wide band

Since the Ka-band Wideband Global Satcom (WGS) satellite is now in service, GBS has added WGS to its broadcast network.

Direction of arrival (DOA) estimation is one of the key technologies of ultra-wideband (UWB) location.

While wideband speech coding technology improves the speech intelligibility and naturalness, telecommunication systems have to be modified.

Ultra-wideband (UWB) radar is already used to "see" through walls.

The invention can be used for executing digitization sampling processing to the super-wideband signal.

with the rapid development of micro - electronics devices , ultra - wideband technology has begun to be applied in civil areas.

Ultra-wideband (UWB) technology is considered as one of the most promising candidates for short-range wireless communications.

The last part of the dissertation proposes a post- time-reversed MIMO ultra-wideband wireless transmission scheme.

Especially, the transformers that are used in telecom and wideband networks act as an important part and become a pith of parts.

Each MUOS satellite features two payloads -- a wideband code division multiple access (WCDMA) payload and a legacy UHF payload.

This dissertation mainly studies the compressive sensing technology and its application in spectrum sensing for wideband cognitive radio.

However, the application of wideband chaotic signal is limited owing to the difficulty of its generating and correlation processing.

facility to transmit many relatively narrow-bandwidth signals by subdividing the frequency spectrum used in the wideband channel .

With urged demand on the digital, wideband, personal and mobile communication, OFDM has become one of the hottest topics in this field.

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

The impedance matching and the noise matching must be considered when designing a wideband low noise amplifier(LNA).

Not only the low SNR and wideband signals can be estimated accurately, but the coherent signals can also be processed by this scheme.

A system, method and computer-readable medium for reducing the required throughput in an ultra-wideband system is provided.

The wideband video information may be luminance information; and the narrowband video information chrominance information.

Directional wideband interference severely affects the detection of a faraway ship.

Aspects include methods and apparatuses for communicating in an ultra-wideband transmission.

Trajectory deviation of the aircraft is the main cause of phase errors in airborne Ultra-wideband Synthetic Aperture Radar (UWB SAR).

Th e simulation shows the results is correct and can be used to design and optimize the whole digital wideband DF system.

A wideband amplifier is required in a analog front end that provides a flat gain transfer within the bandwidth.

Abstract: We developed a real-time wideband speech codec adopting a wavelet packet based methodology.

Comments: The Wideband Global SATCOM 2 spacecraft is part of a military mission to serve U. S. forces deployed in Iraq and Afghanistan.

The multiple-access capability of the receiver is investigated using ultra-wideband (UWB) impulse signal with the given data rate and BER.

An ultra-wideband quadrature demodulation receiver signal acquisition system for the purpose of object recognition is designed.

An ultra-wideband quadrature demodulation receiver data acquisition system is designed for the purpose of UWB signal processing .

A new algorithm for the 2-D direction of arrival (DOA) estimation of wideband coherent cyclostationarity signals was proposed.

Unlike programs like AEHF or T-SAT, however, WGS offers wideband communications that are 'unprotected' against jamming and nuclear effects.

Then, the algorithm is extended to multiple frequencies and wideband cases. The wideband electromagnetic DORT imaging technique is proposed.

The DR-Series systems provide acquisition and storage solutions specifically tailored for real-time wideband data recording applications.

Wideband Code Division Multiple Access, or W-CDMA, is a cellular network supporting a wide range of voice, video and data services.

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

We developed a real-time wideband speech codec adopting a wavelet packet based methodology.

TSAT is the military's next-generation, protected, wideband satellite communications system for military and intelligence users.

The DOA should be estimated by the method for wideband signals, i. e. , the different frequency should be gathered.

With its high resolution, ultra-wideband radar has become a new tool of target detection.

High range resolution needs wide-band signals. Most reported research into wideband signal adopts stepped chirp using single transmitter.

Wideband speech enhancement is widely used to improve speech quality.

The key technique in Ultra- wideband (UWB) communication system, namely technique of UWB pulse signal detection and receiving, is discussed.

And finally the detection performance of wideband phased array radar with the different signal processing method is discussed in this paper.

Wideband-high-resolution SAR background clutters affect the target detection and classification seriously.

This paper presents beat and random equivalent sampling techniques to solve the data acquisition of high frequency wideband period signal.

Laser processing machine, wideband polygon mirror for heating treatment power feeder, industrial application for laser processing.

