frequency spectrum

Use a frequency synthesizer to be able to produce electron frequency spectrum.

General speaking, The radio monitoring is to frequency spectrum of manage, including assignment of a radio frequency and plan of spectrum.

QAM at a fixed point-to-point digital microwave systems in the wider application, it has a very high frequency spectrum utilization.

This system possesses advantages of good frequency spectrum, high accuracy, small volume, easily controlled and Intelligent etc.

Varying the time delay causes these to sweep up and down the frequency spectrum.

For anharmonic trap, this excitation has energy-selective characters, and depends on the frequency spectrum of the current noise.

Moreover, since the atoms are in random thermal motion the frequency spectrum will be altered by the Doppler effect.

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

In this paper we report on the manifestation in the transmission frequency spectrum, of a plate mode of a predominantly leaky nature.

Those destroy the orthogonality of each channel which reduces the utility of system's frequency-spectrum and performances.

Peaking in the frequency spectrum due to repetition of signals by multiple reflection is not confined to water layers.

Conclusion Accurate differential diagnosis could be made with analysis for frequency spectrum feature with color Dopp. . .

This article proposes one practice case for a satellite frequency spectrum monitor system.

Results Certain parameters about frequency spectrum of body bio-electrical impedance changed obviously through exercise.

By the debugging, the coding of speech is realized; m sequence is produced. Moreover, the spread of signal frequency spectrum is realized.

Moreover their vibration characteristics, the frequency spectrum characteristics of responses and the factor of strain growth were studied.

Radio frequency spectrum resources shall be in the ownership of the state.

Research and analysis were carried on frequency spectrum characteristics of loaded coal's EME during deformation and fracture process.

for focus measures , frequency spectrum functions , gradient functions and entropy function are analyzed in detail.

The parameters of primary wave frequency spectrum derived from array acoustic logging provided the possibility to achieve this aim.

The changes of pulse frequency spectrum in Doppler Effect are analyzed when millimeter wave pulse propagates through rain medium.

The sweeping sine singles from Frequency Spectrum Analyzer actuated the specimen by piezoelectric ceramic.

It is a truth universally acknowledged that radio-frequency spectrum is scarce in the U. S.

Combing the MIMO and OFDM technology can achieve high frequency spectrum utilization in frequency selected channel.

The method about intersection of frequency spectrum techniques can solve such problems effectively.

What this means is that an electronic chopper, which translates energy to a different portion of the frequency spectrum, modulates the load.

The influence of the noise of Fourier transform frequency spectrum in the experiment on the retrieval result is also discussed.

The sonic signature needs to keep the treble detail, but increase the frequency spectrum and add a more full sound.

Through numerical calculation, we get the frequency spectrum of one-dimensional diatomic chain in free and periodic boundary conditions.

A filter whose transfer function is matched with the frequency spectrum function of input signal.

The suggestions on the further research of the frequency spectrum analysis are provided.

Along with water flooded extent increase, the corresponding frequency spectrum energy is clearly declining.

An algorithm of matched filtering in frequency spectrum to overcome the phase error from nonlinear chirp is developed.

PVDF working as sensors sent the responding singles back to Frequency Spectrum Analyzer.

In our preliminary attempts we have found some characteristics for the frequency spectrum of various interference sources.

Our digital data link uses the frequency spectrum allocated to small UAS much more efficiently than the analog link it replaces.

While this division of the frequency spectrum works, said Goldsmith, it's not infallible.

Step four: the main frequency spectrum of the acoustic analysis.

The spread and compress of millimeter wave pulse frequency spectrum will happen in Doppler Effect during rain.

Then the acceleration impaction on the frequency spectrum is given and the acceleration channel compensational algorithm is proposed.

A method and apparatus for improving wireless frequency spectrum usage and reducing user data delay.

In this paper, a frequency spectrum analysis method for study the cavitations in fuel injection system of diesel engine is introduced.

The implementation of frequency spectrum sampling is elaborated.

The comparison of frequency spectrum between PZT and FBG in the focused point is taken experimentally.

To exist, Amateur Radio must have access to the radio frequency spectrum.

information processing with rebuilding the frequency spectrum is based on the experiment of Abbe-Poter and spatial filtering.

The radio monitoring is the spy that frequency spectrum manage.

Study results: 1. we proposed a cognitive radio frequency spectrum detection layer network model to solve the hidden terminal problem. 2.

The control system of AC PMSM as the study object is simulated. Simulation current wave and its frequency spectrum figures are given.

frequency spectrum requires about 1 minute and permits digital filtering of noise.

Today, our products cover the frequency spectrum from 5MHz to 3500MHz with both analog and digital equipment.

Therefore, the incipient fault feature can not be extracted effectively through frequency spectrum analysis.

Method The 2D, CDFI, PW frequency spectrum feature of 78 cases' 305 superficial were studied with color Doppler ultrasound.

Also, a large frequency spectrum (698-806 MHz) was freed by switching over from analog TV to the digital one.

