demodulation

The theoretical and numerical simulation results show that this method has assuredly reduced errors of synchronization and demodulation.

The demodulation system has some advantages: stable signal, easy to realize its benefits.

The advantages, disadvantages and applicable occasions of every algorithm for phase-demodulation are analyzed by experimental data. 4.

Draw the output of the demodulation performance curve and the point of the relationship between signal to noise ratio SNR.

Introduction of the MSK modulation and demodulation simulation program, joined the IF carrier, the statistical performance of the system.

Blind equalization is one of the key technologies of blind demodulation to compensate the channel distortion.

which can be used to implement envelope demodulation and extract the envelope component of the high frequency resonance band.

Carrier synchronization, as an important branch of synchronization technology, is the foundation of coherent demodulation.

Wavelength demodulation is the key technology of fiber Bragg grating sensor and is also the key of the commercialization of such devices.

With a nonlinear low-pass filter, a method of modulation and demodulation is discussed in self-synchronizing chaotic communication systems.

and the terminal comprises display equipment, a demodulation module, a signaling sending module and a control module.

however , the modulation - demodulation of ultraviolet and voice transmission are the key technologies.

Block error rate (BLER) is used for W-CDMA performance requirements tests (demodulation tests in multipath conditions, etc).

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 .

This paper proposes a demodulation and decoding scheme, which combines multiple symbols differential detection with soft-decision decoding.

In this paper, operational principle of CWDM linear sidebands filtering demodulation was elaborated and, experimental verification was made.

The research improvements have been applied on the Godson Processor-based Real-time PGC Digital Demodulation System.

Established the base theory of the implementation of the wave-length-mobile demodulation method.

The design and implementation of modulation, difference demodulation, bit and packet synchronization of burst GMSK IF signal is emphasized.

This paper gives the designing method of a PXI bus-based QPSK demodulation module based on the research of the PXI bus specification.

Key Products : Fiber Bragg Grating-line temperature monitoring system, FBG sensor demodulation devices and sensors.

the sensing mechanism of fiber gratings and the demodulation technologies for the wavelength signals of fiber grating sensors.

It mainly consists of DSC, zero -crossing detection circuit, signal modulation circuit and signal demodulation circuit.

Then, the author deep discusses the principles of distributed optical fiber sensing networks and signal demodulation.

The demodulation instrument features simple structure, low cost, and can carry out large range wavelength measurement.

The performance of the signal after demodulation is analyzed by modulation analyzer and stereo decoder.

Application of Computer Technology to Railways Signal Demodulation and Mensuration .

Moreover, the technique of wavelet filtering has been applied in envelope-demodulation to validate the results of morphological filtering.

Comparing to analog IQ demodulation, the advantage and application future of digital IQ demodulation are described in this paper.

The design and principle of the phase-sensitive demodulation and the sawtooth wave generator are presented in detail.

The research method is using VC programming to realize the modulation and demodulation of the signal by audio-card.

The signal processing circuses , including the low-noise pre-amplifier, the filter and the phase lock loop(PLL) demodulation were designed.

The demodulation of QPSK signals includes non-coherent demodulation and coherent demodulation.

The resource consumption of modulation system and demodulation system is given respectively.

It uses orthogonal detection method for coherent demodulation; and uses an improved digital correlator for de-spread.

Compared with in vitro AM modulation modes, the demodulator adopts the diode peak envelope detector for demodulation.

Then a digital filter is designed to decrease random noise, which could further increase the demodulation precision.

To solve this problem, on the base of modulation and demodulation, the spectrum shifting measuring method is presented.

The XPM technique is applied to the demodulation system for fiber grating sensor.

The strain sensitivity was demarcated by experiment using spectrum character of ASE demodulation.

In this paper, a scientific, practical and reliable signal receiving and demodulation circuit is presented.

Symbol synchronization is used to confirm OFDM symbol's initiative position for accurate demodulation.

Based on the DDS technique, the exciting signal source has high accuracy, and the data can be acquired by phase-sensibility demodulation.

Demodulation is the critical technology in communication system.

