相敏检波,phase sensitive detection英语短句,例句大全

相敏检波,phase sensitive detection
1)phase sensitive detection相敏检波
1.Aimed at long detection distance and heavy noise disturbance in the long-distance-coefficient infrared thermoscope,a new digital phase sensitive detection method for weak signal was proposed.根据相关检测原理,设计了由模拟开关和低通滤波器组成的模拟相敏检波电路,并对此电路的噪声抑制特性进行了分析。
2.The data acquisition system of the digitally transformed thread s half angle measuring instrument has been strongly introduced The switch phase sensitive detection circuit has been designed to demodulate the sensors output signal.在简要介绍螺纹半角测量仪使用的基础上,说明了螺纹半角测量仪数字化改造的必要性;重点介绍了螺纹半角测量仪数字化改造后数据采集系统的设计;采用开关式相敏检波电路对磁栅传感器和电感测头的输出信号进行解调,在此基础上设计出以单片机为核心,以AD1674和7266为辅助功能单元的数据采集系统,并且给出相应的程序,从而实现对螺纹半角测量仪的数字化改造,提高了其测量精度。
3.PSD(phase sensitive detection) is applied to pick up the signal of cracks and restrain interferential signal.利用相敏检波(PSD)技术拾取裂纹信号,并用X-Y正交化分解技术对缺陷进行定量分析。

英文短句/例句

1.Digital psk applied in nondestructive inspection数字移相相敏检波在涡流无损探伤的应用
2.High-speed,high-precision digital phase-sensitive detector design for electrical impedance tomography电阻抗成像中高速高精度数字相敏检波器设计
3.Phase-sensitive technology and its application in complex resistivity logging tool相敏检波技术及其在复电阻率测井仪中的应用
4.Research on Micro Capacitance Sensor and Phase Sensitive Detector Based on Pendulous Gravimeter基于摆式重力仪的电容测微相敏检波器研究
5.Analysis and Design of Phase Sensitive Detector in Atmospheric Electric Field Mill大气电场仪中相敏检波器的分析与设计
6.Method for Impedance Detection and Compensation Technique Based on DPSD基于数字相敏检波的恒流源输出阻抗检测及补偿技术实现
7.Research of triaxial induction logging signal processing method based on phase sensitivity demodulation.基于数字相敏检波的三维感应测井信号处理方法研究
8.Differential transformer-type sensor in the phase-sensitive detection circuit to improve the research差动变压器式传感器中的相敏检波电路的改进研究
9.triaxial hydrophone system三轴压敏检波器系统
10.Sensitivity analysis of millimeter-wave direct-detection radiometer毫米波直接检波式辐射计灵敏度分析
11.coherent echo modulation and detection相干回波调制与检波
12.coherent light detecting and ranging相干光检波与测距系统
13.phase-locked detection相位同步[锁定]检波
14.Sensitivity Analysis of Crack Detection in Beams by Wavelet Technique;基于小波技术的梁体裂缝检测灵敏度分析
15.Phase-Matched Filter: Application to the Identification of Surface Waves;相位匹配滤波器在面波检测中的应用
16.Digital Intermediate Frequency Quadrature Coherent Detection System Based on Polyphase Filtering基于多相滤波的数字中频正交相干检波系统
17.Solution Exploration of Supervision and Inspection of Broken Track or Track Lead of 25Hz Series Track Circuit25Hz相敏轨道电路断轨(断线)监督检查方案的探讨
18.Study on Harmonic Current Detecting and Controlling of Three- Phase Shunt APF并联型三相有源滤波器谐波电流检测控制研究

相关短句/例句

phase sensitive demodulation相敏检波
1.The main functions of its softwareare implemented for producing AC signals,phase sensitive demodulation,divided signals and linearization.针对以往光纤气体传感器模拟信号处理电路的不足,基于DSP芯片TMS320F2812设计并实现了一种嵌入式光纤气体传感器信号处理系统;重点描述了硬件实现方法及其软件开发,其硬件主要由接口电路、高精度运放器OPA139P,32位高性能定点DSP(数字信号处理器)TMS320F2812和D/A转换芯片DAC7625组成;软件部分的主要功能是产生交流信号,完成两路输入信号滤波,相敏检波,相除、线性化处理等工作。
3)phase-sensitive detection相敏检波
1.The system is based on a laser-diode pumped Nd:YAG microchip laser,and it is comprised of a frequency-shifted laser feedback interferometer,a frequency-modulated microchip laser based on pumping modulation and a phase-sensitive detection device.该测量系统包括移频回馈干涉光学系统,基于泵浦调制的微片激光器调频系统和相敏检波信号处理系统3部分。
2.The system of battery supervising and measuring synthesizes many advanced technologies, such as power electronics, small signal measurement, phase-sensitive detection, lock-in amplification, computer control and so on.蓄电池监控系统将电力电子技术、小信号测量技术、相敏检波技术、锁定放大技术及计算机控制技术结合起来,本文采用了高性能的Motorola32位单片机MC68332作为控制核心,使用了大屏幕汉化液晶作为显示界面,采用单片机抗干扰技术、数字滤波算法以及压频转换电路等作为抗干扰措施,使系统不仅具有测量准确、功能强大、操作简单、全中文显示等特点,还有较强的抗干扰能力、可靠性高等特点。
3.The often used technology is the phase-sensitive detection.电法测井仪器在进行信号检测时,需要得到与被测量信号的幅度成线性关系的直流信号,常用的手段就是相敏检波技术。
4)phase sensitive detector相敏检波
5)phase-sensitive detector相敏检波器
6)phase sensitive detector相敏检波器
1.This paper presents a new type of phase sensitive detector which consists of two sample and hold integrated circuits and a differential amplifier.本文提出一种新型相敏检波器,它是由两个集成采样保持器和一个差分放大器组成,附加的转换电路使得这种相敏检波器可以被正弦参考信号控制。
2.In order to solve the problems of distinguishing polarity of the electric field in atmospheric electric field exploration,a new phase sensitive detector is designed,which is composed of electro-optical switch,quad analog switch and amplifier.针对大气电场探测中电场极性的鉴别问题,基于传统相敏检波理论,结合大气电场仪探头的结构特点,设计了一种由光电开关、四通道模拟开关和运放构成的相敏检波器。