Discussion about the theory and application experiments of lock-in amplifier;
锁定放大器原理及应用实验的教学探讨
Design of the lock-in amplifier for PLC
一种适用于PLC的锁定放大器设计
In this paper,a method of weak signal detection,Lock-in amplifier,is introduced at first briefly,then a type of heterodyne lock-in amplifier is introduced briefly also.
本文首先阐述了一种微弱信号检测方法-锁定放大方法,并在此基础上对采用外差式技术的锁定放大器进行了详细的分析,经实验室测试在输入正弦信号频率为5MHz时,其积分非线性为0。
This article describes the principle and the performance of the Lock in Amplifier and it s application in temperature measuring system.
本文对锁定放大器的功能特性及在温度的精密测量中的应用方法进行了探讨和研究,给出了应用系统框图,并用实验进行了证实。
A measurement system for gas dynamic concentrations based on TDLAS was constructed by using an auto-balanced photoreceiver and a digital lock-in amplifier.
基于自平衡激光接收器和数字锁定放大器构造了TDLAS汽车尾气动态浓度测量系统。
Harmonics Detection With a Digital Lock-in Amplifier Controlled by Computer;
对数字锁相放大器远程控制的谐波探测
Study on Key Technique of Digital Lock-in Amplifier;
数字锁相放大器关键技术研究
The measurement system of magnetomechanical coupling coefficient for giant magnetostrictive materials has been built by using a lock-in amplifier, according to the measurement theory.
根据磁机械耦合系数的测量原理,利用锁相放大器建立了磁机械耦合系数测量系统,并应用该系统测量了巨磁致伸缩材料的磁机械耦合系数。
Research on Applying Single-Chip Microcomputer 8098 to Two-Phase Lock-in Amplifier
8098单片机在双相锁定放大器中的应用
Embedded Digital Lock-in Amplifier Based on TMS320C6701EVM;
基于TMS320C6701EVM的嵌入式数字锁定放大器
Design of the lock-in amplifier for PLC
一种适用于PLC的锁定放大器设计
The Application of Lock-in Amplifier in Phase Laser Range Finder
锁定放大器在相位激光测距仪中的应用
Superconductor resistance measurement system based on correlation principle of locked amplifier
基于锁定放大器相关原理的超导电阻测量系统
A Method to Construct Automatic Measurement System with Intelligent Lock-In Amplifier and Microcomputer
智能锁定放大器同微机构成自动测量系统的一种方法
It introduces the method of modulated light subtracting infrared radiation of atmosphere and background as well as the method of phase-lock-loop detecting feebleness signal.
采用光路差分调制的方法实时扣除背景红外辐射，并采用锁定放大器进行微弱信号的检测。
Application of Lock-in Amplifier in Calibration System of Temperature Sensor
锁相放大器在温度传感器校准系统中的应用
Locking scheme that determines which server locks which database.
决定服务器锁锁定数据库的锁方案。
Study on the Fiber Oxygen Sensor Based on Locked-in Technology;
基于锁相放大技术的光纤氧传感器研究
Harmonic Detection Virtual System of Methane Concentration Based on Digital Lock-in Amplifier
基于数字锁相放大器的甲烷谐波检测虚拟系统
Design of SNMR FID Signal Collection System Based on Analog Orthogonal Vector Lock-in Amplifier
基于模拟正交矢量锁定放大的SNMR信号采集系统
Low capacitance measuring instrument based on reference capacitance and lock-in amplifier
基于参比电容和锁定放大的微电容测量仪
color phasing amplifier
彩色信号定相放大器
drift stabilized operational amplifier
漂移稳定的运算放大器
transistor-alpha meter
晶体管放大系数测定器
Amplified circuit. Unidirectional or both-way amplification can be specified.
放大器电路。可指定单向或双向放大。
Sampling frequency and time constant of phase-locked amplifier were increased by using microcomputer.
采用计算机采样，提高了采样频率和锁相放大器的时间常数。