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[Communication] generate_mod_signal DL : 0: 产生15种模拟及数字调制信号函数。参数说明：type－调制信号种类,total_time－信号总时间长度,fc－载频,fs－抽样频率,symbol_rate－符号率-have 15 analog and digital modulation signal function. Parameter Description : type-modulated signal types,'04-Signal total time length, fc-carrier frequency, fs-sampling frequency, symbol_rate-Symbol Rate
Update : 2008-10-13 Size : 1.16kb Publisher : htt
[Other resource] fm DL : 0: fm调制和解调，matlab语言实现，可以改变fs，fc，ft
Update : 2008-10-13 Size : 944byte Publisher : sharny
[Other resource] fmdemod DL : 0: demodulates the FM modulated signal Y at the carrier frequency Fc (Hz). Y and Fc have sample frequency Fs (Hz). FREQDEV is the frequency deviation (Hz) of the modulated signal.
Update : 2008-10-13 Size : 1.1kb Publisher : sharny
[Other resource] fmmod DL : 0: uses the message signal X to modulate the carrier frequency Fc (Hz) and sample frequency Fs (Hz), where Fs > 2*Fc. FREQDEV (Hz) is the frequency deviation of the modulated signal.
Update : 2008-10-13 Size : 1.1kb Publisher : sharny
[Other resource] firOK DL : 0: fir滤波器的设计，此滤波器 Fs为44kHz,Fc为10.4kHz。
Update : 2008-10-13 Size : 964.31kb Publisher : fdf
[Communication] generate_mod_signal DL : 0: 产生15种模拟及数字调制信号函数。参数说明：type－调制信号种类,total_time－信号总时间长度,fc－载频,fs－抽样频率,symbol_rate－符号率-have 15 analog and digital modulation signal function. Parameter Description : type-modulated signal types,'04-Signal total time length, fc-carrier frequency, fs-sampling frequency, symbol_rate-Symbol Rate
Update : 2025-02-19 Size : 1kb Publisher :
[GPS develop] fm DL : 0: fm调制和解调，matlab语言实现，可以改变fs，fc，ft-fm modulation and demodulation, matlab language, can change the fs, fc, ft
Update : 2025-02-19 Size : 1kb Publisher : sharny
[GPS develop] fmdemod DL : 1: demodulates the FM modulated signal Y at the carrier frequency Fc (Hz). Y and Fc have sample frequency Fs (Hz). FREQDEV is the frequency deviation (Hz) of the modulated signal.
Update : 2025-02-19 Size : 1kb Publisher : sharny
[VHDL-FPGA-Verilog] firOK DL : 0: fir滤波器的设计，此滤波器 Fs为44kHz,Fc为10.4kHz。-fir filter design, this filter Fs for 44kHz, Fc for 10.4kHz.
Update : 2025-02-19 Size : 964kb Publisher : fdf
[matlab] modulation DL : 0: 通信信号相干调制解调源码 Fc=10 ％载频 Fs=40 ％系统采样频率 Fd=1 ％码速率 N=Fs/Fd df=10 numSymb=25 ％进行仿真的信息代码个数 M=2 ％进制数-Coherent modulation and demodulation of communication signal source Fc = 10 carrier frequency Fs = 40 systematic sampling frequency Fd = 1 code rate N = Fs/Fd df = 10 numSymb = 25 of the information code to simulate the number of M = 2 hexadecimal number
Update : 2025-02-19 Size : 1kb Publisher : 包耐峰
[matlab] line_inter_2d DL : 0: Matlab的M文件编写的数控插补2D直线算法仿真。具体参数可使用：X-500,Y-600，Fc-600，Fs-0，Fa-0，at--200.仿真的本意是为了验证DSP上同类插补算法的正确性-Matlab M-file to prepare the CNC interpolation algorithm for 2D simulation of a straight line. Specific parameters can be used: X-500, Y-600, Fc-600, Fs-0, Fa-0, at- 200. The simulation is intended to verify the DSP on the correctness of the same interpolation algorithm
