FFT

Moreover, the hardware requirement is simpler and it is possible to run with a dual-channel FFT analyser only.

According to the articles published, the harmonic analysis of electronic power system is usually achieved via Fast Fourier Transform(FFT).

This equation is adapted to any shape's input beam and can be easily realized using fft arithmetic.

A diagnosis and signal analysis method with FFT signal processer is provided for on surge-detonation of a twin-spool turbojet engine.

Finite-frequency tomography(FFT) is a new method to invert deep structure of the earth in the age of broadband seismic observation.

At the same ti me, a corresponding fast computing algorithm is deduced by using FFT and CZT algorithm.

In this paper, it briefly discusses the FFT and its application in the case of phone-video.

A new thought of combining frequency estimate method based on FFT with that based on multiple signal classification (MUSIC) is presented.

This FFT method is compared with other traditional fitting methods by computer emulation for an erbium-doped fiber sensing system.

The optimal filter coefficients are calculated in the frequency domain by FFT and are derived from an eigenvector of a matrix.

This paper presents the application of the MSP430-based FFT algorithm with variable sampling points to a vortex flowmeter system.

Light propagation is described by paraxial wave equations and solved by a phase-screen method combined with the FFT technique.

Step One: Select a WAV file as the target of analysis. (Ding. wav) Step Three: Transform and painting to FFT frequency domain graphics.

This algorithm takes good advantage of human audio system and embeds watermark into the phase of audio signal after FFT.

the exact upper bound and lower bound of mean square error are obtained for the two FFT algorithms of fixed point and block floating point.

Considering real-timing of algorithm, FFT is used for estimation of signal spectrum, and the specific steps are expressed.

The traditional method of spectrum analysis on the current signal via FFT is hard to diagnose the fault of the broken rotor bars.

Sampling data using fast Fourier transform (FFT) to numerical algorithm has obtained the high accuracy air shaft synthesis parameter survey.

Algorithms are presented for maximally efficient computation of the crystallographic fast Fourier transform (FFT).

At last the FP operation modules are used to design FP FFT processor, achieve high precision of FFT processing on FPGA.

The software makes FFT for the acquired data. The running status of the unit is shown at real time with graphs and data.

Algorithms for evaluation of the crystallographic FFT for centred lattices are presented.

Present a improved block floating point algorithm which solves the overflow in long point FFT effectively and improves precision.

Time-frequency order tracking method overcomes the shortcomings of traditional resampling and FFT methods.

A multi-dimensional vector radix Fast Fourier Transform (FFT) algorithm with Decimation In Frequency (DIF) was proposed.

In this paper, application of FIR filter and FFT processing technology in radar digital signal processing system is introduced.

Through running FFT on FPGA, it is proved that the technology can effectively reduce the memory accessing's delay, economize memory width.

using window law and adjusting method to reduce the error of FFT, the results have been markedly improved.

Fabio Capello told FFT that he'd told you to "stay in front of the goal" .

The continuous-wave echo data should be separated time equally and output by fast Fourier transformation(FFT) before the operation.

The algorithm of interpolation of hanning windows FFT reduce the spectral leakage error and the interference between harmonics.

The parameter estimation error of Continuous Zoom Analysis Fourier Transform of FFT and FT spectrum is studied is studied in this paper.

It was shown from the experimental results that FFT with SVM can achieve better results in the study of short-time sleep stages.

As to steady state phenomena, the traditional signal analysis tool FFT is used for harmonic analysis and flicker.

One intervention strategy that has shown promise in adults with bipolar disorder is family-focused therapy (FFT).

So the paper presents a scale-FFT magnitude method to separate integer and non-integer harmonics combining FFT with CWT.

FFT divides the raw data into thin narrow-band slices, which it then recombines with other portions along a timeline.

So in some situations required high precision, it does not satisfy requirement by using direct FFT to estimate the spectrum.

Harmonic analysis theory and real-valued FFT was also discussed.

An efficient method for infrared face recognition by blood perfusion model of human face and FFT is proposed.

The computing capacity and computing speed of FFT processor has been improved due to the Symmetrical structure of ping-pong RAM.

The module of FFT isu- universal, and it can be used for spectrum analysis of other random signal.

At Bomb Bay, visitors stand on a door that opens without warning and sends them down a wet, 76-fft plunge.

The transient time-domain response of 3D layered plate was obtained by fast Fourier transform (FFT).

Fast Fourier Transform is a kind of method to decrease the time used in DFT.

