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1)  demodulation [英][di:'mɔdjuleiʃən]  [美][di'mɑdʒə,leʃən]
检波
1.
A demodulation method based on multiplication-Division is designed to work for inductance sensor;and it is different from two common demodulation methods,that is diode or only multiplication ones.
基于乘除法的思想设计了一种针对电感传感器的检波方法,该方法不同于常规二极管与单纯乘法的检波方法。
2.
All circuits of demodulating strong signal envelope are adopted in previous TV′s video demodulation,synchronizing demodulations are widely used in video demodulation in the later integrated TV set.
早期电视机的视频检波均采用大信号包络检波电路,后来在集成化的电视机中,视频检波又都采用同步检波方式。
3.
This article gives an analysis,simulation and comparison of the performance of square demodulation,Hilbert transform,wavelet transform,and nonlinear operator methods in extracting envelope spectrum of ship noise,and comes to the conclusion that their performanes are close.
分析并仿真比较了检波滤波法、希尔伯特变换法、小波变换法与非线性算子法等在提取舰船噪声包络谱中的性能,得出了它们性能接近的结论。
2)  detection [英][dɪ'tekʃn]  [美][dɪ'tɛkʃən]
检波
1.
This paper researches the detection and the solution of the figure signal in the telemetering system.
研究了遥测系统中数字信号的检波和解调,介绍了以PLC为核心的遥测网络系统的相关设计,讨论了该系统的硬件和软件的研制。
2.
Based the multiplication characteristics in analogue multiplier, this article introduces its applied mechanism in many fields such as frequency modulation, phase modulation, mixed frequency, synchronous detection and so on.
本文由模拟相乘器具有的乘法特性出发,介绍其在调频、调相、混频、同步检波、鉴相等诸多领城的应用机理,并以具体的MC1496模拟乘法器为例介绍一些高频电子技术中的实用电路。
3)  detector [英][dɪ'tektə(r)]  [美][dɪ'tɛktɚ]
检波
1.
From the perspective of function, the ALC was composed of modulator (PIN diode), RF amplifier, power divider and detector.
该ALC环路从功能上主要分为调制器(PIN二极管)部分、RF射频信号放大部分、功分检波部分,分别详细地介绍了这几部分的原理和电路。
2.
the low-barrier Schottky diode detector is part of microstrip detector at Ku band,coupling partial signals from transmits in the host wave guide.
对作为功率探针的低势垒肖特基二板管检波器进行了微波特性分析,给出了大信号、小信号情况下的检波特性。
3.
The system is divided into six parts, which are central waveguide, coupling, detector, filter, connection and test results.
本文设计的波导功率传输组件为总装部合同项目,应用于某型号导引头系统中,起到功率的传输、滤波检波及监控作用,其结构包括了主波导传输、耦合机构、检波和滤波部件等。
4)  demodulate [英][di:'mɔdjuleit]  [美][di'mɑdʒə,let]
检波
1.
The sig-nals are pretreated, demodulated, voltage-to-frequency converted and transmitted to mi-croprocessor AT89C2051 to be counted and displayed.
本文介绍的四通道振动巡回监测仪是将传感器输出的信号经前置处理、检波、压频变换后送AT89C2051单片机计数并显示输出。
5)  DET Detection
检波.检测
6)  Square-wave demodulation
方波检波
补充资料:检波器
检波器
amplitude detector

   从调幅波中恢复调制信号的电路。又称幅度解调器。与调制器一样,检波器必须使用非线性元件,因而通常含有二极管或非线性放大器。检波器分为包络检波器和同步检波器。前者的输出信号与输入信号包络成对应关系,主要用于标准调幅信号的解调。后者实际上是一个模拟相乘器,为了得到解调作用,需要另外加入一个与输入信号的载波完全一致的振荡信号(相干信号)。同步检波器主要用于单边带调幅信号的解调或残留边带调幅信号的解调。同步检波器的抗干扰性能比包络检波器优越,但是它的电路比较复杂。随着电子技术的进步,这种解调方法的应用日益广泛。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条