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300 km 传输线和功率补偿仿真
The circuit below represents an equivalent power system feeding a 300 km transmission line. The line is compensated by a shunt inductor at its receiving end. A circuit breaker allows energizing and de-energizing of the line. To si
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this program is to calculate the efficiency losses and transfered power of overhead transmission line power at various PF's and lengths
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产生一段随机四进制信号，对其进行QAM调制后，送入加性高斯白噪声信道传输，用加法运算在已调信号叠加白噪声，模拟加性高斯白噪声信道对信号传输的影响，在接收端对信号进行相应解调，并与原始信号比较计算误码率。改变误差白噪声的功率，绘制信噪比与误码率曲线。并与同组其他同学的性能曲线比较各种调制方式的性能优劣。-For some randomly generated four-band signal, after its QAM modulation, into the additive white Ga
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本仿真程序对一串二进制信息进行QPSK调制，并画出其波形图和功率谱，在某种无线AWGN信道上进行传输，然后并在接收端进行解调，最后画出其误符号性能曲线-The simulation program for a string of binary information in QPSK modulation, and draw the waveforms and power spectrum, in some wireless AWGN channel for transmission, and t
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M-file for Project 1 on line parameters and circuit models
in Chapter 3
m1.m determines the RLC parameters of the line from its physical
descr iption and then computes
the ABCD matrix and the circuit parameters of the
series RL,
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根据软件无线电的思想，提出了一种新颖的数字信号处理算法，对QPSK信号的相位进行数字化处理，从而实现对QPSK信号的解调.该算法允许收发两端载波存在频差，用数字锁相实现收发端载波的同步，在频偏较大的情况下，估算频偏的大小，自适应设置环路的带宽，实现较短的捕获时间和较好的信噪性能。整个设计基于XILINX公司的ISE开发平台，并用Virtex-II系列FPGA实现。用FPGA实现调制解调器具有体积小、功耗低、集成度高、可软件升级、扰干扰能力强的特点，符合未来通信技术发展的方向。-According
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本程序实现了对无线电覆盖的3D仿真，包括反射效应的2D模拟以及基于接收端与发射端距离的功率衰减。并实现基于Matlab的3D仿真。-The program 3D simulation of radio coverage, including 2D simulation based on the receiving end and the transmitter end distance power attenuation of the reflection effect. And to achi
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这是一个非正交环境下的程序，两个用户分在一个子载波内，通过分配不同的功率，才接受端采用SIC进行信号消除。-This program is a non-orthogonal environment, within a two-user subcarrier, by allocating different power, only the receiving end of the signal to eliminate the use of SIC.
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本程序主要将现在比较常用TX1300遥控器进行解码,将解码后的数据通过P2端//
//口的数码管显示出来,为了更好的看到运行过程,特加了三个指示灯用来指示当 //
//前运行状态.P10主要用来闪亮,表示程序正在运行,P11则用来表示接收到数据, //
//P12表示触发内部的定时器操作.P13的闪亮表示正确接收完一个数据. //
// 程序运行效果: 打开本机电源开关,可以看到P10不停的闪动,按下遥控器的数//
//字键,数码管则显示相应的数字键(1-9).可以看到P11
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在空间为1.5*1.5*2.5m的空间内，对接收端进行接收功率谱分布的分析-In the space of 1.5* 1.5* 2.5m inner space of the receiving end analyzes the received power spectrum distribution
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EXAMPLE CASE:
VSC Transmission with AC transmission characteristics based on a simple 6-pulse STATCOM example provides up to 75 MW power to the ac receiving end system, DC voltage - 110kV
- Rectifier
Controls power as a function of phas
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