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

Ultra Wideband impulse radio (UWB-IR), a promising and novel radio technology, has a broad application prospect in wireless communication.

A weighting function iteration algorithm used in beam pattern synthesis for wideband array based on adaptive iteration theory was presented.

The software upgrade expands the size of a single wideband tactical radio sub-network to 30 individual nodes.

An algorithm of localization for multiple wideband sources by the use of data fusion of the multiple arrays is investigated in this paper.

In future mobile communication system, the high transmission rate determines the choice of wideband transmission.

In this dissertation, some contribution had done as listed: 1. The basic theory of wideband signal processing is discussed and presented.

Rapid timing acquisition constitutes a major challenge in realizing the Ultra Wideband (UWB) technology.

Hopping sequence is the source to realize ultra-wideband impulse radio multiple-access communication.

The dissertation is focused on the modeling and simulating of the ground and sea clutter of Wideband radar.

The law of 2D scanning beam-pointing drift wideband working plane phased array is revealed in this paper.

The Army will receive additional wideband tactical satellite radio systems from Harris Corp. under a new order valued at $150 million.

One is adjusting the missile trajectory, the other is adopting wideband HRR seeker to identify real target or image target.

This paper discusses several questions about the information processing technology of Ultra-WideBand SAR ( UWB-SAR).

The favorable testing result indicated the C-band wideband signal generation system is efficiency.

As an effective digital modulation scheme, OFDM is widely used in wideband digital communication systems, such as DVB-T.

In the following part, the coupling of Ultra Wideband (UWB) pulse entering cylindrical cavity connecting slot is simulated and analyzed.

However, the strong effect of nonlinearity limits its application to wideband digital receivers.

Therefore, the combination of MIMO and OFDM has been the important technique of wideband wireless communication system.

Softswitch is a technique that can supply next-generation packet communications including speech, wideband and wireless networks.

The wideband antenna can have low dielectric losses while maintaining a multi-octave bandwidth.

A band-notched ultra-wideband slot antenna with controllable notched bandwidth is presented.

With the rapid development of communication technique, the speech coding is gradually updating from narrow band to wideband.

Research on UWB(Ultra-Wideband) ground echo provides simulation supports for designs of UWB devices.

At the same time, the wideband communication and the Internet popularization enormously promoted the digital media content development.

In this case, the limited frequency range leads to restricted speech quality compared to wideband speech.

The practical RFI and speckle noise suppression techniques for ultra-wideband SAR are proposed.

A novel algorithm of subsample TDE suitable for wideband signals is presented to improve the accuracy.

An energy detection based impulse radio ultra - wideband ( IR- UWB) system is proposed in this paper.

The detection performance of spectrum is also simulated. This approach can find spectrum holes in wideband r. . .

Thcre are large differences between ultra wideband radar and conventional radar. lt is desired to model ultra-wideband radar system.

This paper presents a new wideband digital beamforming method using subarrays and Linear Frequency Modulation (LFM) signal.

Simulation of inductor is carried out and the equivalent parameters are extracted with a wideband equivalent circuit model of inductor.

The researches are mainly focus on aspects as follows: miniaturization, wideband, multi-band.

This paper analyzes the digital down conversion(DDC) of wideband reconnaissance receiver IF digital signal based on polyphase filtering.

Wideband phased array radar is an important radar system.

The Intersil HA-2539 represents the ultimate in high slew rate, wideband, monolithic operational amplifiers.

Recently, with the development of the ultra-wideband radio, impulse radio(IR) system have been paid much attention during these years.

Based on the idea of frequency invariant, a wideband adaptive antenna array is proposed for wideband wireless communication system.

The numerical simulations and some discussions about applying the transmission diversity to 3G wideband mobile communication are also made.

Wideband signal generation is a key technique in modern radar system design.

Linear frequency modulation (LFM) interferences may be a kind of preferred wideband interferences in spread-spectrum.

GSM's 3G counterpart, Wideband Code Division Multiple Access (WCDMA), offers much higher data speeds.

The wideband monopole antenna with parasitic monopoles is a kind of simple-structure and easy-feed wideband antenna.

Wideband signals are widely used in radar, navigation, satellite communications and so on.

In addition, coupled-resonator filters are also utilized for implementing a wideband diplexer and two triplexers, respectively.

