1、

Based on a certain pattern, this paper discusses the design guide line and concrete implementation scheme of a general-purpose PD missile header target simulator. Some pivotal techniques are emphasized, including broad-band receiving, SSB modulation of video-frequency echo, and high precision power attenuation.

叙述了基于某型PD导引头的通用目标模拟器的设计思路和具体实现方案,着重介绍了系统中所应用的宽带接收、视频回波的单边带调制和高精度功率衰减技术。

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2、

Ultrasonic Velocity and Attenuation of Tightening Screw in Nuclear Power Plant

核电紧固螺栓的超声速度和衰减

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3、

Low voltage power line is a time-varying system of complex network structure, whose hostile channel properties such as very low impedance, instability channel frequency, strong noise pollution, attenuation and time-variance must be considered.

低压电力线是网络结构复杂的时变系统,其信道表现出阻抗变化大、信道频率特性不稳定、信号所受干扰强和时变性大等特点。

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4、

The power line channel noise is simulated by MATLAB and the attenuation is simulated through the channel transmission module of FIR filter.

利用MATLAB及用FIR滤波器做信道的传输函数模型对信道噪声和复衰减特性分别进行了建模。

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5、

This paper puts forward several methods of rainfall attenuation compensation and gives the systematic principle figure of go up trip power control.

提出几种补偿雨衰的方法,给出了上行功率控制法的系统原理图。

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6、

Nonlinear L_2 gain disturbance attenuation control for multi-machine power system excitation

多机系统励磁的非线性L2增益干扰抑制控制

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7、

Gravity Attenuation Control for a Power-assisted Wheelchair Based on Human's Locomotion Control

基于人类运动控制的用于电动辅助轮椅的重力抑制控制方法

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8、

Products include microwave attenuation film, microwave power divider, thin-film substrates, precise resistor network ( Chip).

微波衰减片、微波功分器、薄膜基板、精密电阻网络(芯片式)。

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9、

Based on the Fourier transform analysis of saw tooth signal frequency modulation, the concept of power spectrum spread attenuation factor in the case of barrage jamming is presented.

首先通过对锯齿波调频的傅里叶变换,提出了阻塞式干扰下功率谱扩展衰减因子概念;

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