线性调频用于雷达波形设计，方便简单，实用性非常高
linear frequency modulation (2020-06-02, matlab, 1KB, 下载1次)
matlab仿真2ask和4ask.可观察信号的时域波形和频谱图。
Matlab simulation 2ask and 4ask. Can observe the signal time domain waveform and spectrum. (2017-04-17, matlab, 1KB, 下载14次)
滤波器的程序滤波器的程序滤波器的程序滤波器的程序
failed to translate (2013-05-02, matlab, 43KB, 下载7次)
通信原理课程中基于MATLAB的2ASK、2FSK、2PSK的波形产生和功率谱分析仿真。
Communication Theory course based on MATLAB 2ASK, 2FSK, 2PSK waveform and power spectral analysis and simulation. (2013-04-17, matlab, 320KB, 下载10次)
1）选择一个语音信号作为分析对象，或录制一段语音信号； 2）对语音信号进行采样，画出采样前后语音信号的时域波形和频谱图； 3）利用MATLAB中的随机函数产生噪声加入到语音信号中，使语音信号被污染，然后进行频谱分析； 4）设计用于处理该语音信号的数字滤波器，给出滤波器的性能指标，画出滤波器的频率响应； 5）对被噪声污染的语音信号进行滤波，画出滤波前后信号的时域波形和频谱，并对滤波前后的信号进行比较和分析； 6）回放各步骤的语音信号，给出相应处理程序及运行结果分析。
1) Select a voice signal as an analysis object, or record a voice signal 2) sampling the voice signal, draw the waveform and frequency spectrum of the time domain before and after sampling the speech signal 3) using the random function in MATLAB generated noise was added to the speech signal, the speech signal to be contaminated, and then spectrum analysis 4) for processing the speech signal, the digital filter design, given the performance of the filter to draw the filter' s frequency response 5) on the noise pollution of the speech signal is filtered, time-domain waveform and spectrum draw before and after filtering the signal before and after filtering, and the signal for comparison and analysis 6) playback of the speech signal for each step, given the results of the corresponding processing procedures and run analysis. (2013-03-27, matlab, 2KB, 下载39次)
产生长度为100的随机二进制序列
发送载波频率为10倍比特率，画出过采样率为100倍符号率的BPSK调制波形（前10个比特） ，及其功率谱
相干解调时假设收发频率相位相同，画出x(t) 的波形，假设低通滤波器的冲激响应为连续10个1（其余为0），或连续12个1 （其余为0） ，分别画出两种滤波器下的y(t)，及判决输出（前10个比特）
接收载波频率为10.05倍比特率，初相位相同，画出x(t) 的波形，假设低通滤波器的冲激响应为连续10个1，画出两种滤波器下的y(t)，及判决输出（前20个比特）
采用DPSK及延时差分相干解调，载波频率为10倍比特率，画出a, b, c, d点的波形（前10个比特）
DPSK及延时差分相干解调，载波频率为10.25倍比特率时，画出a, b, c, d点的波形（前10个比特）
DPSK及延时差分相干解调，载波频率为10.5倍比特率时，画出a, b, c, d点的波形（前10个比特）
Produce random binary sequence of length 100
The transmission carrier frequency is 10 times the bit rate, draw a sampling rate of 100 times the symbol rate of the BPSK modulation waveform (first 10 bits), its power spectrum
Coherent demodulation of assuming the same as the phase of the transmitting and receiving frequencies, and draw the waveform x (t), assuming that the impulse response of the low pass filter 10 consecutive 1 (the remainder is 0), or 12 consecutive 1 (the remainder is 0), y (t) is drawn under the two filters respectively, and the decision output (10 bits)
The received carrier frequency is 10.05 times the bit rate, the same initial phase, draw the waveform x (t), assuming that the impulse response of the low pass filter of 10 consecutive 1, shown under two filter y (t), and decision output (20 bits)
DPSK and delay differential coherent demodulation, the carrier frequency is 10 times the bit rate, draw a, b, c, d point of the waveform (first 10 bits)
DPSK and delay (2012-12-15, matlab, 3KB, 下载66次)
产生一个长为1000的二进制随机序列，“0”的概率为0.8，”1”的概率为0.2；
对上述数据进行归零AMI编码，脉冲宽度为符号宽度的50 ，波形采样率为符号率的8倍，画出前20个符号对应的波形（同时给出前20位信源序列）
改用HDB3码，画出前20个符号对应的波形
改用密勒码，画出前20个符号对应的波形
分别对上述1000个符号的波形进行功率谱估计，画出功率谱
改变信源“0”的概率，观察AMI码的功率谱变化情况
Have a length of 1000 random binary sequence, the probability of "0" is 0.8, and the probability of "1" is 0.2
