搜索资源列表
FFTRECT
- 快速傅里叶变换的C程序实现,实现了矩形脉冲的FFT,并画出了其图形
单频脉冲
- 单频脉冲 close all;clear all;clc; x=-5:0.05:5; y=-1:0.05:1; [X,Y]=meshgrid(x,y); T=5; b=pi*Y.*(T-abs(X))+eps; c=((sin(b).*(T-abs(X)))./(T*b)); Z=abs(c); surf(X,Y,Z),title('单载频矩形脉冲信号模糊图'),xlabel('时间'),ylabel('频率');
rectangle_pulses_ambig.rar
- 矩形脉冲串信号的模糊函数matlab代码,Rectangular pulse function of the fuzzy matlab code
MPSKMQAMmudulation.rar
- 本程序用于完成BPSK、QPSK、pi/4QPSK、OQPSK、8PSK、16QAM、32QAM、64QAM和128QAM的调制仿真。并可任意扩展到MPSK和MQAM。程序分成四个部分,fir.m对基带码元序列进行脉冲成型,可选矩形脉冲,升余弦脉冲和平方根升余弦脉冲; modal.m 为主程序,完成岁各种信号的基带星座图映射、脉冲成型和调制;pi4QPSK.m 为pi/4QPSK信号的星座图映射程序;test1.m给出一个简单的频谱显示测试。,This procedure for the com
FFTshow
- 可产生矩形脉冲和正弦信号,矩形脉冲的脉宽可以改变,正弦信号则可以改变频率和时宽-Can produce rectangular pulse and sinusoidal signal, the rectangular pulse width can be changed, sinusoidal signal can be changed when the frequency and width
MPSKTransmissonwithGausNoise
- 本程序用于完成BPSK、QPSK、8PSK的调制仿真。并可任意扩展到MPSK和MQAM。程序分成三个部分:phase.m对基带码元序列进行脉冲成型,可选矩形脉冲,升余弦脉冲和平方根升余弦脉冲; model.m 为主程序,完成各种信号的基带星座图映射、脉冲成型和调制; command.m给出一个简单的频谱显示测试。-This procedure for the completion of BPSK, QPSK, 8PSK modulation simulation. Arbitrary and m
fft
- 周期信号的傅立叶变换、单脉冲和周期信号的傅立叶变换的比较、周期矩形脉冲与单矩形脉冲的关系-this is a ppt for fft .its good for people who wants to know fft well
qpskzjm
- matlab实现矩形脉冲和根升余弦脉冲的QPSK调制功率谱密度及不同信噪比信道下的星座图,直接运行main函数即可-Plot the power density spectrum of the transmitted signal (e.g., with the matlab function psd) with different pulse shapes. How is it affected if a root raised cosine pulse is chosen instead o
m
- m序列发生器及其自相关 m序列构成的信号(矩形脉冲) m序列sinc成形信号的自相关-m-sequence generator and its associated m-sequences formed from the signal (rectangular pulse) m sinc sequence forming signal autocorrelation
rectanglePulse
- 利用函数建立非负矩形脉冲,然后利用频谱分析函数对该矩形脉冲进行频谱分析,并进行频率移位修正(利用FFTSHIFT),观察该脉冲频谱。-Use function to create a non-negative rectangular pulse, and then use the spectral analysis of the rectangular pulse function spectral analysis, and the frequency shift correction (us
MyImpulse
- MyImpulse产生一个使用两个幅值为 1 的正弦信号构成一个矩形脉冲信号;-MyImpulse produce a use two amplitude of 1 sine signal constitute a rectangular pulse signal
ruilishuailuoQPSK
- QPSK信号通过瑞利衰落信道后的误比特率和误符号率,并与AWGN信道下的误比特率和误符号率进行对比。其中,多普勒频移为 100Hz,经过矩形脉冲成形后的抽样时间间隔为1/800000s。-The QPSK signal harms the bit rate after the Rayleigh fading channel and harms the mark rate, and harms the bit rate with the AWGN channel under and harms
rrs
- 矩形脉冲及频谱仿真程序,利用matlab实现矩形脉冲及其频谱仿真的程序-Rectangular pulse and spectrum simulation program using matlab rectangular pulse and its spectrum simulation program
gen_ambig_cwcw
- 矩形脉冲信号CW组合波形的模糊函数图的仿真-Rectangular pulse signal ambiguity function diagram of the the CW combination of waveform simulation
TRM_focusing
- 建立单频矩形脉冲信号,时间反转镜仿真,计算信号时反过后的能量增益-Establishment of single-frequency rectangular pulse signal, the time reversal mirror simulation, after calculating signal energy gain against
ASK-modulation-and-demodulation
- ask载波频率:f=10^7Hz。 信号源:随机整形矩形脉冲信号源,f=10^4Hz。 信噪比:7dB-ASK modulation and demodulation
PSK-modulation-and-demodulation
- PSK modulation and demodulation信号源:随机整形矩形脉冲信号源,f=10^4Hz。 载波频率:f=10^6Hz。 信噪比:7dB-PSK modulation and demodulation
QPSK-MODULATION-and-demodulation
- QPSK MODULATION and demodulation信号源:随机整形矩形脉冲信号源,f=20^4Bit/s 载波频率:f1=10^6Hz。初始相位: pi/4。 f1=10^6Hz。初始相位:3pi/4。 信噪比:7dB-QPSK MODULATION and demodulation
Pulse-signalsMATLAB-program
- 关于脉冲信号的matlab程序。包括单边衰减指数信号,正弦信号,抽样信号,矩形脉冲信号等。-matlab program about pulse signal.
双矩形脉冲的正反傅里叶变换
- 双矩形脉冲的正反傅里叶变换 (1) 画出以上式子所定脉冲的时域波形; (2)画出信号的振幅谱 abs(sf);(3) 将第二步所得的频谱求傅里叶反变换,并画出其波形,并与原始信号对比;(Positive and inverse Fourier transform of double rectangular pulses (1) draw the above formula set by the pulse waveform; (2) draw the signal amplitu