UHF

A commercially hosted UHF payload was one of the solutions described to mitigate the shortfall in UHF capability.

But, repeatedly, the communicator radioed, "Columbia, Houston, UHF comm check, " as if he might still hear a reply.

Two components (antenna and chip) must be connected together to produce a complete UHF RFID inlay.

Then, by means of the test of UHF data link and error analysis, validate the feasibility, high effect and practicability of this system.

E. T. built his own communicator out of the fuzz buster, some hobby pins, a knife and fork, and the UHF tuner from the TV set. . . E. T.

UHF RFID antenna to roll the supply in the form of a silicon chip with a small RFID.

These frequencies, along with other UHF and VHF parts of the spectrum used by analogue television, are now to be vacated.

Using an one-dimension particle simulation program, we analyze the characteristics of ion noise in a CPI TWT and a UHF klystron.

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

The tag antenna is a key component of RFID systems. Dipole antenna and its modification types are widely used in UHF band.

On this basis, it has a detailed discussion on the testing platform for UHF RFID hardware and software design.

It makes sense of the instruction for the UHF RFID reader's design.

ADT has also installed item-level UHF RFID readers near the cash desks of the center's clothing store.

The research and development on UHF RFID reader and tag are driven by the requirements in application of UHF RFID systems in recent years.

And permanent label than passive UHF tags helps to reduce the indirect cost of maintenance and the workforce.

Although the passive UHF tags than low frequency labels are more susceptible to RF interference.

I don't believe into any groundbreaking revolutions after EPC standards were created and UHF regulations opened UHF band for RFID use.

The partial discharge signals were gathered by a united detective system of UWB method, pulse current method and UHF method.

the partial discharge signals were coupled by UHF sensor, and then the signals were sampled by high speed data acquisition system.

In mountainous areas, UHF radio may not be a viable alternative.

Radio Acoustic Sounding with a UHF Volume Imaging Radar .

The application and popularization of UHF RFID has been limited for years by metallic interference towards ultra-high frequency.

RFID reader other than the device may be in the vicinity of the UHF spectrum or above.

This new technology inserts UHF and HF inlays under die-cut blank or pre-printed labels and validates the finished product.

On the basis of simulation, we connect this antenna to UHF Near-Field RFID Reader to test this antenna, the test result is good.

Ultra-high-frequency (UHF) PD monitoring approach is focused on recent years because of its effectiveness to avoid noises.

Implementation and Validation of Range Imaging on a UHF Radar Wind Profiler.

COM DEV will supply UHF diplexers, switch and filter assemblies, standalone switches and ancillary components.

The USX-800 incorporates a dual antenna UHF receiver with two identical tuners eliminating dropouts and unstable reception.

When UHF broadcasting came along, empty "guard bands" were added to each channel for the same reason.

A universal standard testing platform is designed based on research of the back-scattering mechanism of UHF RFID systems.

Simulation result shows that the circuit is suitable for UHF passive tags.

The investigated module of UHF RFID reader well accords with the design demand.

An on-line monitoring system of ultra-high-frequency (UHF) PD was investigated for transformers in this paper.

However, comparing home with abroad, the design and application of UHF band and RFID systems are still have a great gap.

UHF passive tag has further identification distance and low cost.

The beam forming technique is used in the UHF radio for improving antenna gain and system anti-interception.

Purpose: low noise amplifier at VHF, UHF and CATV band applications.

UHF paper tag also known as RFID Label, because it's mainly attached to non-metallic objects.

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

Data rates as high as 9600 band have been demonstrated on these new UHF channel.

In this paper, using quantum chemical ab initio UHF methods the ground state spins of plane bicarbenes and binitrenes have been studied.

Any aerial that can pick up UHF and VHF signals will receive digital television signals.

An UHF near-field RFID reader antenna is designed.

In March 2010, the Navy submitted a UHF augmentation plan to Congress.

And the UHF method on-line monitoring system of PD in GIS is developed based on this theory.

New radio techniques such as cognitive radio and SDR will be applied to new services in this UHF band.

Radio systems operating in the frequency range from 300 to 1, 000 MHz are classified as UHF (Ultra High Frequency).

Plant Trunked UHF Radio Systems.

This paper also designed three kinds of defect models and built the UHF detection system of partial discharge.

They also emit UHF waves of 225 - 400 MHz.

