low level light signal

In this paper,a measurement method for detecting weak optical signal in polymer fibers is proposed,which utilizes the pseudo-random sequence(PN)generated with FPGA.

提出了一种利用FPGA发出的伪随机序列检测微弱光信号的方法。

Investigation of a phase-locked amplifier for slight photo-electric signal detection based on Labview;

基于Labview的微弱光电信号锁相检测技术

The principles, characteristics and operations of stimulated Brillouin scattering(SBS) for microwave photonic signals in optical fiber are summarized.

概述了光纤中受激布里渊散射(SBS)作用于微波光子信号的工作原理,基本特性以及工作方式。

In this paper,the methods of microwave photonic signal generation are presented,such as electro-optical modulation,heterodyne generation,harmonic frequency generation and optoelectronic oscillator.

微波光子信号的产生是微波光子技术的一个基础。

The Research of the Technology of Detection of Dim-light Signal Based on the System of Determining Criterion of Stellar-magnitude;

基于等级星判定装置的微光信号检测技术研究

a weak light, signal, sound

微弱的光线、 信号、 声音

Demodulation of PGC signal based on FPGA for micro-machined fiber-optic microphone

硅微光纤传声器PGC信号的FPGA数字解调

Research on Characteristics of Microwave Signals Generated by Optical Heterodyne

光学外差法产生微波信号特性的研究

Signal Controlling in an Optical Generation Microwave and Millimeter Wave System

光生微波/毫米波系统中信号控制研究

Study on the Application of Fiber Bragg Grating in Microwave Signal Processing

光纤光栅在微波信号处理中的应用研究

Research on Signal Detection Techniques in Distance Measurement System Based on Fiber-sensor;

光纤声光测距系统中微弱信号的传感检测

The Measurement of Polymer Fiber Properties Based on Pseudo-random Sequence

基于伪随机序列的聚合物光纤微弱光信号检测

Study on the Optical Comb Filter and Its Applications in Optical Communications and Microwave Signal Processing

光梳状滤波器在光通信和微波信号处理中的研究及应用

Amplitude Modulation of Resultant Light Signal in Measuring of Tiny Displacement with Double Gratings

激光双光栅法测微小位移中光拍信号的振幅调制

Microwave Phased Array Antenna Using Fiber Optic Signal Distribution Network

使用纤维光学信号分配网络的微波相控阵天线

The System of Infant Laser Signal Generator Based on Dual CPU

基于双处理器技术的激光微弱信号发生系统

A New Technique for ECM Channel Sound optical Microwave Signal Processing

一种新型电子对抗通道声光微波信号处理技术

Study on Signal Processing and Analysing System of Micro Spectrometer;

微型光谱仪信号处理与分析系统的研究

System of Signal Acquisition and Processing for Micro-spectrometer Based on ARM;

基于ARM的微型光谱仪信号采集与处理系统

Microwave Signal Generation and Processing Based on Electro-optic Phase Modulator

基于电光相位调制器的微波信号产生与处理

Investigation on Low Noise Brillouin Amplification of Weak Light Signals

微弱光信号的低噪声布里渊放大的研究

Simulation and analysis of weak signal detection in OCT

光学电流互感器中微弱信号检测的仿真与分析