antenna

"Gripping any phone will result in some attenuation of its antenna performance, depending on the placement of the antennas, " he said.

'I didn't know I was actually going to be seeing the bugs, ' she said. 'The antennas. The shells. '

All this is not to say that the next IMF managing director should be someone without political antennas.

Recently, uniplanar antennas have been used in many applications in millimeter-wave systems.

Television stations said if the antennas burned broadcast signals would be affected but satellite and cable transmissions would not be.

Receiving antennas intercept part of this radiation, change it back to the form of electrical signals, and feed it to a receiver.

Smart antennas, Mr Cooper believes, will help to ensure that this progress continues, and his law continues to hold.

Researchers should also analyze the different types of antennas for the amount of RF energy they deliver to different parts of the body.

And with most antennas, the density and composition of the human hand can cause attenuation to a greater degree than some other materials.

The tube feet may appear like two antennas, while the other tube feet are arranged in a row around the rim at the bottom.

The antennas are highly directional, allowing duplicate frequencies to be used for multiple surface zones.

The network use antennas aided by relays in places where they cannot be stationed in direct line of sight of one another.

As far as practicable , all cables between antennas and transmitters are to be routed off any other cable.

Manufacturers need to swap out parts like chip sets and antennas and might have to re-engineer circuit boards.

The asteroid named 2005 YU55 is being watched by ground antennas as it approaches from the direction of the sun.

The mutual coupling in the array antennas is a key question that must be considered in the analysis of array antennas and design for it.

Even the fruit beetle isn't strong enough to carry much besides the electrodes and radio antennas that steer it.

The study of two-dimensional planar arrays adaptive digital beam-forming system will be one of the focuses of digitization array antennas.

The specific purpose of these antennas is unknown but they are thought to be for electronic countermeasures purpose.

Electrically small antennas are a critical enabling technology for a variety of wireless applications.

In the earlier years, all cellular phones shipped with external antennas that stuck out in aesthetically unpleasing ways.

Many of these devices now have internal antennas which in contrast to external antennas, are installed within the housing of the devices.

FPGA-based implementation of LMS algorithm is one of the key techniques in the application of adaptive array antennas.

Receive antennas are very sensitive to the electric field component parallel to the long axis.

Energy source provided for sensors, processors and antennas is usually battery cell, which is impossible to recharge during WSNs work.

'Phone differentiation used to be about radios and antennas and things like that, ' Mr. Jobs said.

WARNING ! Roof top antennas of any sort should have lightning protection .

The microwave antennas are usually equipped in higher place in order to achieve better transmission effect.

Can be used for positioning, holding or handing inspection equipment, indicator gauges, lamps, antennas and more.

The main antennas are located near the flat plastic plates on the top and bottom of the phone, as seen in the second and third pictures.

The accessories are extra operas as well as bananas in a cinema nearby. The zebra in this era get attracted by the antennas outside.

You can still see the antennas for the early air-to-surface radar below the side cockpit window, as well as under the rear fuselage.

In SDMA, also known as SDM (spatial-division multiplex), satellite dish antennas transmit signals to numerous zones on the earth's surface.

At the present time, phased array antennas have already become the main development direction of radar antennas.

An arbitrary set of antennas can constitute a virtual cell for a certain mobile user.

The whole body is cast by aluminum alloy. The surface textures, lights, antennas radars, petroleum pipelines are all made in detail.

Battery-powered radios with short antennas generally would not be affected.

In the beginning, some people secretly tuned into broadcasts from North Point on their parabolic antennas.

Billboard Antenna is an array of parallel dipole antennas with flat reflectors, usually positioned in a line or plane.

Antennas are widely available from a number of sources, and come in a variety of sizes and configurations.

In this dissertation a new category of ultra- wideband (UWB) planar antennas with a unique tapered-slot feeding structure is presented.

Some home routers may have no visible antennas, but carry multiple antennas embedded in the case.

Wireless alternatives avoid the cost of digging up streets but require technicians to mount and carefully orient dish antennas.

In a conventional system, 20 channels and 20 antennas would be necessary to maintain channel separation.

Mobile phones communicate by transmitting radio waves through a network of fixed antennas called base stations.

Anshan City Antenna Technology Research Institute Co. , Ltd is specialized in production of the broadcasting transmitting antennas.

