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matlab
y3k=fft(u,(m+n-2)/4)
i=1:(m+n-2)/4
subplot(5,2,9) stem(i,u)
title( 滤波后上采样 )
k=1:(m+n-2)/4
subplot(5,2,10) stem(k,y3k)
title( 上采样频谱 )
xlabel( k ) ylabel( y3k ) (y3k = fft (u, (m+ n-2)/4) i = 1: (m+ n-2)/4 subplot (5,2,9) stem (i, u) title (after filtering the sample) k = 1: (m+ n-2)/4 subplot (5,2,10) stem (k, y3k) title (on the sample spectrum) xlabel (k) ylabel (y3k))
- 2009-01-06 13:09:09下载
- 积分:1
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discrete_time
使用matlab对离散时间信号进行时域和频域分析(Using matlab to the discrete-time signals in time domain and frequency domain analysis)
- 2010-01-17 14:06:29下载
- 积分:1
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1
图像增强的理论性知识,对于初学matlab有很大的帮助,希望对大家有用(Image enhancement of theoretical knowledge, great for the beginner matlab help, we hope to be useful)
- 2011-04-27 08:34:21下载
- 积分:1
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rayleigh_fading1
filename: rayleigh_fading.m
function: rayleigh fading
input parameters: multipath_ID (user, multipath)
output parameters: envelope
read files: no
generate files: no
call functions: no
called by: wireless_UL, wireless_DL
Execution Time: case 1: 29/100 Seconds(100 times called)(N=25)
case 2: 4.4/100 Seconds(100 times called)(N=25)
Sun Jianxun, Apr., 02, 2001
- 2014-02-18 21:09:24下载
- 积分:1
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Matlab-In-the-telecommunications
本书讲的是Matlab 在电信工程中的应用,包括基础篇、数字信号处理、和神经网络三大部分(Book is about Matlab applications in telecommunications engineering, including basic articles, digital signal processing, and neural network of three parts)
- 2011-05-21 20:22:35下载
- 积分:1
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hamming
信源产生、信道编码、调制、信道传输、解调、信道译码、差错比较等通信过程的Simulink仿真方法。分析QPSK调制方式下Hamming编码方式在不同信噪比下的通信质量。
(Generated source, channel coding, modulation, channel transmission, demodulation, channel decoding, error comparison of the communication process of the Simulink simulation. QPSK modulation mode of Hamming encoding different signal to noise ratio in the quality of communication.)
- 2011-06-02 16:49:49下载
- 积分:1
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buck1bost
基于MATLAB的升降压斩波电路的仿真,可以调节负载和占空比来观察波形的变化(Based on MATLAB buck chopper circuit simulation, you can adjust the load and duty to observe the waveform changes)
- 2013-10-08 10:28:19下载
- 积分:1
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sin_ruili_awgn_sim_roc
利用正弦信号作为发射信号,分别在AWGN和瑞利信道中,计算CR中的检测概率和虚警概率,并绘图。(Sinusoidal signal as transmitted signal, respectively, in AWGN and Rayleigh channel, calculate the probability of detection and false alarm probability of CR and drawing.)
- 2014-02-18 11:20:23下载
- 积分:1
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anoise
说明: MATLAB给图像添加各种噪声,非常好用,希望对大家有用(MATLAB add all kinds of noise to the image, very easy to use, we hope to be useful)
- 2011-02-26 23:08:06下载
- 积分:1
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PTS_Papr_V4
OFDM信号的PTS算法,用于降低峰均比,v=4,64QAM调制,子载波数可以自己调整(Partial Transfer Sequence Algorithms)
- 2019-04-24 15:13:52下载
- 积分:1