A wideband dipole with a novel wideband balun operating in 3.

The HA-5033 is a unity gain monolithic IC designed for any application requiring a fast, wideband buffer.

This paper introduces the method on how to use wideband radar analyzer to do vector analysis of radar signal.

MM1382 is a wideband video amp system with OSD input, developed for use in high resolution RGB monitors.

In section IE . a method of simulating ultra wideband sea clutter. . .

This paper proposes a technique to design wideband digitized receiver based on polyphase filtering.

Presently, Asymmetric Digital Subscriber Line (ADSL) wideband technique is paid attention to extremely.

A new simulation model based on Rice's sum of sinusoids is proposed for frequency hopping wideband Rayleigh fading channels.

In order to realize wideband filtering properties of frequency selective surface (FSS), FSS of closely packed elements is presented.

As the advance of the technology, Sigma-Delta ADC will be used in the wideband field, such as the digital video process.

The flat lower fuselage is optimal for all aspect wideband stealth.

The bandwidth of wideband antenna is discussed.

The design has so many virtues, such as structure simple ness, high precision, high-speed, wideband, low lost and can be integrated.

The approach of wideband robust adaptive beamforming (RABF) for speech enhancement based on micro-phone arrays was investigated.

Thirdly, a new design wideband core quadrifilar helix antenna is presented.

With wideband transmission signal, the HRRP in a bistatic radar system is greatly different from the HRRP in a static radar.

Now US wideband global satcom(WGS) is the best advanced military communications satellite in America.

However, the audio coding technology for ultra wideband mostly uses perceptual coding which is based on the psychoacoustic model.

Wideband Ambiguity Function (WAF) is the powerful tool to analyze the wideband signal, and it is also coherent to CWT.

based on UWB radio code, Chapter VIII, ultra- wideband channel and receiver.

The J-20 flat lower fuselage is optimal for all aspect wideband stealth, and emulates the F-22 design closely.

The Millimeter wave radiometer, which is a kind of wideband radio receivers, works on the millimeter wave.

This is the day that China Unicom will launch China's first Wideband Code Division Multiple Access (WCDMA) 3G network.

And the invention can make detailed, accurate and complete test for multicast service of wideband access equipment.

The method to calculate wideband electromagnetic scattering of complex electrically large targets has been in urgent demand.

So wideband digital speech communication with high quality becomes more and more desired.

At the same time, a wideband model is put forward. 3.

With the development of multimedia and wideband technology, video decoder will get more and more widely used.

Is your home equipped with necessary Internet facilities(such as wideband)?

Now in the area of wideband digital speech communication, G. 722 standard which was approved by CCITT in 1988 becomes more and more popular.

Study of the wideband electromagnetic coupling method used to detect partial discharge in XLPE power cables

Design of a wideband chirp source used for airborne synthetic aperture radar

Study of the Interference Mitigation for Ultra-wideband Communication Systems

Underwater Experiments Analysis of Wideband Signal High-Resolution Direction of Arrival Methods

Series and products of high frequency wideband amplifiers for hybrid integrated circuits used in cabled distribution systems

Study of A Planar Equiangular Spiral Antenna and the Relevant Wideband Balun

A Simple and Reliable Scheme for High-speed Wideband Lock Protection Circuit in Mixing PLL and its Engineering Design

Design of Wideband Frequency Seeking Method of a Pulse Doppler Radar Simulator in a Missile

Design of a novel ultra-wideband microstrip quasi-horn antenna using wedge-shaped dielectric substrate

Wideband Access Technology for Intelligent Residential Communities or Intelligent Building Systems

Design of a Useful Wideband Demodulation Logarithmic Amplifier

Study of Wideband Circular Polarized Spherical Helical Antennas

Theoretical Study of Propagation of Ultra-wideband THz pulse in Random Scattering Media

An Estimation Algorithm for the Arrival Direction of Wideband Signal

Numerical research of flat wideband supercontinuum generation in anomalous dispersion-flattened fibers

Study on Amplitude and Phase Errors of a Wideband Monopulse Radar and Their Correction

Generation of Chaotic Wideband Signal and its Application in Vehicle Collision Warning Radar

CMOS Implementation of a Wideband Low Phase Noise PLL Frequency Synthesizer

Absorption coefficient of thin-film material affection optical coating wideband monitoring technology

