audio frequency intermodulation distortion

For weak nonlinear distortion, the expressions of total harmonic distortion (THD), the second order intermodulation distortion(IM2 ), the third order intermodulation distortion(IM 3) and intercept point(IP 3) are deduced.

针对弱非线性失真 ,推导了总谐波人 ( TH D)、二阶互调失真 ( IM2 )、三阶互调失真 ( IM3)和截点 ( IP3)的表达式 ,借助于 Multisim软件 ,对晶体管共发放大器、发射极带反馈电阻的失发放大器、差分放大器和发射极间带反馈电阻的差分放大器进行了仿真 ,并与理论结果作了比较 ,结果令人满意。

Because the system uses non-linear characteristic Mach-Zehnder intensity modulator,when used in multisubcarrier frequency modulation system,there will be high order intermodulation distortion,which disturbs the information extraction and demodulation.

指出了光学倍乘法由于系统中采用具有非线性特征的马赫-泽德尔强度调制器,利用多个副载波频率的调制信号进行联合调制时易产生高阶互调失真,会对信息的提取和解调造成干扰,对其提出了改进的建议,仿真实验表明:改进后的系统,消除了高阶互调失真的影响,改善了系统性能。

Introducing two intermodulation distortion and the test method of receiver.

介绍接收机存在的两种互调失真及其测试方法,针对最新数字超短波接收机的技术特点,提出一种实用的三阶截点测试方法,并分析该方法的测试原理。

Sound distortion of DSB method for parametric loudspeaker

参量扬声器DSB法的互调失真研究

A Comprehensive Analysis and Simulation of IMD in RF Power Amplifiers;

射频功率放大器互调失真的综合分析与仿真

Measurements of the electrical properties of transmitting tubes-Methods of measuring the inter-modulation distortion of a three tone signal

GB/T3789.27-1991发射管电性能测试方法三音互调失真的测试方法

Measurements of the electrical properties of transmitting tubes-Measuring methods of dual tone inter-modulation distortion of linear amplifier tubes

GB/T3789.24-1991发射管电性能测试方法线性放大管双音互调失真的测试方法

The intermodulation distortion between the strings is virtually eliminated.

琴弦之间互相调节的失真已经基本上被消除了。

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

基于2阶低频互调干扰信号的HPA预失真法

Amplification of linear modulation schemes,( which exhibit fluctuating envelopes), by high power amplifiers invariably leads to the generation of distortion and intermodulation products.

用高功率放大器放大线性调制信号(络波动变化),必然会产生失真和互调成分。

distortion factor of square-law demodulator

平方律解调器失真因数

Implement Interactive Instant Simulation in CAI Courseware by Calling Matlab;

CAI课件调用Matlab实现交互式即时仿真

Reseach on AGC regulation simulation for interconnected two-area hydro power system

两区域水电互联系统AGC调节仿真研究

Prevention of Distortional Assessment of Officials;

关于防止干部考察失真失实的调查与思考

The volume level should not be turned up to the point of distortion.

请不要把音量电平调到高于失真点。

To reduce(the amplitude of an electrical signal)with little or no distortion.

减弱讯号在失真极小或不失真的情况下减弱（调幅或电子讯号）

Research on Complete Complementary Sequence and Moudulation and Simulation Methods of Polyphase Orthogonal Sequence;

完全互补序列及多相正交序列调制仿真的研究

Development of Dynamic Simulation System for Frequency Regulation of Interconnected Power Grids

互联电网频率调节动态仿真系统的研制

THE INFLUENCE OF FM CHANNEL LINEAR DISTORTION ON GROUP-FREQUENCY SIGNALS

调频通道的线性失真对群频信号的影响

Computation and Simulation of Misaligned Optical System in Vibration Environment by Using Quaternion Method;

振动失调光学系统的四元数计算方法与仿真

An Analysis on Questionnaire of Accounting Information Distortion In Family Firms;

民营企业会计信息失真的问卷调查分析