The CPB analysis lays stress on the whole change trend, while the FFT analysis lays stress on specific frequency distribution.

A pyramid approach for remote sensing image registration based on mutual information and FFT is presented.

This paper presents a novel circuit dynamic analysis method using FFT technique based on diakoptics.

Problems in Detecting FFT Harmonics.

FFT have poor performance because of a large deviation with the original data.

This paper proposes an image hiding algorithm based on Fast Fourier Transformation (FFT).

These modules were comprised of the realization of FEC and the decode of Viterbi , the shape of base-band wave, FFT and so on.

The Difference in Discrete Harmonics Synthesized pulse Wave form based on FFT and F. T. Spectrums.

The FFT calculation error caused by non- synchronous sampling is relative major, so the Window-interpolation FFT is introduced.

The output of sample-and-hold circuit is analyzed by using Matlab.

Undemanding to solve linear system of equations, making use of FFT, the approach is simple and efficient.

By using the FFT technique, the efficiency of simulation is improved greatly.

Hardware: FFT core to achieve a two-way real FFT.

Single channel FFT analyzer with 22 hours battery life.

This article introduces the structure of the digital receiver ICS554, and accomplishes the design of FFT processor based on FPGA.

For these reason, our research is mainly involved in FMCW level radar which is based on the high accuracy of ranging of FFT signals.

In order to make the track loop into lock quickly, the paper uses FFT spectral analysis to get fine frequency.

And then the developed MTD which is formed witli 8 points FFT and has a group of band filters is introduced.

This paper summarizes the application of FFT image analysis in wood science and the general way to study wood anatomy by FFT.

Study of a Waveform Control Technique for Inverter on the Basis of Improved FFT Algorithm

Staggered Grid Real Value FFT Differentiation Operator and Its Application on Wave Propagation Simulation in the Heterogeneous Medium

A New Frequency Estimation Way of a Single Frequency Signal Via FFT Rotational Invariance Techniques

A comparison of effects between the iteration method and FFT for downward continuation of potential fields

An FFT Approach to Direction-of-arrival Estimation of Multiple Spatial Narrow-band Signals

Emulation of Joint Transform Correlator by Means of FFT Algorithm

Study on the Algorithm to Estimate Carrier Frequency Deviation with FFT of a Complex Vector

The Measurement of Phase Angle Difference Between Periodic Signal Using FFT and Its Error Analysis

The FFT Computer-generated Hologram and Its Reconstruction by Detour Phase Encoding

Compared with the peak detection and subsection FFT convolution computation method, this method has smaller error;

Wavelength Assignment of Parallel FFT Communication Patterns on a Class of Regular WDM Optical Networks

Analysis for Characteristics of FFT Spectra of Acceleration Responses in Sliding-isolated Structures

Harmonic Vibration Monitoring of Rotating Machinery Using General Corrected FFT Spectrum

Application of two high-accuracy FFT algorithms to measure dielectric loss

Comparison Between the Methods of Iterative Simpson and FFT in Diffraction

Design and Applications of a New Type of FFT Processor with High Efficiency

The Communication Mode of FFT Embed in the Optical Ring Networks and the Analysis for It's Performance

The Auxiliary register unit chooses one carry with contrary to orientation carry to achieve the FFT algorithm demand;

The conjoint waveform-copy-FFT detection method for differential frequency hopping signals

The Error Bounds Estimation of Interpolating Windowed FFT for Harmonic Analysis Algorithm

FFT Algorithm Sampled With Hanning-Window for Roll Eccentricity Analysis and Compensation

FFT Complex Wavelet and Its Application to Signal Process of Machine Fault Diagnosis

complex programmable logic devices implementation of fft processor

Study of wavelet and FFT of fault diagnose on turbine-generator sets

FFT-based Detection of Existence of Synchronization Signal for FFH System

Influence of decaying DC component on FFT fast algorithm and its solution

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

Application of FFT and Correlated Function in Electric Parameter Measurement

Integrated Application of Windowed FFT and Wavelet Transform on Power Quality Analysis

FFT-based computation of periodic correlation functions of direct sequences

Fast calculation of interpolated FFT algorithm using cubic spline function

Comparison between Wavelet Transformation and FFT in the Denoising of PWM Valve Control Signal

Relay Protection Test Device; Electric Parameters Msasurement; DSP; Data Acquisition; FFT;

