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1)  multi-channel lock-in amplifier
多路锁相放大器
2)  lock-in amplifier
锁相放大器
1.
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
2.
Study on Key Technique of Digital Lock-in Amplifier;
数字锁相放大器关键技术研究
3.
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。
3)  phase-locked amplifier
锁相放大器
1.
Serial Communication Design Between SR830 phase-locked amplifier and PC Based on VB;
基于VB的SR830锁相放大器与PC机间串行通讯设计
4)  Lock in amplifier
锁相放大器
1.
The Measurement of Thermal Resistance of the Thermistor with Lock in Amplifier;
用锁相放大器测量热敏电阻的温度特性
2.
Based on the virtual instrument design platform LabWindows/CVI, We develop the lock in amplifier for programming control that has the automatic adjustment function of test parameter, using DAQ card and lock in amplifier module.
基于PC机和LabWindows/CVI ,采用自制数采卡和LIA MV 15 0锁相放大模块 ,研制了一种用于微弱光信号测量的程控锁相放大器。
3.
Some interfaces of PE 7265 lock in amplifier, such as RS232, ADC1, ADC2, ADC3 and CH1, are developed and applied to the side axis spectrum of He Ne laser.
针对 He- Ne激光器旁侧光谱实验 ,开发了 PE- 72 6 5锁相放大器的 RS2 32 ,ADC1,ADC2 ,ADC3及 CH1等接口 ,并将这些接口应用于该实验 ,得到了较好的实验结
5)  digital lock-in amplifier
数字锁相放大器
1.
Design of digital lock-in amplifier in resonator fiber optic gyro;
谐振式光纤陀螺数字锁相放大器设计
2.
In order to improve the precision of detection signal and predigest the constructive circuit of digital lock-in amplifier(DLIA),oversampling was applied in DLIA and a quick algorithm was presented to deal with the problem of a mass of data caused by oversampling in this paper,which reduced data memory largely and promoted the speed of operation rapidly.
为了提高信号的检测准确度,简化数字锁相放大器(digital lock-in amplifier,DLIA)的构建电路,将过采样技术应用到DLIA中;并对过采样引发的大存储量和大运算量问题,提出一种算法,从而有效地减小了数据的存储量和运算量。
3.
This review gives an introduction to the principle, character and development of the analog and digital lock-in amplifier.
主要介绍了模拟锁相放大器和数字锁相放大器原理、特点、过渡和发展过程。
6)  Dual phase lock-in amplifier
双锁相放大器
补充资料:锁相放大器
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性质:又称锁相放大器,是一种采用相敏检波器的交流电压表。它可分为三个主要部分:信号通道,低通滤波器和参考通道。它只检出与输入信号同频、同相的信号(包括噪声)。由于噪声的随机性,具有同频、同相噪声的可能性很小,因而大幅度降低。在电化学测量中,它常用来检测微弱信号,广泛应用于交流阻抗法、原位光谱法、极谱法等测量;对于半导体光电化学的研究也是不可缺的工具。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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