TELECOMMUNICATION AND ELECTRONIC EQUIPMENT. COAXIAL CABLES FOR INDIVIDUAL OR CENTRAL BROADCASTING RECEPTION ANTENNAS.

Depending up the thinking, two UWB antennas with compact sizes have been designed.

Beamforming is a type of RF (radio frequency) management in which an access point uses multiple antennas to send out the same signal.

With an app called Antennas in the Android Market, you can see on a map where the towers your phone can see are located.

Lowcost, higher frequency and scalability are the main impetuses tot he development of phased array antennas integration technology.

This paper mainly describes the multi-beam antennas used in several satellites abroad and gives some application examples.

Nearby healthy cells without the "antennas" would not be affected.

Paraboloidal reflector antennas with an arbitrarily-defocused feed are investigated. And some interesting phenomena are observed.

Methods RFID system was used in combination with series antennas separated in space in combat readiness medicine cabinet.

The antennas beam into the outer-atmosphere using a set of wireless high frequency transmitters.

And with the popularity of satellite TV, portable radios , cell phones and wireless gadgets, more antennas are in use today than ever.

This model was not only portable (it even came with a handle), but it did away with the outdated-looking "rabbit ear" antennas.

Early satellites required ground-station antennas the size of a small house.

more often, antennas are added to existing utility poles, church steeples or other structures.

Other antennas are not required to annex and can be installed on the communications tower on (we use the antenna installation see below)?

Currently mesh reflector antennas are utilized onboard the spacecraft for satellite communications, remote sensing and VLBI applications.

This method can be used in the wireless communication systems with multiple antennas which have feedback channel.

She had to rearrange her furniture and move her home office away from the antennas.

The radiation is akin to that used to transmit TV signals via antennas.

To improve the directivity and gain, the four units of plate end-fire antennas are arranged in the direction of end-fire.

secondly , analysis and optimization of the antennas have been done utilizing em software.

Sometimes, your hand can short-circuit the two antennas, hurting data performance, as well as leading to dropped calls.

Although RFID tags vary in size from a postcard to a rice grain, they all rely on built-in antennas, along with logic and memory circuits.

We need more sensitive antennas. We are not picking up the faint signals of discouragement, concealed anger or fear of failure.

TITe are not extra operas as good as bananas in a cinema nearby. The zebra in the era get attracted by the antennas away side.

Above ground, scattered across manicured lawns, are about a dozen buildings bristling with antennas and microwave relay systems.

the two parallel 60 km long antennas is not the antenna at all, but the feedline.

Antenna . Identifies whether the vendor designs or manufactures reader antennas.

The algorithms in flat fading MIMO systems can be directly used in wideband correlated MIMO case based on virtual antennas idea.

Radar sets generally employ large antennas to produce narrow beams in much the same way as a search-light reflector.

The mutual coupling among the antenna array elements is a factor which couldn't be neglected in advanced array antennas.

These antennas are more rugged than they appear, suffering damage only when loused into huge waves during typhoons, or in combat.

Meanwhile, we regard coherent excited strong coupled antennas like CFA, EH, as "unconventional" electrically small antennas.

Non-shielded power cords may act as antennas. Thus, external interference fields have effects on the frequencies of the signals.

I also have two antennas on the bottom of my wing.

The contract also included accessory equipment consisting of batteries, vehicle antennas, manpack antennas and mounts.

Highly sensitive antennas along the border between South and North Korea pick up electronic signals.

The essence is users in a group shares their antennas and resource through distributed process and transmision to form a "virtual array" .

Allocation of antennas and subcarriers is one of most important issue for multiuser MIMO-OFDM system radio resource management.

It has a very nice handle for easy transportation and two antennas in plastic that can be easily put up.

Photosynthesis starts when large light-harvesting structures called antennas capture photons.

They found that in the areas of the brain closest to the phone antennas, glucose metabolism increased by seven percent.

Both of the antennas achieve the miniaturization and satisfy the FCC requirements of ultra-wideband standard.

In conventional antenna systems, individual antennas each transmit on different frequencies.

Once the antennas are shut down at night, our people are like the blind.

However, due to the size of a mobile and carrier frequency constraints, multiple antennas can not be possibly implemented.

roofs bristling with antennas; housetops bristling with chimneys; a riverbank bristling with factories.

Some internal antennas are formed by a plated conductor on a substantially flat circuit board.