Update : 2025-02-19 Size : 1kb Publisher : 雷鸣
[Other] timing_recovery DL : 0: 我对一个输入调制信号：采样率FS=1200K，中心频率F0=300K，带宽300K。输入信号为一个[样点数,2]的矩阵,即I,Q两路. 进行频谱搬移，分为I，Q分量两路进行矢量乘法，NCO的设置为FC=300K，t=样点数乘以1/FS，乘完以后我的频谱上显示竟然信号带宽增加了300K，但是中心频率没有改变，请问各位朋友是哪儿出了问题？谢谢您的阅读和意见-Digital Down Converter for matlab realized, certain design specifications that can be used to know VHDL Programming
Update : 2025-02-19 Size : 22kb Publisher : Jose
[Communication-Mobile] das DL : 0: Demodulating the signal. DeAmpMod = (1/2).*(ademod(AmpMod,Fc,Fs, amdsb-sc ,num,den)) (ALTERNATIVE APPROACH) DeAmpMod = AmpMod.*Cs Designing butterworth low pass filter. [num,den] = butter(2,.8) FilteredOutput = filter(num,den,DeAmpMod) Plotting the input speech signal data . subplot(2,2,1) axis normal plot(data) grid on title( Initial Speech Signal ) xlabel( Samples ) ylabel( Speech Signal ) Plotting the modulated speech signal AmpMod . subplot(2,2,2) axis normal plot(AmpMod) title( Modulated Speech Signal ) xlabel( Samples ) ylabel( Modulated Signal )- Demodulating the signal. DeAmpMod = (1/2).*(ademod(AmpMod,Fc,Fs, amdsb-sc ,num,den)) (ALTERNATIVE APPROACH) DeAmpMod = AmpMod.*Cs Designing butterworth low pass filter. [num,den] = butter(2,.8) FilteredOutput = filter(num,den,DeAmpMod) Plotting the input speech signal data . subplot(2,2,1) axis normal plot(data) grid on title( Initial Speech Signal ) xlabel( Samples ) ylabel( Speech Signal ) Plotting the modulated speech signal AmpMod . subplot(2,2,2) axis normal plot(AmpMod) title( Modulated Speech Signal ) xlabel( Samples ) ylabel( Modulated Signal )
Update : 2025-02-19 Size : 1kb Publisher : dasu
[Communication-Mobile] FC-protocal DL : 0: 光纤通道协议，包括FC-SW,FC-FS,FC-LS,FC-GS,FC-HBA,FC-AE-ASM等文档。-Fibre Channel protocols, including FC-SW, FC-FS, FC-LS, FC-GS, FC-HBA, FC-AE-ASM and other documents.
Update : 2025-02-19 Size : 7.89mb Publisher : 秦清全
[GIS program] 123 DL : 0: FM without noise Fs = input( enter the value of Fs ) Sampling rate of signal Fc = input( enter the value of Fc ) Carrier frequency t = [0:Fs] /Fs Sampling times x = sin(2*pi*20*t) +2*sin(2*pi*60*t) Channel dev = input( enter the value of dev ) Frequency deviation in modulated signal y = fmmod(x,Fc,Fs,dev) Modulate both channels. z = fmdemod(y,Fc,Fs,dev) Demodulate both channels. figure subplot(3,1,1) plot(x) subplot(3,1,2) plot(y) subplot(3,1,3) plot(z) -FM without noise Fs = input( enter the value of Fs ) Sampling rate of signal Fc = input( enter the value of Fc ) Carrier frequency t = [0:Fs] /Fs Sampling times x = sin(2*pi*20*t) +2*sin(2*pi*60*t) Channel dev = input( enter the value of dev ) Frequency deviation in modulated signal y = fmmod(x,Fc,Fs,dev) Modulate both channels. z = fmdemod(y,Fc,Fs,dev) Demodulate both channels. figure subplot(3,1,1) plot(x) subplot(3,1,2) plot(y) subplot(3,1,3) plot(z)
