检波

8mm波导同轴转换和波导功率传输及检波技术研究同轴线收发转换装置

Research of 8 Millimeter Waveguide to Coaxial Convert , Power Transmit and Detect Technology ; duplexer of coaxial line system

根据实际传感系统的要求，本文对利用Morlet小波变换进行包络检波的算法做了改进，并重新设计了整个信号处理的实现方案。

Thus , we have improved the algorithm using the Morlet Wavelet Transform to detect the envelope of the signal in some aspects , designed the whole realization scheme of the signal processing over again .

检波是国家安全的重要组成部分。

Detection is an integral part to national security .

检波技术在超高频PD信号提取中的应用研究

Application of envelope detection technique to extraction of UHF PD signals

提出了一种用于中频数字式自适应增益控制（Automaticgaincontrol，AGC）环路的高效数字检波方法。

This paper investigates a highly effective digital demodulation technique used in digital automatic gain control ( AGC ) .

反馈回路主要由分压电路，有效值检波电路和AD转换电路三部分组成。

Feedback loop consists of a voltage divider , an effective value demodulation circuit and an AD converting circuit .

检波对数视频放大器（DetectorLogarithmicVideoAmplifiers）是测量高速微波脉冲的重要部件。

Detector Logarithmic Video Amplifiers ( DLVAs ) are the key components in measuring high speed microwave pulses .

正交相干检波的多相滤波法及其CPLD实现

Research and Implementation with CPLD of Polyphase Filtering in Quadrature Coherent Detection of IF Sampling

用于中频数字AGC环路的高效检波方法

Highly effective digital demodulation technique used in digital AGC

PAL识别、消色检波电路的研究与调试

The Adjustment of PAL Discrimination and Colour Killer Detection Circuit

并分析数字正交检波方法的实现中，ADC对结果的影响。

Besides , the influence of ADC is also analyzed to the digital quadrature detector .

其中，数字AGC的检波算法和控制算法在CPLD中实现。

The digital demodulation algorithm and the AGC control algorithm to achieve in the CPLD .

局部放电UHF信号检波及其仿真

Simulation on the Application of Detection Technique to Detecting UHF PD Signals

采用LED作为光源，利用可调谐法布里-珀罗腔的选频特性进行检波，并采用谐波检测，大大提高了检测的灵敏度。

With the frequency-selecting property of tunable Fabry-Perot Cavity , using LED as light source , the detection sensitivity has been greatly improved by harmonic measurement .

Ka波段双极化直接检波式全功率辐射计研究

Research on Ka-band Dual-polarization Direct Detection Total Power Radiometer

数字AGC算法主要分为数字检波算法和衰减量控制算法两部分。

The Digital AGC algorithm includes digital detection algorithm and control algorithm for the attenuation .

变检波点距VSP资料的抽道分组波场分离方法

Trace-gathering wave field separation of VSP data collected using different geophone intervals

试验研究结果表明，从检波脉冲随相位分布特征可识别GIS中的局放类型。

The experimental results demonstrate that the type of GIS partial discharge can be identified by the distribution characteristic of the demodulation pulse with the phase .

采用集成有检波器件的LD组件，设计了高精度的激光波长稳定系统。

An ultrahigh wavelength stabilization was designed by adopting a new integrated semiconductor LD module with a wavelength-monitor .

并且使用两片FIFO交替写入数据的方式，为在DSP中实现数字正交检波提供了便利。

The method of data written alternatively with two FIFO chips offers convenience to realize digital quadrature detection in DSP .

基于Morlet组合小波的梳状滤波与包络检波方法

A comb-filter and envelope-demodulation method based on combined Morlet wavelets

由准同步视频检波的特点及其存在的问题引出锁相环（PLL）完全同步视频检波电路。

The PLL full synchronization video detector circuit is educed by feature and troubles of quasi - synchronization video detector .

本文描述了一台无调场直接检波式0.2微秒高时间分辨率的ESR谱仪的设计与研制。

A 0.2 μ s time resolution ESR spectrometer with direct detection and with-out magnetic field modulation is described in this paper .

本文采用陷波、数字相敏检波、基于多分辨率分析的硬阈值去噪算法和FFT、频率校正等算法，估计出回波信号中调制信号的主频。

Algorithms such as notch filtering , digital phase detection , denoising with hard threshold based on multiresolution analysis , FFT , and rectifying frequency etc.

提出了采用数字式正交检波技术得到I、Q通道的方法，以此来测量相位，获取传感信息，很好地解决了在无线声表面波传感器测量系统中测量时间差精度低的问题。

In order to solve the problem of low accuracy in measuring time difference in SAW based wireless sensor system , a method of digital quadrature demodulation is presented .

利用MonteCarlo技术估算静校正时总会出现零空间现象，即炮点静校正量或检波点静校正量作相同时移。

In statics estimation using Monte Carlo technique , there always occurs null space phenomenon , namely equal time shifts for shot-point static correction or receiving-point static correction .

介绍了检波原理及其在超高频（UHF）局放检测中的应用。

The principles of detection technique and it 's application to detect PD signals at ultra-high-frequency ( UHF ) are introduced .

阐述了PLL完全视频检波电路的工作原理及其特点，并结合实际电路进行了分析。

The operating principle and feature of PLL full synchronization video detector circuit is described , and it is analysed by reality circuits .

8mm波段直接检波式接收机研究

Mm - band direct detection receiver

在晶体管（transistor）发明以前，三极检波管是所有收音机、电话、电视机和计算机系统的基本组件。

The Audion became the key component of all radio , telephone , radar , television , and computer systems before the invention of the transistor .