lock-in amplifier

英 [lɒk ɪn ˈæmplɪfaɪə(r)] 美 [lɑːk ɪn ˈæmplɪfaɪər]

网络  锁相放大器; 锁定放大器; 放大器; 锁相放大器实验; 放大技术

化学



双语例句

  1. 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
  2. Design of MRS Signal Collector Based on Orthogonal Vector Lock-in Amplifier
    基于正交矢量放大的MRS信号采集模块设计
  3. Application of lock-in amplifier based on DAQ board and Lab View in scatter light measurement
    基于采集卡和LabView的锁相放大技术在散射光测量中的应用
  4. Design of the lock-in amplifier for PLC
    一种适用于PLC的锁定放大器设计
  5. According to the operating principle of the lock-in amplifier the experimental method of measuring the weak signals using the lock-in amplifier is presented.
    根据锁定放大器的工作原理,提出了利用锁定放大器检测微弱信号的实验方法,并指出了影响测量的几个参数。
  6. 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
  7. 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
  8. 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
  9. Design of a Lock-in Amplifier Circuit and Its Application in a Trace Gas Sensor
    用于痕量检测微弱信号提取的锁相放大电路设计及实现
  10. This paper describes a method of suppressing correlation jamming at the frequency of reference signal which cannot be suppressed by lock-in amplifier and Boxcar integrator.
    锁定放大器和取样积分器都不能抑制与参考信号同频率的干扰。本文提出了一种能抑制这种干扰的方法。
  11. A test system with a lock-in amplifier is constructed to detect the output signal of the sensor.
    针对传感器的弱电流输出信号,建立了基于锁相放大器的测试系统对两种传感器的输出信号进行检测。
  12. Experimental Study of Harmonics Detection by Use of A Digital Lock-in Amplifier
    利用数字锁相放大器进行谐波探测的实验研究
  13. Digital Lock-in Amplifier Based on DSP and Sampling ADC
    一种基于DSP和采样ADC的数字锁定放大器
  14. To detect infrared signal, a novel electric modulation method and a lock-in amplifier technology are used to improve signal-noise ratio.
    红外信号检测电路采用了一种新颖的电学调制和锁相放大技术,实现了提高检测信噪比的目的。
  15. Heterodyne Lock-in Amplifier and Application in STM
    外差锁定放大技术及在STM中的应用
  16. A digital lock-in amplifier ( DLIA) is advanced based on the scheme of orthogonal digital phase-sensitive detector ( DPSD), which is applied to optical monitor system ( OMS) instead of traditional analog lock-in amplifier.
    提出了采用双相正交数字相敏检波(DPSD)方案设计数字锁相放大器(DLIA)代替传统模拟锁相放大器,并应用到了真空镀膜光学监控系统(OMS)中。
  17. This radiometer mainly consisted of optical system, fine mechanical modulator, dual channel infrared detectors, lock-in amplifier, A/ D conversion device and monolithic processor, etc.
    该辐射计主要由前置光学系统、精密机械调制器、双路单元红外探测器、锁相放大器、A/D转换器和单片机等组成。
  18. A computer controls the whole process of measurements by communicating with the lock-in amplifier via RS232 interface.
    计算机通过RS232接口与锁相放大器通信,控制测量的全过程。
  19. 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。
  20. Research on experimental method of measuring weak signals using the lock-in amplifier
    利用锁定放大器测量微弱信号的实验方法研究
  21. Some key techniques for the detection electronics, including weak signal detection employing self phase-tracking lock-in amplifier, are analyzed.
    着重对传感器信号检测部分的电路进行了分析和研究,采用了相位自跟踪锁定放大技术进行微弱信号检测;
  22. The optical signal was amplified by a lock-in amplifier.
    光信号用锁定放大器放大,进行动态测量。
  23. The signal is collected and amplified by the signal collection system, which consists of a photodetector and a lock-in amplifier.
    信号采集系统由光电探测器和锁相放大器组成,其功能是对测量信号进行提取和放大。
  24. Using diode laser as light source, we design a plane-concave cavity. Scanning of the cavity is performed, and the resonant cavity is locked by the feedback of lock-in amplifier, and then cavity enhancement is achieved.
    以半导体激光器为光源,构建了平凹腔,对光学谐振腔进行了扫描,同时利用锁相放大器实现了对腔的伺服控制,把谐振腔锁在共振峰上,从而实现了腔内增强。
  25. Generally, GMR biosensor is composed with GMR sensor, chip of lock-in amplifier and immune magnetic remarks.
    通常,GMR生物传感器由免疫磁性标记、GMR传感器芯片和以锁相放大器为核心的检测输出电路等三部分组成。
  26. The major work completed in the thesis was summarized as following: 1. The effect mechanism of modulation parameters and lock-in amplifier parameters on detecting signals was researched based on the TDLAS modulation theory.
    主要的工作内容包括以下四个方面:1、系统参数优化:基于TDLAS的调制理论,对调制参数和锁相参数在系统运行中的功能和影响信号的机理进行研究。
  27. Designed and generated the modulation signal for the quasi-continuous semiconductor laser and the reference signal for the lock-in amplifier using a function generator, so the laser can be tuned automatically and continuously at large range.
    基于函数发生器设计编制了准连续二极管激光器的调制信号和锁相参考信号,实现了激光器在准连续工作模式下波长大范围自动连续调谐。
  28. Modulation of the laser line based on the number lock-in technology design center frequency of 110 Hz lock-in amplifier, receiver signal demodulator.
    对入射光线调制,基于数字锁相技术设计中心频率110Hz锁相放大器,对接收信号进行解调。
  29. Theories about correlation detection and lock-in amplifier are studied. An analog signal processing system and an embedded digital signal processing system for optical fiber sensors are developed, which modulate and drive the light source stably and realtime demodulate the receiving signals.
    研究了相关检测理论和锁定放大技术,开发了光纤传感器的模拟信号处理系统和嵌入式数字信号处理系统,实现了性能稳定的光源调制驱动和接收信号的实时高精度解调。
  30. By using CCS of TI software development platform, I researched the digital filter and digital lock-in amplifier technology on the theoretical basis of Weak Signal Detection.
    利用TI公司软件开发平台CCS,以微弱信号检测为理论基础,研究了数字滤波器、数字锁定放大器技术,最终实现了性能稳定的光源驱动单元以及光纤氢气的信号检测系统。