We introduced the accomplished structure of the OFDM demodulation, focusing on the computational process of the valid data extraction.

Demodulation : The reverse of modulation . To convert data from analog to digital form .

The phase-lock technique is widely used in many fields, such as modulation and demodulation circuit and frequency synthesizer circuit.

A Morlet -like wavelet clusterbased method for bandpass filtering and envelope demodulation is described.

This thesis has introduced CDMA2000 mobile communication system and the principle of TS-NMT modulation and demodulation.

The technology of virtual radio is developing rapidly, a new DPSK signal software demodulation algorithm is proposed based on virtual radio.

A transfusion speed monitor system is designed based on infrared technology with modulation and demodulation.

Phase demodulation uses space-time coding based on unfolding of color stripes in pseudo random sequence and three-step phase shifting.

The interface circuit of ST7536 and power line finishes the modulation and demodulation of digital signal.

By using moving one period sine wave model, the precise demodulation of FM signal wave is achieved.

F-P tunable filter demodulation system is choosed by FBG landslide monitoring system.

And carrier recovery, which is the key technology of digital demodulation, is fully discussed.

Symbol synchronization for PPM is necessary for accurate demodulation.

A new algorithm is proposed for demodulation of MPSK signals.

The demodulation method of fiber grating is studied.

A rapid symbol timing scheme is proposed in this paper based on noncoherent demodulation.

Then we bring forward three algorithms for demodulation based on DSP, do some comparision and designes the DSP programmes.

Therefore, the study of all-digital QPSK modulation and demodulation based on FPGA has important significance.

The use of coherent demodulation receiver.

The sensor is based on F-P interferometer and phase demodulation method.

Time synchronization that is key technology of digital demodulation is cc allied by software.

The research of demodulation system based on DVB-S2 becomes a very hot research issue.

Demodulation circuit demodulator will be transferred down the development of coding, that is, to restore the signal for the encoding.

This algorithm can achieve the best demodulation because the likelihood ratio of information is used adequately.

The demodulation system of the sensor is set up.

A kind of optical fiber MEMS pressure sensor based on phase demodulation is designed and fabricated.

Ich habe die Modulation und Demodulation des analogen und digitalen Signal gelernt.

Demodulation of the Vibration Signal of a Reciprocating Machine at Spectral Characteristic Band and Its Applications

Study of a Facile Signal Demodulation Pre-circuit for Differential Capacitance Detection

The on-line detecting damage of the train bearing with acoustics resonance demodulation technology

Study of QAM Digital Synchronous Demodulation Algorithm and Its Realization

Digital readout system for a micro-machined gyroscope and its demodulation algorithm

Design of transmitting waveforms and its demodulation in the coast-ship multi-static ground wave over-the-horizon radar

Characteristics of Demodulation about Cyclic Autocorrelation and Its Application in Fault Diagnosis

A Carrier- synchronization Method Applied to Poly - phase Coherent Demodulation Communication

Signal detection mainly includes signal detection part of the launch coil, receiver coil and analog signal demodulation circuit;

Study of wavelength interference demodulation technique for fiber grating

Adaptive Resonance Demodulation Method and Its Application to Fault Diagnosis of Freight Car Rolling Bearings

Design and application of a programmable digital demodulation and analysis module

The main elements of the design include: phase-sensitive signal demodulation circuit analysis and design;

Simulation Investigation on Adaptive Demodulation Technique for Chaotic Communication Systems

Research of the Application of High Speed Synchronization - Demodulation Technique in the Data - Transmission System

Nonredundant Error Correction Differential Demodulation Combined with Soft decision Decoding

Wavelet cluster based envelope demodulation approach and its application to fault diagnosis

Self-Organizing Envelope-Demodulation Method and Its Application to Diagnosis of Rolling Bearing

A Comparison Investigation of Demodulation Techniques for Chaotic Modulation Communication Systems

Design of a Useful Wideband Demodulation Logarithmic Amplifier

Phase modulation and demodulation of interferometric fiber-optic hydrophone using phase generated carrier techniques