Study of UHF Frequency Response Characteristics of the Inner Sensor for Partial Discharge Detection in GIS

Infuse expanded Intercommunication System, a UHF relay, and secure commercial satellite communications (INMARSAT) capabilities;

Characterization of UHF radio propagation channels in a long wall face of a coal mine

On-site PD Detection and Localization on Power Transformers by means of UHF-measurements

Experimental Study for Outside Propagation Characteristic of the UHF Signal Emitted by Partial Discharge in Transformers

The frequency range selection for measurement of partial discharge in transformer oil with UHF method and interference suppression

Study of the UHF Shield Resonance Loop Antenna for Detecting PD in GIS

Analysis and Treatment of Common Faults in UHF Automatic Hydrological Data Acquisition and Transmission System

Fuzzy Probability Theory Based Pattern Recognition Method of UHF Partial Discharge Signals in Power Transformers

Partial Discharge Pulse Current Estimation from Its UHF Signal

Time-height evolution of intraseasonal oscillations in the tropical lower atmosphere: Multilevel wind observations using UHF radar

Application of genetic algorithm based neural network in UHF PD pattern recognition of generator stator

UHF Radio Propagation Characteristics in Straight Open-groove Structures

Characterization of wide band UHF Radio Propagation Channels in Tunnel Environments

Application of UHF Partial Discharge Online and Real Time Monitoring System for Preventing GIS Fault in Korea

Theory of the Propagation of UHF Radio Waves in Elliptical Tunnels

An RF Front End of Access Point for UHF Wireless Data Transmission System

Multipath environment measurements at UHF for land mobile satellite service

Study on Preparation of High Magnetic Losses Material in UHF Band and the Permeability Characteristics

Simulation Study on the Application of Frequency Mixing Technique to Detecting UHF PD Signals

Experimental Research of UHF Method for the Detection of Partial Discharge in GIS

Radio Transmission Characteristic of UHF Band in Empty Rectangular Entry

Array processing technique applied in reconnoitring and receiving of UHF

Influences of center frequency and bandwidth on UHF PD detection for transformers

Researches on Adjacent-Channel Rectangular Guide Duplexer for UHF Digital TV and HDTV

UHF Signal External Detection of Partial Discharge in Transformers

Application of neural network in UHF PD pattern recognition of transformers

Application of envelope detection technique to extraction of UHF PD signals

The Calculating Model for UHF Recon's Distance Between Different Conditions

Scheme Selection for UHF Transmitting Antenna-Feeder System

Study on the outer UHF microstrip patch antenna for partial discharge detection in GIS

Research on the UHF Frequency Characteristics of PD in Power Transformers

verification regulation of uhf television sweep scope

computer-controlled duplex UHF mobile telephone

On-Line UHF Partial Discharge Monitoring System for Prevention of Failures in Gas-Insulated Switchgears

The Design of Signal Disposal Cell with UHF Signal Detection for Transformer

UHF Signal Extraction for GIS Partial Discharge Detection

Stepwise Size Optimizing of UHF Microstrip Antennas

The Exploration of Scout UHF Frequency Hopping Signals Scheme

The Exploration of Scout UHF Frequency Hopping Signals Scheme

The UHF Communication Networking Practice in the Border Areas

Novel Dimmable UHF Electronic Ballast without Acoustic Resonance

Partial discharge detection on-line in transformer using UHF

Miniaturization analysis of UHF antenna

Study on External Sensors for UHF Partial Discharge Detection of GIS

Research on UHF passive tags RFID for supply chain management system

Study on the Monitoring Technique of Partial Discharge of GIS by UHF Method

Research on Demodulation Technique for UHF RFID Reader

Application of UHF Method on Detecting Partial Discharge in GIS

On-line Partial Discharge Detect in Power Transformer with UHF

A Power Generation Circuit for UHF Passive Transponder IC

Analog Circuit Design for UHF Passive Transponder IC

Design optimization of UHF antenna sensors

Research on PD Detection in Power Transformers Using UHF

PD detection of gas insulated cables by the UHF method

Study on UHF Method for GIS Partial Discharge Detection

A Novel Ultra Broadband Planar Monopole Antenna for UHF

Analysis of UHF base station coverage examples

Research on PD On-Line Monitoring of Transformer Based on UHF Electromagnetic Wave Measurement

A Back-Scatter Based Universal Testing System for UHF RFID

Partial Discharge Pulse Waveform Estimation of PD Pulse of Point-plate Electrode in Oil Based on UHF Signal

Emulational Study on the Propagation of UHF Signal Emitted by PD in Transformers

New Progress of Wideband and Small-Scaled UHF Antenna

Analysis of Propagation of UHF Radio Waves in Tunnels

The Application of UHF Detection to Partial Discharge in GIS Caused by Fixed Metal Particle

Simulation of PD Location Method in Oil Based on UHF and Ultrasonic Phased Array Receiving Theory

Design of The UHF High-Q CMOS Bandpass Filter

Application of UHF in PD Detection in Generator

Research and Application of PD Test Technology for Power Transformer Based on UHF Method

Used UHF Method DetectingtheInsulation of GIS on Line

Present Situation and Prospects of Applying Composite Insulators to UHF Transmission Lines in China

Design of UHF RFID reader

470 to 890 MHz for UHF Channels 14 through 83