[通讯编程] 程序
1、基带码型仿真
（1）通过仿真观察占空比为50%、 75%以及100%的单、
双极性归零码波形以及其功率谱，分析不同占空比对
仿真结果的影响。
（2） 通过仿真产生一随机消息码序列，将其分别转换为
AMI码和HDB3码，观察它们的波形及其功率谱密度。
2、数字带通调制系统仿真
设计一个采用2ASK（ OOK） 调制的数字通信系统：
产生二进制随机数据，并仿真其对应的2ASK调制波形，
分析其频谱。所产生的调制波形加入不同信噪比的白噪声，
选取合适的接收方案，画出系统误码率曲线，并与理论误
码率进行对比。
1.Baseband pattern simulation
2. Simulation of digital band-pass modulation system (2020-01-08, matlab, 5KB, 下载9次)
[通讯编程] tirextly-program-Bnrz
bnrz仿真程序,可以直接生成波形~使用M文件
Bnrz simulation program, you can directly generate waveforms ~ using M fil (2019-03-26, MultiPlatform, 49KB, 下载0次)
[通讯编程] LFM_BC
一种基于LFM和Barker码复合调制的雷达波形，理论上分析了该低截获雷达波形的组成。通过仿真得到复合调制信号的时域波形、频谱图和模糊函数图，与LFM信号和Barker码信号对比分析对复合调制雷达信号的距离和多普勒模糊函数、截获因子等进行了研究。
A radar waveform based on LFM and Barker code modulation is presented. The composition of the waveform is analyzed theoretically. The time domain waveform, spectrum and ambiguity function of the compound modulation signal are obtained by simulation. The range and Doppler ambiguity function and interception factor of the compound modulation radar signal are studied by comparing with LFM signal and Barker code signal. (2018-11-23, matlab, 99KB, 下载56次)
[通讯编程] DSB调制
DSB调制与解调，基带信号和载波信号经过DSB调制得到DSB时域波形及频谱后加噪，再经过带通滤波器，乘以载波解调，低通滤波后得到还原的信号。
DSB modulation and demodulation, baseband signal and carrier signal are modulated by DSB to get DSB time domain waveform and spectrum, then noise is added, then band-pass filter is multiplied by carrier demodulation, low-pass filter is used to get the restored signal. (2018-11-03, matlab, 1KB, 下载2次)
[通讯编程] wakeformsystem
访真了高频系统的调制解调,并有波形显示,
The modulation and demodulation of the high frequency system and the waveform display. (2018-07-30, Visual Basic.NET, 22KB, 下载0次)
[通讯编程] 相控天线方向图
实现相控阵雷达天线波束的形成，可以清楚地看到随相位变化的波形能量分布。
To achieve the formation of phased array radar antenna beam, we can clearly see the waveform energy distribution with phase change. (2018-06-29, matlab, 12KB, 下载37次)
[通讯编程] 通信原理编码
HDB3码在MATLAB中的.M文件仿真实现，附有波形图片生成代码，已运行过
THE HDB3MA OF MATLAB (2018-06-07, C/C++, 59KB, 下载1次)
[通讯编程] CP0201
>函数2.4（ppm次调制）
CP020102PPMyth.m
>函数2.5（脉冲整形器）
CP0201L波形M
>函数2.6（PPM TH发射机）
CP0201L发射机2ppm×m
Function 2.4 (PPM-TH modulation)
cp0201_2PPM_TH.m
Function 2.5 (Pulse shaper)
cp0201_waveform.m
Function 2.6 (PPM-TH transmitter)
cp0201_transmitter_2PPM_TH.m (2018-06-07, matlab, 2KB, 下载1次)
[通讯编程] 117317
在MATLAB中对超宽带波形设计中产生其前十五阶导数的仿真程序及多径传播的仿真程序 (2018-04-18, matlab, 3KB, 下载1次)
http://www.pudn.com/Download/item/id/1523998541828760.html[通讯编程] bd
依据卫星导航原理，通过Intel接口控制产生37颗北斗卫星对应的PRN（B1I）码。系统时钟10.023MHz
According to the principle of satellite navigation, the PRN (B1I) code corresponding to the 37 Beidou satellites is generated by the control of Intel interface. System clock 10.023MHz (2017-10-11, Verilog, 500KB, 下载2次)
[通讯编程] OFDM_PSL
计算OFDM信号的峰值旁瓣电平（PSL）以及隔离度（I）的程序，改变信号形式可以得到任意波形的PSL和I。
Calculate the peak sidelobe level (PSL), as well as the isolation of the OFDM signal (I) procedure, to change the signal form of arbitrary waveform PSL and I can be. (2012-04-26, matlab, 1KB, 下载139次)
[通讯编程] 2FSK
2FSK仿真演示系统，可以任意输入码字序列，和载波频率，动态产生调制波形。可以清楚的看到整个调制解调过程的时域及频域的波形。
Simulation demo system 2FSK, can enter the code word sequence, and the carrier frequency, modulation waveform is dynamically generated. Can clearly see the time domain and frequency domain waveforms of the modulation and demodulation process. (2012-04-26, matlab, 37KB, 下载12次)
[通讯编程] Ch3_2_DSB_SSBplusNoise
通过matlab编程实现了通信原理中的双边带幅度调制（DSB)，并画出了波形。
This source code can realize the DSB mudulation in Communication Principles. (2012-04-20, matlab, 1KB, 下载2次)
[通讯编程] dtmf
基于ht9200与ht9170的DTMF信号的发生于接收
To send and receive DTMF signal basic on the ht9200 and ht9170 (2011-11-08, C/C++, 2KB, 下载13次)
[通讯编程] GMSK
GMSK调制的实现，作者写的很不错，值得分享
GMSK Modulation (2010-03-02, PDF, 887KB, 下载78次)
[通讯编程] dds
直接序列扩频码的仿真，介绍了通过PN码实现扩频系列的设计和运用
Simulation of direct-sequence spread-spectrum code, introduced by PN code to achieve the design and use of spread spectrum (2010-01-19, Visual C++, 5KB, 下载7次)
[通讯编程] ds
直序扩频系统的matlab仿真，可以让读者清楚的了解扩频通信的概念以及波形效果
DSSS matlab simulation system that allows readers a clearer understanding of the concept of spread spectrum communication, as well as the effect of waveform (2008-12-13, matlab, 4KB, 下载141次)
[通讯编程] NRZI
NRZI仿真程序,可以直接生成波形~使用M文件
NRZI simulation procedures can be directly used to generate waveforms ~ M documents (2008-05-28, matlab, 70KB, 下载27次)
[通讯编程] dfsdfgsdtgregdfs
ＯＦＤＭ程序 波形如下
子载波数 128
％ 位数/ 符号 2
％ 符号数/ 载波 100
％ 训练符号数 0
％ 循环前缀长度 8 (1/16)*T
％ 调制方式 4-QAM
％ 多径信道数 3
％IFFT Size 128
％ 信道最大时延 2
OFDM waveform procedures following subcarriers median number of 128%/2% Symbol Symbol/Carrier 100% Training a few symbols 0% cyclic prefix length 8 (1/16)* T% modulation 4-QAM% multi-path channel number 3% IFFT Size 128% maximum delay Channel 2 (2007-06-12, matlab, 4KB, 下载27次)
[通讯编程] ppd
发射波形是矩形波，调制方式是DBPSK调制，采用非相干解调。
rectangular wave is launched wave modulation is DBPSK modulation, the non-coherent demodulation. (2007-06-11, Visual C++, 1KB, 下载13次)