Realization of digital demodulation of the phase generated-carrier technique in fiber optic hydrophone systems

Coarse Decimal Frequency Offset Estimation and Its Adjustment in COFDM Demodulation

Demodulation Analysis for Slice of Cyclic Autocorrelation Function and Cyclic Autocorrelation Function

A differential synchronous demodulation technique for small-signal amplitude measurement

Application of Generalized Demodulation Time-Frequency Analysis Method to the Processing of Modulated Signals

Engineering implementation approach of baseband PSK demodulation technique

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

A Programmable SAW MSK Modulation and Demodulation Module Used in Position Report System

The on-line automatic correction of a phase demodulation instrument for its zero error

Development of a portable wavelength demodulation instrument for fiber Bragg grating

The principle and application of cyclostationary analysis for demodulation of amplitude modulated signals

The Realization of The Modulation-Demodulation Circuit in The Distribution System of Measurement of Electricity Quantity and Charge

Signal Demodulation of Comparative Measurement Based Optical Current Transformer

Design and application of a digital demodulation and analysis module

Carrier Synchronization and Coherent Demodulation of Space-Time Modulation Carrying with Azimuth Message

Highly effective digital demodulation technique used in digital AGC

Investigation on Limitations for Demodulation Analysis in Signal Detection of Mechanical Vibration

UWB Carrier Envelope Modulation and Orthogonal Comb Spectrum Correlation Demodulation

Multiplex Demodulation Techniques for Distributed Fiber Bragg Grating Sensing Network

Signal Selection and Demodulation Method of Multi-information Shifting Frequency Automatic Blocking System

Calibrating Method to Improve Fiber Bragg Grating Demodulation System Measurement Precision

Design of a Remote Demodulation System for HF Frequency-hopping Signals

The application of PWM in digital modulation and demodulation for analog communication signals in several modulation modes

Study on Laser Doppler Demodulation System Applied to Remote Measurement in High Altitude

Digital demodulation of the interferometric fiber-optic hydrophone

Actualization of Demodulation Technology in Inductosyn Data Display Instrument

The Research and Application of The Technology of Wavelet Analysis and Resonance Demodulation

Demodulation Analysis for Cyclic Autocorrelation Function

Modulation and Demodulation Systems of Ultraviolet Communication

Signal demodulation principle for quartz tuning fork gyroscope and extracting algorithm for angular rate signal

Principle of Fiber Optic Interferometric Sensors and Their Phase Demodulation Techniques

Research and Application of the Technique of Resonant Demodulation in Fault Diagnosis of Machine Tool

Application of Digital Demodulation Analysis Module to SW Panoramic Monitoring Receiving System

Fiber Bragg Grating Sensor System with Interferometric Demodulation Technique

Design of an Interpolator Used in QAM Demodulation

Optimal Design for Parameter of Digital Quadrature Demodulation at Intermediate Frequency

Research on Analog Demodulation Techniques of Bio-electrical Impedance Measurements

Symmetrical Demodulation of Distributed Fiber Raman Temperature Sensor

The Demodulation Techniques for Sagnac Interferometer Based Hydrophone

Carrier synchronization technology on QPSK signal digital demodulation

Application of Envelop Amplitude Demodulation in Gear Fault Diagnosis of the Finishing Mill

Digital Quadrature Demodulation for the Wireless SAW Sensing Information

Researches on the Application of Self-adaptive Filtering to the Digital Demodulation Telemetry Signal

The Application of a New FSK Demodulation Algorithm in Caller ID Detection

Research on the Principle of Carrier Angular Increment Demodulation and Gyro Drift Modulation for Rate Biased Ring Laser Gyro

Review of phase generated carrier demodulation techniques for interferometric fiber-optic sensors

Design and Simulation of a Full Digital QAM Demodulation System

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

Dynamic demodulation method for external pressure measurement with fiber grating sensor

Application of Wavelet Envelope Demodulation on Early Fault Diagnosis of the Rolling Mill

Modulation and Demodulation Technique of Remote Control Transmission System

The Application of Digital Synchro Demodulation in the Electromagnetic Fuze of the Torpedo