Equipment produced will include Transmission Subsystem radios, modems, antennas and mast systems.

From simulation and experimentation results, it is found that CPW-fed inductive slot helps radiate fields of the dual monopole antennas.

Coordinate transformation approach is introduced to manipulate the directivity of antennas.

First of all, the paper introduces the significance and status of high-voltage transmission systems for the antennas.

The system is implemented as decentralized in a way that the device (300) has a plurality of separate antennas (310-360).

When the brain sends an electrical nerve impulse to these antennas, the electrode activates the prosthetic arm or hand to move accordingly.

In this paper, a simple bandwidth enhancement method for low profile E-shaped patch antennas is presented.

Antennas also intercept such waves and convert them back into currents and voltages that can be processed by a receiver.

This had all the electrical properties that antennas need to function, but was much more flexible than its copper equivalent.

Rebel trucks carried new communications equipment, including tall, roof-mounted radio antennas.

In this paper, through approach of various band-rejected UWB planar monopole antennas, principles and methods are researched.

Two enormous, custom-built, 28-wheel heavy transporter vehicles will be used to move the antennas to give the array some reconfigurability.

In Germany, flags fluttered from balconies and car antennas across the country.

This technology uses antennas of other users as relays in wireless networks to achieve space diversity and full diversity gain.

Antennas for mobile communication terminals play an important role in mobile communication systems.

Full 360 degree coverage can be achieved either by adding more antennas or by placing the radar on a positioner.

Access near base station antennas is restricted where RF signals may exceed international exposure limits.

Accurate CAD Formulas of Circuit Components and Antennas in Microstrip from a Bootstrapped Fuzzy EM Series.

cell phones: (Wireless telephones are) hand-held phones with built-in antennas, often called cell, mobile, or PCS phones.

The near-axis field distribution of circular aperture antennas is obtained by numeric integration method.

Finally raising some preliminary ideas to select the appearance fo the radar seeker antennas taking into account RCS.

A mountain range bristling with antennas harbors a maze of bombproof underground arsenals and shelters served by a tunnel 4km long.

This provides a theoretical basis for the engineering design of fuze dielectric rod antennas.

Antennas are the necessary components in the modern wireless systems.

In the thesis, two types of designs of dual-polarized aperture-coupled microstrip antennas are proposed.

It is concluded from the results of this thesis that, planar slot antennas are fit for broadband working.

The software will be sent to the EPOXI computers using powerful antennas at three bases in California, Canberra and Madrid.

In this paper, a kind of cylindrical EBG structures applied to base station cylindrical conformal dipole array antennas is studied.

The research presented in this paper has a good reference value for the design of planar high gain antennas.

These antennas are commonly used at earth-based stations in satellite communications systems.

To improve range and speed, MIMO uses two radios and three antennas on a wireless router or client adapter.

In chapter IV, two novel wide-slot antennas fed by CPW and Microstrip line have been designed.

Many scientists and engineers focus on how to achieve better performance at lower frequency on microstrip antennas in a small area.

They have put radio collars on many of them, and long antennas were visible on a few of the birds.

A hybrid genetic algorithm is presented for optimization of array antennas shaped-beam patterns.

Telecom: Antennas, microwave amplifier devices, etc.

The researchers' design uses two transmitting antennas, one receiving antenna at each node.

Microstrip antennas is especially suited for conformal applications because of its characteristic.

Today, the tower on the addition of radio and television antennas, and its total height reached 320 meters.

A method and system for transmitting and receiving data using a plurality of antennas are disclosed.

The HAARP transmitter and antenna array is complete with all of the originally planned 180 antennas installed.

Low power emission. Beam Steering Smart Antennas direct power to active mobile terminals only.

Recent development of modern wireless and mobile communication has evoked increasing demands for novel antennas.

Due to fewer antennas, cell phones in rural areas need to emit more radiation to communicate effectively.

Put your antennas up and keep them live, or you'll be stabbed on the back without knowing why.

Such nanotubes could form antennas that capture and focus light energy, potentially allowing much smaller and more powerful solar arrays.

The universal formulas of PVM with the consideration of polarization of receiving antennas are derived based on the electromagnetic theory.

Phased array antennas are widely employed in radar, communication and weather field etc.

The effect of the cavity on the antennas and the interaction of the two antennas are studied through experiments.

