Ds=[1,1]; sys1=tf(Ns,Ds) 实验结果: sys1 = 1 --- s + 1 >> [z,p,k]=tf2zp([1],[1,1]) z = Empty matrix: 0-by-1 p = -1 k = 1 2. >>Ns=[10] Ds=[1,-5,0] sys2=tf(Ns,Ds) 实验结果: Ns = 10 Ds = 1 -5 0 sys2 = 10 --- s^2 - 5 s >>[z,p...
(1)Matlab实现 functionS=calcSNR_xujch(vout,Nfft,fs,osr,Bsig,wintype,Bsig_mode)% SNR calculation in the frequency domain (Xu.Jianchao)% fs (Hz), Bsig (Number of Bins)% wintype: rect/hann/blackman% usage example: [ibn,snr,sndr,sfdr,enob,Ain] = calcSNR_xujch_1(yout,32768,1.79e6...
一般来说,FIR的长度由过渡带宽决定,N=2M+1。Δw=CM,矩形窗,c=0.92,hann窗 3.11 ,汉明 3...
(Wcl,Wch,N); % 理想低通滤波器的单位冲激响应 w_hann=(hanning(N)); % 汉宁窗 h=hd.*w_hann; %截取得到实际的单位脉冲响应 [db,mag,pha,w]=freqz_m2(h,[1]); %计算实际滤波器的幅度响应 delta_w=2*pi/1000; 精彩文档 实用标准文案 Ap=-(min(db(1:1:Wpl/delta_w+1))) % 实际通带...
7、 1: Wsh/delta_w+l) % 实际阻带纹波 subplot(221) stem(n.hd)title(理想单位脉冲响应hd(n)1)subplot(222) stem(n.w_hann) 山lc(汉宁窗w(n)1)subplot(223)stem(n.h)titled实际单位脉冲响应hd(n)subplot(224)plot(w/pi.db)titlcC幅度响应(dB)Jaxis(0J100 JO)利用三角窗设计in型数字带通滤...
3. >> Ns=[1,6,6,0]; Ds=[1,6,8]; sys3=tf(Ns,Ds) 实验结果: Ns = 1660 Ds = 168 sys3 = s^3 + 6 s^2 + 6 s --- s^2 + 6 s + 8 Continuous-time transfer function. 六.如下 H(s)或 H(z),请分别画出其直角坐标系下的频率特性曲线。 1. >> clear; for n = 1:...
Segment PSDs and Power Spectra with Sample Rate Divide the signal into 102-sample segments and window each segment with a Hann window. Specify 12 samples of overlap between adjoining segments and 1024 DFT points. Get M = 102; g = hann(M); L = 12; Ndft = 1024; Compute the spectrogram...
h=hd.*w_hann; %截取得到实际的单位脉冲响应 [db,mag,pha,w]=freqz_m2(h,[1]); %计算实际滤波器的幅度响应 delta_w=2*pi/1000; Ap=-(min(db(1:1:Wpl/delta_w+1))) %实际通带纹波 As=-round(max(db(Wsl/delta_w+1:1:Wsh/delta_w+1))) %实际阻带纹波 subplot(221) stem(n,hd) titl...
一般来说,FIR的长度由过渡带宽决定,N=2M+1。Δw=CM,矩形窗,c=0.92,hann窗 3.11 ,汉明 3...
1-我的样本数据长度是60000字节,另一方面,通过1000 in的采样率,我等待60秒来收集数据,这太长了!