Demodulation System for Fiber Bragg Grating Sensors Based on a Real-Time Calibration Technique

Study on Application of Resonance-demodulation Technology in Rolling Bearing Fault Diagnosis

Receiving and demodulation of the modulated speech-signal in Ultraviolet domain

Analysis of Distortion Resulting from Frequency Error and Phase Error in Synchronous Demodulation

Modulation and demodulation for detecting weak periodic signal of stochastic resonance

Demodulation and Modulation Scheme in Mobile Satellite Communication

Wavelength detection and demodulation technique with double fiber Bragg gratings

Relative phase demodulation technique in frequency domain in projected grating phase method

The Application of the EMD-Cyclic Domain Demodulation in Mechanical Fault Diagnosis

Research on Fiber Grating Sensing Characters Using Fiber Cavity Ring Down Demodulation Technique

Application of envelope demodulation method to fault diagnosis of spring invalidation

Comparison and analysis of fiber Bragg grating sensing demodulation system control circuit

Application of Combined Morlet Wavelets in Filter and Envelope-demodulation to Vibration Signal

Wavelet analysis and resonance demodulation for diagnosing the mechanical fault

Study on Digital Demodulation Technology for Fast Burst Satellite Communication

Analysis of Demodulation Principle of Spectral Correlation Function

Infrared laser; SCM; modulation; demodulation; wireless LAN (Wifi);

Demodulation Techniques for Distributed Fiber Bragg Grating Sensor System

Study on the PPM Modulation and Demodulation Circuits System for the Laser Communication

Application of Square Demodulation Analysis in Fault Diagnosis for Mechanical Signal

Resonance-demodulation-based Automatic Diagnosis System for Rolling Bearing's Faults

Application of Continuous Phase Modulation and Demodulation in the High Speed Frequency-hopping System

Simulation and Realization of Software Defined Radio Modulation and Demodulation System in SDR

Digital Controlling Demodulation System Applying to the Fiber Grating Sensor

Multichannel demodulation method for FBG temperature sensing

Demodulation of Wavelength-encoded Signal in Fiber Grating Sensing Application

Research on Demodulation of Interferometric Fiber Optic Hydrophone

The design of general platform software about modulation and demodulation with software radio

High-accuracy analog demodulation technology for multi-frequency bioelectrical impedance

Cross-correlation demodulation of optic fiber Fabry-Perot sensor multiplexed in parallel

Application of Embedded Technology in Fiber Optic Grating Demodulation System

Evaluation of using lossy-JPEG image compression in phase demodulation with phase shifting method

Parallel Demodulation for the Multichannel Distributed Sensing System of Fiber Bragg Grating with F-P Filter

A Method for Real Time Correcting the Amplitude and Phase Errors of UWB Quadrature Demodulation Receivers

phase-sensitive demodulation circuit drawing of printed circuit boards;

A Wavelength Demodulation Method Using Twisted High Birefringence Fiber

The Comparison and Application of Envelope Demodulation in Machine Fault Diagnosis

An Algorithm for Rectifying Large Frequency-Offset in Fully Digitized QPSK Demodulation

Modulation and demodulation techniques in Cable Modem and their application

Application of Lowpass Filter in Demodulation of Amplitude Modulatory Signal

Recent Advance on Technique of High Resolution Wavelength Shift Demodulation

The Performance Analysis of Ultra-Wide-Band Quadrature Demodulation Receiver

The Application of Digital Quadrature Demodulation in Wireless SAW Sensor Systems

Experimental Study on Coherent Demodulation For Binary Chaos Shift Keying Signals

Study and comparison of the fringe phase demodulation algorithms

Application of Digital Phase Sensitive Demodulation in the LWD Resistivity Logging Tool

The Demodulation Method and Simulation of Frequency Modulated Signal in Gear Vibration