New signal subspace direction-of-arrival estimator for wideband sources

Ultra-Wideband Wireless Communication Network Structured by Ad Hoc and Its Key Technologies

Study on the Joint Time-Frequency Characteristics of the Ultra-Wideband Partial Discharge Signals of the Generator Bars

The Application of Direct-Down-Convention Wideband Orthogonal Demodulation Technique in the Software Radio Palmtop Platform

Study of wideband transmitting beamforming on thinning array

Design of a Dual-polarized Micro Strip Array Antenna at Ku Band with Wideband and High Isolation

Cabled distribution systems for television and sound signals - Passive wideband equipment for coaxial cable networks

Ultra-Wideband Communications Fundamentals and Applications

Recommended Minimum Performance Standards for Dual-Mode Wideband Spread Spectrum Cellular Mobile Stations

Experimental System of a Wideband Optically Controlled Phased Array Antenna

Determination of the film refractive index in real time monitoring for wideband thin-film thickness monitoring

Novel wideband RF-IF circuit realization for a sampling frequency down converter

Design of a wideband high-resolution frequency synthesizer

Development, State-of-the-art and Applications of Ultra-Wideband Radar

On Improving Feature Extraction and Identification of Underwater Wideband Echo with Orthogonal Wavelet Packet

Study of wideband microstrip transmission line baluns

Wideband characteristics of hemispherical helical antennas

Improvement of Channel Estimation Using Regression Algorithm for Wideband Code Division Multiple Access

Outline Introduction of Ultra Wideband Wireless Communication Technology

Study on Dynamic Orthogonal Codes Assignment in Wideband Code Division Multiple Access Communication Systems

Ultra-Wideband Pulse Design Approach for Multiple Narrowband Interference Suppression

The Overall Electromagnetic Compatibility Design of High Frequency Wideband Amplifier

Study on Received Signal-level Characteristics in Wideband Transmissions in Mobile Communications

Application of Multi-user Detection Techniques to Ultra-Wideband Multiple Access Communication Systems

A Frequency Synthesizer of Digital Phase-locked Loop with Programmable-control and Wideband Exchanging Frequency

Mobile Station-Base Station Compatibility Standard for Wideband Spread Spectrum Cellular Systems

The Construction of Guangzhou Telecom Wideband Information Network and Management Strategy

Narrowband interference suppression algorithms in ultra-wideband system

Research on background noise control and operation technology of thin-film thickness wideband monitoring system

Full-wave analysis and design of a wideband cylindrically conformal microstrip antenna

Experimental Research of an Ultra-wideband Nested Coaxial Waveguide Feed

Ultra-Wideband Communication System and Its Realization

Overviews on high performance fault protection switches in Wideband Networks transmission

The Scale Parameter Analyse of Alternative Wavelet Transform in Wideband Signal Parameter Estimation

IPTV: the Next Generation New Hotspot of Wideband Network

Wideband source localization using distributed acoustic vector sensors

three novel ultra - wideband monolithic phase shifters with suitable different control signals

Direction of Arrival Estimation for Wideband Sources Based on Time-Frequency Signal Representation

Wideband Adaptive Antenna Sidelobe Cancellation via Exploitation of Subband Filter Banks

Application of wavelet transform and neural network to the classification of underwater wideband echo

Space-Time Adaptive Processing Technique for GPS Wideband Interference Suppression

Some Methods about Wideband Technology of Circularly Polarized Microstrip Antennas

Noise Ultra-wideband Imaging Radar Technology and its Development

Study on Time-Domain and Frequency-Domain Characteristics of Partial Discharge and Interfere Signal in Ultra-Wideband

Recommended Minimum Performance Standards for Base Stations Supporting Dual-Mode Wideband Spread Spectrum Celluar Mobile Stations

An Ultra-wideband Wireless Communication System Employing Cyclic Prefix and Pulse Modulations

Performance Analysis for Estimating Type Parameter of Scattering Centers on Wideband Radar Targets

Information Rate, Service Quality and System Capacity of Wideband Code Division Multiple Access Systems

Design of signal acquisition system for ultra-wideband quadrature demodulation receiver

Approach on Wideband Intelligent Network and Its Technology

Linearity Measurement Method for Ultra-wideband Linear Frequency Modulated Signal

Ultra-wideband printed antennas for communication applications

Simulation and Implementation of Wideband Microwave Correlator

Research on Novel Ultra-Wideband Correlation Receiver of Averaged Transmitted-Reference Type

