互调

基于2阶低频互调干扰信号的HPA预失真法

A Design of predistortion HPA Using 2nd order Low Frequency Intermodulation Signal

微波GaAsFET功率放大器的一种建模与互调计算方法

A Method of Modelling and Intermodulation Calculation in Microwave GaAs FET Power Amplifier

那两名男子几次互调位置，并且每次交换时都会先灭了灯。

The two men swapped places , always extinguishing the light when they changed over .

基于MATLAB的RF功率放大器互调失真仿真分析

MATLAB Simulating Analysis on IMD of RF Power Amplifiers

高容量SCM光纤通信系统中互调干扰的分析

Analysis of Intermodulation Interference in High Capacity SCM Optical Fiber Communication System

并给出了它们各自三阶互调失真的表达式，最后又对AGC放大器和乘法器进行了分析和比较。

It also analyzes and compare the theory of AGC Amplifier and Multiplier .

CATV系统交调和互调的测试

CATV system intermodulation and cross-modulation interference measurement

系统电磁兼容（EMC）设计中，无线设备间互调干扰是非常严重的一个问题。

Intermodulation interference is a most serious problem in the electromagnetic compatibility ( EMC ) design .

应用Volterra级数分析AlGaAs/GaAsHBT的三阶互调失真

Analysis of an AlGaAs / GaAs HBT 's Third-order Intermodulation Distortion Using Volterra Series

基于粗糙表面模型的MIM结构的三阶无源互调研究

Study of Third Order PIM of MIM Structure Based on Rough Surface Model

DSSS系统中用于软限幅转发器的相关互调分量抵消技术

Counteraction Technology for Correlative Intermodulation Products Based on Soft Iimited Transparent Transponder in DSSS

参量扬声器DSB法的互调失真研究

Sound distortion of DSB method for parametric loudspeaker

VSAT上变频器的杂散、互调干扰分析与电路的优化设计

Analysis on the Spurious and Intermodulation Products and Circuit Optimization of VSAT Up-converter

最后采用反射测量法给出了WCDMA二端口无源互调测量系统框架和相应的参数说明。

At last , measure frame and parameter elucidation of WCDMA two ports PIM system is given by adopting reflected measurement .

交扰调制比CM和载波互调比IM是电缆电视系统非线性的两项主要指标，本文主要讨论电缆电视系统中放大器变调、互调产物的分布及各种产物的内在联系和积累规律。

This peper describes the distribution of crossmodulation and intermodulation originated along the CATV System , as well as the interrelation and accumulation of those nonlinear products .

基于伏特拉级数，本文推导出了描述CMOScascode结构低噪声放大器三阶互调指标的方程。

Based on the Volterra series , expressions describing the third-order intermodulation distortion in CMOS cascode LNAs are derived .

在车载通信系统电磁兼容（EMC）测试中，车载电台间的互调干扰测试是很重要的内容。

In electromagnetic compatibility ( EMC ) testing of vehicle communication system , intermodulation interference between vehicle radio stations is a very important content .

首先，对有干扰时硬限幅条件下窄带系统的互调分量和DS扩频通信系统中的相关互调分量进行了理论分析；

Firstly the theory analysis is done for intermodulation product of narrow band system and coherent intermodulation products of DS spectrum spreading with interference .

对真对数放大器的双音互调特性及其DBF应用进行仿真验证。

Characteristics of dual-tone inter-modulation of the true logarithmic amplifier and its application in DBF were simulated .

理论分析和实验表明，用前馈单环线性化技术对RF功率放大器进行线性化补偿，可以大大提高微波功率放大器的线性度，从而达到减小各谐波和互调分量的目的。

The theoretical analysis and experimental results show that using feedforward single-loop linearization technology can greatly improve the microwave power amplifier linearization to reduce the harmonic and intermodulation components .

其次，分析了WCDMA系统中某发射频段内的PIM效应，并计算了有主要影响的三阶互调频率；

Then , the PIM effect in transmitted frequency of WCDMA system is analyzed and third order PIM frequency is calculated .

由于CDMA、OFDM信号等由数百个、数千个载波信号组成，它们的信号具有非恒定的包络，放大器产生互调失真。

Because CDMA , OFDM signal is made up of the hundreds and thousands signals , the signal has nonconstant envelope , the amplifier results in intermodulation distortion products .

采用两种点源模型描述了移动通信基站设备中的电缆组件的三阶PIM失真特性，接着讨论了移动通信天线的无源互调特性，介绍了移动通信系统无源互调的测量，并进行了初步测量。

PIM distortion generated within cable assemblies in mobile base station is described by applying two point source models .

采用Volterra级数法，分析了包含三种主要非线性源的SIT微波功放的互调失真和增益压缩特性。

Adopting Volterra-series , we analyzed the intermodulation distortion and gain compression behaviors of a SIT microwave power amplifier , in which three main nonlinear sources are included .

由无源器件产生的互调现象通常被称为无源互调（简称PIM）。

The phenomenon of intermodulation generation due to passive components is generally called passive intermodulation ( PIM for short ) .

再次，进行软件模块设计，主要包括LCD驱动和互调应用软件的开发，应用软件划分为硬件接口模块、启动模块、参数配置模块、数据库模块和数据处理和显示模块。

The application software is divided into hardware interface module , start module , parameter configuration module , database module , database module , and data processing and displaying module .

无杂散动态范围被定义为用dB表示的，接收机噪声和两个相等杂散信号的电平的差，这两个杂散信号的互调产物与接收机噪声相等。

It is defined as the difference in dB between receiver noise and the level of two equal spurious signals whose intermodulation products are equal to the receiver noise .

文中还给出了用计算机编程计算出的不会在VHF各频道范围内产生互调产物的可选三信号组合的结果。

Beside the selectable 3 signal combination results that produce no mutual modulation products in every VHF channel are programmed and calculated with computer .

由于高功率微波（HPM）武器的应用和电子系统的复杂化，无源互调（PIM）问题变得日益突出。

Since the application of high power microwave weapons and the complication of electronic systems , the problem of passive intermodulation becomes more important .

指出引起SIT互调失真和增益压缩的主要原因是跨导Gm的非线性，其次是栅源电容C（gs）的非线性变化和漏电导Gd的非线性变化的作用。

It is pointed out that the intermodulation distortion and gain compression of SIT are mainly caused by the nonlinearity of transconductance G_m , then by those of gate-source capacitance C_ ( gs ) and drain conductance G_d in order .