Study on a Spectrum Absorptive Optical Fiber Gas Sensor Demodulation System

The application of orthogonal demodulation in OFDM signal demodulation

Demodulation of binary frequency shift keying in digital communication

Design and Applications of Wireless Modulation and Demodulation Boards

Application of Quadrature Modulation and Demodulation Algorithm to SDR

Noncoherent Digital Demodulation Technology of FSK Signals

Hilbert Transform for the Application of Signal Demodulation

Delay Coherent Demodulation and Its Artificial Realization for DC System of MSK

Using Envelope-demodulation Method to Diagnose Complex Fault of Equipment in West Oilfield

The demodulation and decoding techniques of digital cable television system

Passive Time-domain Demodulation Technology for Fiber Bragg Grating Sensing

A method for compensation of quadrature demodulation of synthetic aperture radar

Study on All-purpose Demodulation System for Fiber Fabry-Perot Sensors and Fiber Bragg Grating Sensors

Research on the Three Algorithms and Limitations of Generalized Detection-Filtering Demodulation Analysis

Demodulation Performance Analysis of OFDM under Several Jamming Modes

Direct intensity demodulation of laser Doppler micro vibration signal

An algorithm analysis of quadrature demodulation in IF digitalization

A Novel Edge Filter Demodulation Method Using High Birefringence Fiber Sagnac Loop Mirror

Digital Wireless Modulation and Demodulation for Analog Signals

All-digitized Implementation of QAM Modulation and Demodulation

The Carrier Wave Tracking and Data Demodulation of Spread Spectrum Receiver with High Dynamic

Nearest-neighbor Pattern Recognition in Demodulation of Railway FSK Signal

Demodulation scheme for filtering method based fiber Bragg grating sensing

Doppler frequency shift influence on FSK demodulation in SW air-ground communication

Application of Cyclic Domain Demodulation in Fault Diagnosis of Rolling Bearing

A novel temperature sensing demodulation system for fiber Bragg grating sensing

Carrier Recovery and Timing Extraction of Facsimile Signal Demodulation in DCME

Performance Analysis of Soft-decision Decoding in Demodulation of OQPSK Signals

Time-Domain Demodulation Technique for Active Fiber Bragg Grating Sensor System

Research Method of PGC Demodulation of Fiber-Optic Interferential Hydrophone

A FBG Sensor Demodulation Method Based on an Amplified Spontaneous Emission Light Source

A Novel Strain Sensing Demodulation Technology for Fiber Bragg Grating Sensing

Twice Demodulation Algorithm of Sonar Array Signal Acquisition

Demodulation Technology for Fiber Bragg Grating Strain Sensors

Implementation of Overmodulation and Demodulation of AM Signal

Multiplexed fiber Bragg grating sensing system based on a novel demodulation technique using an all-fiber interferometer

Expatiating on principle of envelope demodulation;

High Speed Data Modulation-Demodulation Technology

Study on Square Wave Driving and Demodulation Circuit of Micro Quartz Tuning Fork Gyroscope

Prospect of Research for Signal Demodulation in Fiber Bragg Grating Sensing System

Study on Midfrequency and Sampling in Orthogonal Phase Demodulation

Demodulation of Frequency-Shifting Signals of Automatic Block System with PLL

Techniques for Fiber Bragg Grating Sensor System Demodulation

An Ameliorative Demodulation Method of Raman Temperature Sensor

Experiment Design of Signal Modulation and Demodulation

Inverted Differential Grating Demodulation System of Laser Doppler

Demodulation of Balance Amplitude Modulation Wave

Then two sets of demodulation scheme of wide band interferometric signal are studied;

Design Technique of Digital Demodulation in Vector Signal Analysis

A Novel Dynamic Demodulation Technology for Fiber Bragg Grating Sensing

Method of calculating refractive index demodulation of fiber grating

Study on Techniques of Signal Demodulation in Fiber Bragg Grating Sensing System

Tracking and Demodulation of High Dynamic Spread Spectrum Signals

Progress in Demodulation Technology of Fiber Bragg Grating Sensor

Software Demodulation of BPSK zero-IF signal containing carrier offset

Study on the demodulation of the fiber bragg grating sensing system

Research of modified CCK demodulation arithmetic

Digital demodulation electrocircuit in Digital Satellite TV Receiver