The design and application of an automatic irrigation control system based on fuzzy control and wireless wideband communication

Wideband Direction of Arrival Estimation Based on Spatial Time-Frequency Distribution

Wideband Receiver Frequency Design for Avoiding the Interfere of Combination Frequency

Design and analysis of a compact planar ultra-wideband antenna

Simulation and Design of a Pulse Generator for Ultra-wideband Fuze

Robust wideband high-resolution direction of arrival estimation based on spatial smoothing

Doppler effect analysis and processing for wideband linear frequency modulated radar signal

A novel transmission diversity scheme for impulse radio ultra-wideband communication system

The System of the Wideband Monitoring of Optical Film Thickness

Correction of the estimate function in thin-film thickness wideband monitoring

Cable networks for television signals, sound signals and interactive services - Part 3: Active wideband equipment for coaxial cable networks

Study of Dechirp Pulse Compression Processing Method for Wideband Signals

An Efficient Implementation Architecture for Wideband Digital Downconversion

Improving Dynamic Range of Digital Wideband Receiver Using Error Compensation

The Framework and Key Techniques of Cognitive Ultra Wideband Wireless Communication System

Application Prospect of Comprehensive Information Putting on Network with Wideband in Coal Mine

Design and Implementation of Digital Beamformer for Wideband Constant Beamwidth

Analysis of Adaptive Sidelobe Cancellation of Wideband Interference

Frequency Compensation Techniques in Wideband Smart Antenna Systems

Compact frequency notched ultra-wideband antenna for multiple application

Narrowband Interference Analysis and Suppression in Ultra-wideband System

Study of Ultra-wideband Transmission System

The Application of RBF Neural Network in Material Recognition of Ultra-Wideband Ground-Penetrating Radar

Group Management System of Wideband Plug - in Equipment and Its Implementation

Performance of Ultra - Wideband Communication in the Presence of Multi - Band Interference

Application of digital filter in optical coating signal monitoring with wideband spectrum

Experimental study on time domain wideband beamforming with constant beamwidth

Wideband ASE noise spectrum numerical model of semiconductor optical amplifier

Simulation and Assessment of Ballistic Target Recognition Using Wideband Radar

Cabled distribution systems for television and sound signals - Part 4: Passive coaxial wideband distribution equipment

Updated progress in ultra-wideband radio communications technology

Wideband Radio Signal Reconnoitering Receiver with High Resolution

Direction finding of wideband radar signal utilizing narrowband receiver

Research on Ultra-wideband Radio Detection Waveform Synthesis Technology

Selecting an Arbitrary Waveform Generator for Wideband Signal Simulation

Automatic target recognition for ultra-wideband ground-penetrating radar

Research on the Improved Methods of Wideband Signal-Subspace Spatial-Spectrum Estimation

Optimal Design of Antireflection Coating for Flat and Wideband Incoherent Optical Sources Based on a Semiconductor Optical Amplifier

Cabled distribution systems for television and sound signals - Part 3: Active coaxial wideband distribution equipment

Investigation of Ultra-Wideband Microwave Generation Based on Photoconductive Semiconductor Switches

Physical analysis and wavelet transform representation of wideband echo model

Fingerprint Analyzing Method of Ultra-wideband Partial Discharge Time-domain Waveform

Frequency-adjustable Ultra Wideband Monopole Antenna with CPW-fed and Partial Circular Patch

A Novel Implementation Architecture for Wideband Digital Down-Converter

Recently Applications of Ultra Wideband Radar and Communication Systems

The construction of wideband integrated with HFC of intelligent residence district

Comparison of Performance Improved by Modulation and Coding for Ultra-wideband Receiver

An algorithm for blind channel estimation in an ultra-wideband communication system based on FFT transform

The Technology of Pulse Generator of An Ultra Wideband Through Wall Radar

Optimized design of HF wideband antenna and its matching network

The Structural Design of an Ultra-wideband Radar Transmitter

Frequency Response-masking Technique: A New Efficient Wideband Sharp FIR Filter Design Method

Method of wideband polarization radar target recognition using fuzzy matched filters

A CPLD- based Intelligent Elimination Technique for Edge Trembling of Wideband Signals

Technology of Accessing Internet with Narrowband and Wideband Networks