Said data zeroing AMI coding, pulse width of 50 of the width of the symbol, the symbol rate of the waveform sampling rate of 8 times, to draw the first 20 symbols of the corresponding waveform (also given 20 source sequence)
HDB3 code switch, draw 20 symbols corresponding waveform
Switch to Miller code, draw 20 symbols corresponding waveform
The 1000 symbol waveform power spectrum estimation, draw power spectrum
The probability of "0" to change the source observed power spectrum of the AMI code changes (2012-12-15, matlab, 2KB, 下载21次)
带有电网电压反馈的单相PWM整流器反馈，输出的波形很好，适合初学者学习观摩
With power grid voltage feedback single-phase PWM rectifier feedback, the output waveform is very good, suitable for beginners learning view
(2012-11-30, matlab, 10KB, 下载118次)
三相电流滞环跟踪PWM逆变器。逆变电路负载电流与指令电流比较产生PWM波形。经验证可很好实现功能。
The three-phase hysteresis current tracking PWM inverter. Load current command current of the inverter circuit generating a PWM waveform. Proven functions well. (2012-11-26, matlab, 10KB, 下载83次)
spwm在matlab simulink环境下的发生 可以修改调制比和载波比
spwm occurred in the the matlab simulink environment under the to modify modulation and carrier ratio (2012-11-20, matlab, 11KB, 下载42次)
代码实现了一个根升余弦成型滤波器，2PAM信号通过此成型滤波器，并且匹配接收，画出了发送和接收波形，验证了代码的正确性。
The code designs a root raised cosine filter,2PAM signal transmitted through the filter and matched using the same filter, I plot the transmitted signal and received signal to verify the correctness of the code. (2012-11-09, matlab, 1KB, 下载88次)
FFT IFFT 转换 波形处理 加窗 等信号处理 非常好的书
FFT IFFT conversion waveform processing windowed signal processing a very good book (2012-11-02, matlab, 8192KB, 下载18次)
在MATLAB下实现FSK调制解调调。并画出了每一步的波形和功率谱密度图
FSK modulation and demodulation tune in MATLAB. And draw the diagram of every step of the waveform and power spectral density (2012-07-10, matlab, 3KB, 下载10次)
正弦信号发生器生成正弦信号 存储格式为mif 用于quartus2的仿真
Sinusoidal signal generator to generate a sinusoidal signal storage format for the mif for quartus2 simulation
(2012-06-27, matlab, 3KB, 下载16次)
manchester encoding 波形
software for manchester encoding (2012-06-08, matlab, 11KB, 下载10次)
在Quartus的DDS设计中，通常会用到mif或者hex文件存储函数值，被ROM的IP模块调用。本程序是在Matlab环境下，根据所需数据位数和长度自定义mif文件。
Quartus DDS design, usually used in the mif or hex file storage function value, call the ROM of IP modules. This program is in the Matlab environment, according to the desired data bits and the length of custom mif file. (2012-03-14, matlab, 1KB, 下载6次)
本程序和文件主要利用蒙特拉罗的思想来完成圆周率的计算，利用事物发生的概率来逼近真实情况。
The programs and files using mainly Mengtelaluo thought to complete the calculation of pi, using the probability of things have to approximate the actual situation. (2009-12-04, matlab, 56KB, 下载7次)
DSP Builder设计初步,介绍Matlab/DSP Builder及其设计流程，正弦信号发生器完整的设计过程，以及使用Matlab、quartusII\modelsim详细的仿真过程。
DSP Builder preliminary design, introduce Matlab/DSP Builder and its design flow, sinusoidal signal generator complete design process, and the use of Matlab, quartusIImodelsim detailed simulation. (2007-09-04, matlab, 1338KB, 下载377次)
使用metlab生产正弦波和三角波的采样值，供vhdl等语言调用来产生波形
use metlab production sine wave and triangular wave of sampling, for languages such as call vhdl to generate waveforms (2007-05-15, matlab, 1KB, 下载437次)
数字式移相信号发生器可以产生预置频率的正弦信号，也可产生预置相位差的两路同频正弦信号，并能显示预置频率或相位差值；
digital phase shifting generator can produce preset frequency sinusoidal signal, Preferences may also have phase difference with the way the two-frequency sinusoidal signal, and can show that the preset frequency or phase difference value; (2006-08-27, matlab, 7KB, 下载104次)