Application of Digital Frequency Conversion FFT in Spectrum Analysis

Applications of FFT algorithm to intelligent motor protection system

Study of Using Real Multiplier Factor to Realize FFT

Precision Improvement of Dynamic Pulse Impedance Spectrum by Over Sampling and FFT

Applications of FFT Algorithm to Power Monitoring Calculation

Study on Windows and Interpolated FFT Algorithm for Harmonic Analysis in Power System

Plural Function FFT Degree Chart and Analysis of Rotor Eccentricity Movement

Research on Measurement of Rotational Speed of Turbocharger through FFT

Application of FFT and Wavelet Transform to Measurement of Harmonics in Power System

simulation of fraunhofer diffraction phenomenon by fft

The Analysis of the Phase-Shift Error of the PMP Phase-Shift Device Using FFT Method

FFT-Based Image Watermarking in Mobile Color Message with Blind Extraction

Optimization of Arranging Order Standard Arithmetic for FFT

The Application of ZOOM-FFT Technology in Ultrasonic Flow Measurement

Design of High Performance FFT Processor with Conflict Free Memory Access

A Study of Intelligent Electric Transducer Based on FFT in Traction Power System

On Computations of Terrain Corrections and Indirect Effect Using FFT

Improvement of frequency analysis arithmetic of FFT filter

Study of FFT Analyzer System Based on Virtual Instrument Technology

Application of Digital Filter and FFT in the Electromagnetic - NDT System

Application of FFT in locomotive transient fault recorder

Mechanism of gas sensors'dynamic measurements and FFT analysis

High Accurate FFT Algorithm for Harmonic Analysis Based on Window Function and Double Peak of Spectral Lines Interpolation

High-accuracy estimation of electrical harmonic parameters by using the interpolated FFT algorithm

Discussion about the Prediction Accuracy for Dynamic Spectrum by Partial FFT

FFT and Digital Characterization of Random Surfaces

Apply the Wavelet Packets Combined with FFT to Detect the Broken Bars Fault of Motors

Analysis of Dielectric Loss Angle Measurement by Hanning Windowing Interpolation Algorithm Based on FFT

Implementation of a new fast PN code-acquisition using radix-2 FFT

A High Precise Method to Measure Carrier Frequency-deviation Complex Vector with FFT

FFT based on digital down conversion and its realization in spectrum analyzers

Universal FFT Algorithm Based on DSP and its Application in Harmonic Detection in Grid

Comments on Solar Linear Force-Free Field and Application of FFT Analysis

Application of Zoom FFT by FT for Turbine Blade Natural Frequency Testing

The FFT analyze of the acoustic signal on plasma in laser welding

Arithmetic test and design-for-testability for FFT processor

Correction of Frequency and Phase of Two Overlapped Spectrum Signals Based on FFT

Harmonics Analysis of Intelligent Power Station Based on Interpolating Window FFT Algorithm

Design and Implementation of a Non-radix-2 FFT Processor

Accuracy analysis and comparison of some FFT-based frequency estimators

The Harmonic Analysis of 11-phase Brushless Excitation Motor in Normal Operation Adopting FFT

A High Effective FFT Algorithm in Correlated Frequency Hopping System

The Method and the Performance of Pseudorandom Code's Acquisition Based FFT

Implementation of FFT in Digital Signal Processor

FFT Spectral Analysis in Vortex Signal Processing

FFT Algorithm Implementation and Routing Based on Partitioned Optical Passive Star Network

The Correct Value Of Scope and Phase Angle Using FFT Measure Periodic Signals

Power System Frequency High-Accuracy Measurement Based on Interpolated FFT Algorithm

Power quality disturbances classification based on time-domain, wavelet transform and FFT

Combined Algorithm Based on FFT for Frame Synchronization and Frequency Offset Estimation

On the High Speed and Accuracy Computation of Transient Response by FFT

FFT Technique on Speech Time-Varied Spectrum Analysis

Modeling of Ocean surface Waves: Using FFT Algorithms

A Study of Feature Matching Based on FFT in the Measurement of Chip Spacing

Realization of Digital Phase Detector Based on FFT Algorithm in Laser Distance Measurement System

Design and implementation for FFT analyze system based on virtual instrument technology

Method of Wavelet Packets and FFT to Detect the Broken Bars Fault Signal of Motor

Non-contact life-parameters signal detecting of frequency domain signal integration based on FFT

A Combining Encryption and Decryption Algorithm Based on Neural Networks Cross-and-Variation and FFT

FFT-based Algorithm for Real-time Harmonic Analysis

Pyramid Approach for Remote Sensing Image Registration Based on FFT and Mutual Information