These antennas could be used in the satellite navigation system.

In the background are the antennas of Strykers armored vehicle.

In northern California, the SETI Institute has already begun constructing an array composed of individual 6-meter antennas.

This dissertation mainly researches the ultra-wide band planar slot antennas.

In this paper, pattern reconfigurable antennas for mobile terminals application are researched.

An EMP can seriously damage electronic devices connected to power sources or antennas.

The important parameters for rectangularpatch antennas are dielectric constant and area.

"We had television, to the extent that we had crappy antennas and we were underground, " said Morris.

In this text, the writer introduced the concept and principle of smart antennas and the improvisation on the communication perfo. . .

It also can be used in many situations, such as masts and antenna bases, and also contribute to reducing coupling between antennas.

This phase consisted in equipping all the 180 antennas with high frequency transmitters.

A new method of measuring small antenna is presented, which can measure a mass of terminal antennas every last.

Patch antennas produce hemispherical coverage, spreading away from the mount point at a width of 30 to 180 degrees.

Symbols are then mapped to subcarriers and transmitted via antennas.

To begin tearing the device apart, we detached the two antennas from their screw-in mounts on the transmitter-receiver module.

Such frequencies are best suited for measuring antennas or similar.

Antenna is the most important component in wireless communication systems. Different antennas are required for different systems.

Inside the enclosure are six thick pipes -- the antennas -- with smaller, more intricate boxes attached to them.

Such antennas mainly include radiation part and the coupling part of feed.

There are debris shields for the Zvezda service module, and antennas for the S-Band communication system.

Adjust the antennas of the TV to see if we can get rid of the snow on this channel.

TV stations set up antennas and broadcast radio signals to individual communities.

In order to simplify the layout of receiving antennas, long and short diagonals are optimized, a simple quadrate model is educed.

Replaceable antennas: If you have longer range requirements, consider a router with external, replaceable antennas.

In transmitting antennas it is best to have the natural wavelength slightly above desirable wavelength.

Steve's showing a picture of the room where they test their antennas. It looks like a Yes album cover.

Unlike standard antennas, the 1hT can form multiple beams easily and survey hundreds of stars at once.

As the development of satellite positioning systems, more researches on wide-beam circularly polarization antennas are done.

Based on this numerical method, several practical short wave antennas excited by UWB EMPs are investigated.

Microstrip antennas are structured by patches printed on substrate which is added with ground plane.

Furthermore, UHF antennas are smaller than VHF antennas; this is due to the shorter wavelengths.

The wi-fi antennas pop up from the top and look like rabbit ears.

the conclusions based on the present analysis are of practical significance for the design of these kinds of leaky wave antennas.

The device can be used, for example, in electromechanical transducers of sonar antennas.

Results show that MC-CDMA system with array antennas has the best performance because of frequency diversity and space diversity.

Some blame the design of the phone's radios and antennas.

In radio communications, a center consisting of one or more transmitters and associated antennas.

Antennas are fixed to the rails of the balcony.

basic schemes for EM parameter probing by using dipole antennas.

Electrodesplaceplaced on the muscles act as antennas.

The use of their "reciprocity" in the array antennas is illuminated.

The antennas are located at suitable places in the device.

Does the car have a superior GPS receiver (perhaps due to better antennas or antenna placement)?

Radio astronomy today is armed with the largest antennas in the world.

In the process of antennas design , it is necessary to measure the far-field character of antennas .

The Method of Moment (MoM) is used first for calculating the input impedance of microstrip patch antennas fed by microstrip line.

Because of using orthogonal antennas, it receives signal which from all-round is strongest intensity.

Fix the antennas on the outdoor walls or windows.

According to the agency, most of the data from the spacecraft is arriving to Earth via 110-ft. antennas.

Please pull out 3 pcs of antennas when the cellular phone immobilizer operating.

One word of warning, however: Low-band DX antennas by definition have a low angle of radiation.

These are the individual antennas of the Allen telescope array.

The use of smart antennas can reduce or eliminate the trouble caused by multipath wave propagation.

There are also some computerized cracking devices with built-in antennas on the market, like WifiRobin ($156).

Multiple antennas: You'll want an 802. 11n router with two antennas at a minimum.

AIS's E2, E2A, and E3 had solar array elements, radio complex antennas, and gas micro engines for altitude control on the outer surface.