Each 1. 5MHz frequency spectrum of DAB can transmit six sets of programmes with CD quality.

The more and more congestible frequency spectrum and strait channel require the filters with better performance.

In this case, MTB not only has one frequency spectrum, but also has the same accuracy with the first frequency spectrum of TBT.

The entire available frequency spectrum is used with 79 hops of 1Mhz bandwidth, analogous to the IEEE 802. 11 standard.

The effect of frequency spectrum of the eddies of turbulent flow in a turbo classifier on its classification characteristics

Vibration Frequency Spectrum Characteristics and Fault Diagnosis of the Big Bearings of Softcalender's Bottom Roll in a Modern Paper Machine

A method of forming source wavelet by using a pair of trapezoid frequency spectrum

Determination of blood distribution around prostatic cancer with color Doppler and its frequency spectrum

Intersection of Frequency Spectrum; Subband Filter Banks; Adaptive Sidelobe Cancellation; Pulse Compression;

Dynamic Viscoelastic Frequency Spectrum Characterization of Pressure-Sensitive Adhesive

High-precision method of electromagnetic frequency spectrum and its application in mineral exploration

An Experimental Study of Signal Frequency Spectrum Analysis on Virtual Instruments

Abstracting Frequency Spectrum Characteristics of Insulators Leakage Current in Safety Zone to Forecast the Contamination Condition

Lastly, the N spectra are synthesized into a single frequency spectrum

The Sampling of the Insect Activity Sound in the Storage Grain and Its Frequency Spectrum Analysis

Using an analytical method of frequency spectrum to monitor the status of a pump and diagnose its breakdowns

Measurement of the frequency spectrum of several typical images using recording optical spectrum analyzer

Spatial Frequency Spectrum Analysis of the Performance of the Diffractive Optical Element for Beam Smoothing

Fuzzy pattern identification on frequency spectrum of a five-plunger pump fault

Test Technology of Unsteady Flow Frequency Spectrum Performance of an Axial Compressor

Realization of Frequency Spectrum Analysis by Intellectual Whole-machine Balancing Instrument

Frequency Spectrum of Standard Lightning Currents and Its Application

Frequency spectrum analysis on microseismic monitoring and signal differentiation of rock material

Experimental Study on Frequency Spectrum Characteristics of Underwater Shock Wave Weakened by Bubble Curtain

The observation of treating acute child bronchial asthma by medical multifocal frequency spectrum instrument

Application of Frequency Spectrum Analysis in Pear Quality Detection Without Damnification

Frequency Spectrum Characteristics of Electromagnetic Emission of Loaded Coal

Application of the Filtering Method of Complex Time Spectrum in the Frequency Spectrum Analysis of Blast Seismic Wave

Frequency Spectrum Analysis for Digital Communication Assisted with Computer

A Study on Frequency Spectrum Characteristics of Dynamic A Study on Frequency Spectrum Characteristics of Dynamic

Development of Telecommunications Viewed at the Angle of the Administration of Frequency Spectrum

Frequency Spectrum Analysis of the Joint's Sound form Temporomandibular Disorder

The application of frequency spectrum analysis in experimental data processing of inertia platform

Application of Blade Vibration Pattern Measurement in Frequency Spectrum Analysis

Earthquake Response of Sites under Different Frequency Spectrum Features Ground Motion

Measurements of the three-dimensional dynamic frequency spectrum of infrasonic waves from thundershowers

Measurements of the three-dimensional dynamic frequency spectrum of infrasonic waves from thundershowers

Experimental Study on Frequency Spectrum Characteristics of Blast Vibration Wave

Research on improving rate of frequency hopping and purity of frequency spectrum

Study on frequency spectrum characteristics of acoustic emission in coal or rock deformation and fracture

Automatic radio-frequency spectrum recording equipment

High-frequency spectrum behavior of laser scintillation in turbulent atmosphere

The Design of Frequency Spectrum Management and Distribution System for Mechanized Troops

Fault Diagnosis and Trend Predication of a Blower of a Casing Type Furnace Based on Frequency Spectrum Analysis

Observation of Treatment Effect for High Flow Oxygen-puff Frequency Spectrum Treating Bedsore

On the Inverted Frequency Spectrum Identification Method of the Water Flooded Layer

Application of Inverted Frequency Spectrum in Computer-aided Diagnosis System

Analysis on Mitral Annular Motion in Normal Subjects with DTI-pulsed Frequency Spectrum Technique

The Implementation Situation of European Frequency Spectrum Trade

Analysis on Changes of Electric Frequency Spectrum of the Colon in 163 Cases of Abnormal Defecation of Different Syndromes

Effects of Bio-Frequency Spectrum Irradiation on the Efficiency of Bovine Embryo Production In Vitro

Research on the Application of Frequency Spectrum Technology in Reducing the Noise of Headstock Box Gear