Implementation Method of Recovery from Nonuniform Sampling for Digital Speech Signals Based on FFT

Application of Fourier algorithm based on FFT in microcomputer-based relay protection

Adaptive real-time channel estimation based on FFT demodulation in SW frequency-hopping system

An FFT-Based Approach for the Fast Acquisition of PN Code

Research of Hardware Implementation in FFT Ratl-time Signal Processor

A Zoom- FFT Implementation Based onTechnology of Digital Down Convert

A Fast Address Generation Scheme for FFT Processor

Fast Algorithm for Calculating Call-Blocking Probability Based on FFT in Large-Scale Networks

Accuracy Analysis of Frequency Estimation of Sinusoid Based on Interpolated FFT

Design of high-performance FFT butterfly unit

A New Method to Inverse Order for FFT without Inverse Order Number

Research of NON-INTEGER HARMONICS MEASUREMENT BASED ON FFT ALGORITHM AND NEURAL NETWORK

Implementation of the High Radix FFT

On-line prediction of SRL by FFT of cable capacitance in water

A method for interharmonic measurement based on AR model spectral estimation and interpolation FFT algorithm

Ultrasonic Inspection of Spot-Welded Joints of Coated Steel for Car Body Based on FFT Processing

On FFT Algorithm and Programme of Digital Image

Harmonic analysis in the electric machine based on windows and interpolated FFT and harmonic expurgation according to amplitude

Analysis and Treatment of Spectral Leakage Based on FFT in the Fields of Harmonic Measurement

Interharmonics Estimation Based on Interpolation FFT Algorithm

A Modified Algorithm for Fringe-Pattern Extrapolation Based on FFT Analysis

An Extendible Look-Up Table of Twiddle Factors for FFT

A Zoom-FFT Implementation Based on Polyphase Decomposition Filter

A Method for Removal of Fluid Pulsating Interference on Swirlmeter Based on Spectrum Phase Discrimination Using FFT

The study of the analysis for the FFT harmonics based on the function mapping

An Algorithm for DOA Estimation of Cyclostationarity Signals Based on FFT

Signal analysis of power quality based on wavelet transform and FFT algorithm

Parallel FFT algorithm based on multi-threading technology

The Ultrasonic Sediment Measurement Based on FFT Algorithm

An Approach of Analyzing Power Harmonics Based on Improved FFT Algorithm

The Design of a High Speed Real-time and Fixed-point FFT Processor

Region spreading algorithms of interferogram based on FFT

Research on the FFT Spectrum for Image Recognition Based on Boundary Chain-Code

Roll eccentricity compensation control based on FFT

Remote sensing image registration algorithm based on FFT

A speedy array pattern synthesis method based on pattern expansion and FFT

Angle Selection Based on FFT Calibration for Phased Array Antenna

Fast code acquisition based on phase difference correction of FFT

The Yarn Quality Inspection and Control Based on Wavelet Analysis and FFT

Fault Detection and Isolation of Inverter Based on FFT and Neural Network

Design of signal processing software based on FFT and digital filter

Power Quality Assessment Based on FFT and Wavelet Transform

Multibody hydrodynamic analyses based on the precorrected-FFT method

Study on problems about detecting harmonic based on FFT in power system

A high accurate harmonic analysis method based on FFT and neural network in power system

Forecast of insurance income based on FFT and wavelet analysis

Modified model of power metering based on FFT of harmonic analysis

ZOOM FFT Technology Based on Analytic Signal and Band-Pass Filter

The Algorithm Research of Fast Wavelet Transform Based on FFT

A Design of Dual Uniform Linear Array Based on the Method of DOA Estimation with FFT

The phase difference measure based on FFT with high accuracy

Harmonic Analysis of the Fault Cases in 11-Phase Brushless Exciter Based on FFT

A Fast Method to Inverse Order for FFT

Fast Estimation of Radar Doppler Frequency Based on FFT

A Digital Multi-Beams Algorithm of DOA Estimation Based on FFT

A Method Based on the FFT to Measure the Distortion Factor of Sine Wave

Technology of Phase Selection of AC Apparatus Based on FFT

A new fault detection method for inverter-fed drives based on FFT

Two Methods of Rapid Code Acquisition Based on FFT

Fast Computation of Array Pattern Based on FFT

A calibration method of phased array radar based on FFT

Virtual Axis Orbit Analyzer Based on FFT

Fast acquisition of DS system based on FFT