The array is made up of vertical eight half-wavelength antennas. Changing the feeding port, it can control the beam direction.

There are three trucks on No. 1 deck with window panes broken, mud guards dented and antennas bent.

The algorithm has a very big practical value when the number of transmit antennas is 2, 3 and 4.

The experimental results show slight pulse distortion, with goof fidelity values of 0. 8 to 0. 96 for the two proposed antennas.

Smatr antennas is one of key technology of 3G and 4G.

In addition, multi-frequency technologies of microstrip antennas also attract more and more attention of the experts and scholars.

Based on the implementation of the band-notched technique, three kinds of band-notched UWB slot antennas are proposed.

DRAs (Dielectric Resonator Antennas) have some outstanding merits, such as small size, high efficiency and wide bandwidth.

For example, to the MIMO system with n transmit antennas the number of iterative detection are equal ton.

Antennas didn't open properly.

Boeing will deliver 53 radar antennas between September 2008 and January 2010.

These are powered by a 1200 Kilowatt generator system and include 13 external communication systems operating through 50 antennas .

So far there are some problems about methods of calibrations of antennas, such as near-field coupling and balun effects to tests, etc.

These are TV sets that use antennas to receive free TV signals.

Axial ratio optimizations for two kinds of short helical antennas are carried out.

It is a complicated systems engineering to study space antennas, witch comes down to many science fields and key techniques.

The standard on TD-SCDMA put forward by our country and the smart antennas for mobile communication are minutely described.

Study of Radiation Characteristics and Polarization Characteristics of Dual Corner-fed Microstrip Patch Antennas

A shape design method for satellite antennas with an offset paraboloidal reflector and a single feed

Terminology for telecommunications--Telecommunications using antennas

Hybrid analysis of scattering by microstrip antennas residing in a cavity on an electrically large body

measurement of random electromagnetic fields, angular filtering properties of antennas, interferometers, and aperture synthesis systems;

Electrical Performance Simulation Platform and its Application in Structural Design of Large Reflector Antennas

Analysis of Interference among the Vehicular Communication Antennas by FDTD Method

Analysis of Interference among the Vehicular Communication Antennas near to Ground

Plane-Wave Characterization of Antennas Close to a Planar Interface

Resonance characteristics of high-temperature superconducting microstrip antennas

Current Situation of Intelligent Antennas and Summarization of Its Correlation Technology

An Efficient Approach for Reducing the Side Lobe Levels of Array-Fed Reflector Satellite Shaped-Beam Antennas

series of type - spectrums for parabolic antennas used in microwave relay communication systems

A Study of Smart Antennas Used in the Multiuser Transmission System

Precise algorithm for surface errors of reflector antennas and analysis of its electrical performance

The FDTD Analysis of Two Ultrawideband Bipolar Antennas'Impedance Characteristic

Simulation study on the electromagnetic characteristics of the biconical antennas for finite length and arbitrary

Optimizing Design for the Compensation Circuit of Electrically Small Antennas with Short-Circuited Transmission Line

Implementation of A Far-Field Antennas Automation Measurement System

Error rate performance analysis of a double antennas transmit diversity scheme

Study of Wideband Circular Polarized Spherical Helical Antennas

Investigation of order statistics characteristic of wireless fading channels of multiple transmit antennas selection

A study of techniques for measuring ultra-low-sidelobe antennas by the near-field method

The Resonant Characteristics of Eccentric Circular and Concentric Circular-elliptical Ring Microstrip Antennas

Application of two-potential integral equation into analyzing wire antennas above ground plane

Experimental Study of Broad-Band and Wide-Angle Circularly Polarized Patch Antennas

Analysis of electromagnetic scattering by microstrip fractal patch antennas residing in a cavity

Study of interference nulling using horizontal dipole antennas

Intelligent antennas and its application in Wireless Communication

Study of the shaping reflector for side-fed offset cassegrain antennas

Capacity of a backbone wireless mesh network using directional antennas

Improving the Cross-polarization Characteristics of the Offset Parabolic Reflector Antennas by Higher Mode of the Feed

Study of MPI Based Parallel MoM on PC Clusters for Multiple Antennas Mounted on Complex Platforms

Impedance characteristics and radiation patterns of conformal cylindrical bow-tie microstrip antennas