The MathematicalModeland Frequency Spectrum Simulation ofLightning Current

Application of Local Wave Time-frequency Spectrum to Diagnosis of Early Faults of Rotating Machinery

Effects of Frequency Spectrum Water on Blood Viscosity and Erythrocytes Deformation in Rats

The Frequency Spectrum and the Noisy Compression Degree of the Digital Filter

Research on Technology of Frequency Spectrum Precisely Opening Windows

Early protective effect of frequency spectrum treatment on injured retinal ganglion cells

Management and Application of Future Military Frequency Spectrum

Frequency spectrum analysis of continuous signal by function-fitting method

Study on The Frequency Spectrum Management Model of Radio Communication Systems

Research on the Acquisition of Frequency Spectrum Image from Doppler Ultrasound

Frequency Spectrum Analysis of Blasting Vibration Signals

Examples of Detecting and Diagnosing Fan Trouble by Frequency Spectrum Analysis

Clinical Observation on Should and Back Myofascitis Treated with Injection ad Acumen Combined with Frequency Spectrum

Design of frequency spectrum analysis device on the ordinary oscillograph

A Signal Processing Method Based on Singular Value Decomposition And Its Feature of Frequency Spectrum

Application of Frequency Spectrum Analysis in Forecasting Annual Precipitation in Naolihe River Basin

Multi- class Double Frequency Circuit and Signal Frequency Spectrum

Heat effect on vortex shedding frequency spectrum on heated circular cylinder in liquid cross flow

Restrain Method on DFT Frequency Spectrum Leakage Base on Symmetry Extension

A design and simulation of high-precision frequency spectrum analysis system

Computing Frequency Spectrum of Non-Periodic Signal on Hartly Transform

Diagnosis on the frequency spectrum of the X-band trans it time tube oscillator

Parse on the Physics Color of the Complex Frequency Spectrum in Light Color

Frequency Spectrum Analysis and Research on Hitch Automatic monitor in Gear

Non-Communication Transmission Line Protection Based on Frequency Spectrum Recognition

double-channel digital low-frequency spectrum analyzer

Design of precise frequency spectrum analysis system and its implementation based on DSP

Analysis of Improving the Quality of Frequency Spectrum of TWT-transmitter

Bandwidth influence on frequency spectrum analysis of high speed fan noise

Effective analysis to treatment of TMJDS by frequency - spectrum therapy instrument added drugs

Noise Test and Frequency Spectrum Analysis for Steel Ball Coal Pulverizer

A new method of frequency spectrum analysis in the modal identification of hydraulic plate gates

Study on frequency spectrum analysis of ultrasonic wave in the defect of concrete pile

The Virtual Detection Instrument of Low Frequency Spectrum

Farm Land Scenery Area Measure with Texture Frequency Spectrum

The inverted frequency spectrum analysis method of air press gear shifting box

A research of frequency spectrum of inner electro- magnetic pulses

on-line measurement and frequency spectrum analysis

Device for direct observation of frequency spectrum

Research on Communication Mode of Single-phase Earth-fault Selection System Based on Frequency-spectrum Analysis

Vocal Frequency Spectrum Analytical Instrument Based on the Technology of Virtual Instrument

Frequency Spectrum Resources for CATV Network

Frequency Spectrum Analysis of Roughness of Road Surface and AR Model

The Technology of Supervising and Controlling Kalman Filter Based on Analysis of Frequency Spectrum and Wavelet

Frequency spectrum direct vision method

Detection of Timber Decay by Stress Wave Frequency Spectrum

FCC CONTROLS AND PROTECTS FREQUENCY SPECTRUM

Time-frequency Spectrum Analysis of Speech Signal

Linear System DFT Deconvolution Algorithm Based on Frequency Spectrum Tailoring

Frequency Spectrum Analysis of DC Sensor Based on the Magnetic Potential Self-balance and Feed-back Compensation

Frequency spectrum according to pulse partition modulation signal

Estimation of Frequency Spectrum Broadening Caused by Self Phase Modulation in Active Fiber

Classification for Fault of Generator Rotor Based on Hilbert Time-frequency Spectrum and Neural Network

Fault diagnosis of power electronic circuits based on fuzzy theory and frequency spectrum analysis

The Design of Real-time Frequency Spectrum Analyzer for HF Signal

The Simulation for Signal Frequency Spectrum Analysis Based on Fast Fourier Transforms

Design of Phase Difference Simulation Meter Based on Frequency Spectrum Analysis

Fault Diagnosis for Gearbox Based on Time-frequency and Frequency Spectrum Analysis

Study on Frequency Spectrum Detail Analysis Based on Spread Spectrum Technique

Face Recognition Based on Frequency Spectrum of Wavelet Decomposition and AIS

Frequency Spectrum Analysis Based on Neural Network Algorithm

Determination the Load of Ball Mill Based on Frequency Spectrum Analysis

A Scheme of Frequency Spectrum Analyzer Based on Dummy Technique

Face Recognition Based on Frequency Spectrum