Update : 2025-02-19 Size : 211kb Publisher : Gan JJ
[File Format] mqam-demodulation DL : 0: mqam demodultion code with fc,fs,fd,M and ini_phase parameter
Update : 2025-02-19 Size : 1kb Publisher : af
[EditBox] 11 DL : 0: empirical formula with kaiser clc clear all fs=1000 fc=250 df=50 r=0.001 f=fc/fs dw=2*pi*(df/fs) a=-20*log(r) n=floor(((a-8)/(2.285*dw))+1) if a>50 b=0.1102*(a-8.7) elseif a>=21 && a<=50 b=0.5842*((a-21)^0.4)+0.07886*(a-21) elseif a<21 b=0.0 end w=kaiser(n,b) for i=1:n if i~=(n-1)/2 hd(i)= (2*f*sin((i-((n-1)/2))*2*pi*f))/((i-((n-1)/2))*2*pi*f) elseif i==(n-1)/2 hd(i)=2*f end end for j=1:n h(j)=w(j)*hd(j) end subplot(3,1,1), plot(w) subplot(3,1,2), plot(h) subplot(3,1,3), plot(h,n) - empirical formula with kaiser clc clear all fs=1000 fc=250 df=50 r=0.001 f=fc/fs dw=2*pi*(df/fs) a=-20*log(r) n=floor(((a-8)/(2.285*dw))+1) if a>50 b=0.1102*(a-8.7) elseif a>=21 && a<=50 b=0.5842*((a-21)^0.4)+0.07886*(a-21) elseif a<21 b=0.0 end w=kaiser(n,b) for i=1:n if i~=(n-1)/2 hd(i)= (2*f*sin((i-((n-1)/2))*2*pi*f))/((i-((n-1)/2))*2*pi*f) elseif i==(n-1)/2 hd(i)=2*f end end for j=1:n h(j)=w(j)*hd(j) end subplot(3,1,1), plot(w) subplot(3,1,2), plot(h) subplot(3,1,3), plot(h,n)
Update : 2025-02-19 Size : 80kb Publisher : rezwan
[Dialog_Window] EEE-212-lab-sheet DL : 0: empirical formula with kaiser clc clear all fs=1000 fc=250 df=50 r=0.001 f=fc/fs dw=2*pi*(df/fs) a=-20*log(r) n=floor(((a-8)/(2.285*dw))+1) if a>50 b=0.1102*(a-8.7) elseif a>=21 && a<=50 b=0.5842*((a-21)^0.4)+0.07886*(a-21) elseif a<21 b=0.0 end w=kaiser(n,b) for i=1:n if i~=(n-1)/2 hd(i)= (2*f*sin((i-((n-1)/2))*2*pi*f))/((i-((n-1)/2))*2*pi*f) elseif i==(n-1)/2 hd(i)=2*f end end for j=1:n h(j)=w(j)*hd(j) end subplot(3,1,1), plot(w) subplot(3,1,2), plot(h) subplot(3,1,3), plot(h,n) - empirical formula with kaiser clc clear all fs=1000 fc=250 df=50 r=0.001 f=fc/fs dw=2*pi*(df/fs) a=-20*log(r) n=floor(((a-8)/(2.285*dw))+1) if a>50 b=0.1102*(a-8.7) elseif a>=21 && a<=50 b=0.5842*((a-21)^0.4)+0.07886*(a-21) elseif a<21 b=0.0 end w=kaiser(n,b) for i=1:n if i~=(n-1)/2 hd(i)= (2*f*sin((i-((n-1)/2))*2*pi*f))/((i-((n-1)/2))*2*pi*f) elseif i==(n-1)/2 hd(i)=2*f end end for j=1:n h(j)=w(j)*hd(j) end subplot(3,1,1), plot(w) subplot(3,1,2), plot(h) subplot(3,1,3), plot(h,n)
Update : 2025-02-19 Size : 529kb Publisher : rezwan
[Linux-Unix] fc_fs DL : 0: Fibre Channel Framing and Signalling definitions. From T11 FC-FS-2 Rev 0.90 - 9 August 2005.
Update : 2025-02-19 Size : 4kb Publisher : rieqxtx
[Linux-Unix] catch_const_pointer_nullptr DL : 0: Fibre Channel Framing and Signalling definitions. From T11 FC-FS-2 Rev 0.90 - 9 August 2005 Source Code for Embedded Linux.
Update : 2025-02-19 Size : 4kb Publisher : seibfrr

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