搜索资源列表
xt
- 1、以不同的视角观察球面 和圆柱面 所围区域。2、画出s(t)=cos(2/3πf0t)的曲线及其付氏变换的曲线.设:f0=1KHz,时域分辨率 dt=0.01ms, 采样点数 N=2k, k>10.(均为M文件)
snr2
- 自己写的信噪比计算工具snr2.m snr2(s2ana,fs,f0,fl,fh,bl,bh) s2ana: 待分析信号 fs:采样频率 f0:信号频率 [fl,fh]:信号能量分散带
cepst
- cepstral analisys for pitch and F0 detection
autocorrelazione
- Autocorrelation speech signal for matlab. Computes the f0 frequency.
trabalho3
- Check f0 of a sound by some methods
aliasing_for_time_domain_signal.m
- This package contains scr ipt to calculate aliasing for given time domain signal. scr ipt to plot in time domain the function: x(t)=A0cos(2pif0t)+A1cos(2pif1t) where fs1=300 Hz and fs2=150 Hz (sampling rate) A0 and A1 are amplitude s signal (a
window.m
- This scr ipt calculate the Fourier transform of a Rectangular window of 64 points using an aproximation with a DFT of 1024 points,as well as calculates for differents values of f0 and f1 the module of the frecuency response of the windowed signal.
simulateQSNR
- Determine the SNR for a quadrature delta-sigma modulator using simulations. The modulator is described by a noise transfer function (ntf) and the number of quantizer levels (nlev). The ntf/stf may be given in ABCD form. The band of intere
Opt_Steepest
- 用最速下降法求最优化解 输入:f为函数名 grad为梯度函数 x0为解的初值 TolX,TolFun分别为变量和函数的误差阈值 dist0为初始步长 MaxIter为最大迭代次数 输出: xo为取最小值的点 fo为最小的函数值 f0 = f(x(0- Steepest Descent Method with Optimum Solution input: f as a function name grad is gradient function x0 fo
myrasdar visit 6
- The function “ clutter_rcs.m” It also generates plots of the clutter RCS and the CNR ver- sus the radar slant range. Its outputs include the clutter RCS in dBsm and the CNR in dB. The syntax is as follows: [sigmaC,CNR] = clutter_rcs(sigma0,
pulse-generate
- 本程序是矩形波的产生。第零步定义了要产生的波形的所有特征参数,矩形波的持续时间WIDTH,矩形波的采样点数POINTS,载波频率为F0,这个频率的最终引入是便于使用RF频率发射波形。第一步包括产生矩形波,并将其调制到RF上,注意,产生的信号的持续时间是矩形波宽度的5倍,这样,总的采样点数就是5*POINTS。同时还应注意,如果要产生一个基带信号,必须设置T0=0.第二步是画出所产生矩形波的源代码。- This procedure is rectangle wave production. Ste
F0
- 利用 matlab 分别基于 ACF 和 W-AMDF 求基音频率,程序均调试通过。其中的 word 文档为下载资源,供大家参考对比-compute fundamental frequency of speech signal base on ACF and W-AMDF respectively, while the download word document for your reference.
Fibonacci
- 4阶斐波那契序列如下:f0=f1=f2=0, f3=1,…,fi=fi-1+fi-2+fi-3+fi-4, 利用容量为k=4的循环队列,构造序列的前n+1项(f0, f1 , f2 ,… fn ),要求满足fn ≤200而fn+1 >200。 -4-order Fibonacci sequence is as follows: f0 = f1 = f2 = 0, f3 = 1, ..., fi = fi-1+ fi 2+ fi-3+ fi-4, With size k = 4
bf_1500Hz_normal_statistic
- 声纳技术 常规的波束形成 信号形式:实信号,f0=1.5kHz,fs=15kHz 与带通采样等效。 统计方位估计性能与信噪比之间的关系,snr=0:30-Sonar technology
huangjin
- #include<stdio.h> #include<math.h> float Function(float x) void main() { float a,b,e float x0,x1,x2,F0,F1,F2 printf("input a ,b ,e \n") scanf(" f f f",&a,&b,&e) x1=b-0.618*(b-a) x2=a+0.618*(b-a) F1=Func
yi
- 基于matlab 的叠加高斯白噪声的正弦信号频谱分析,给定正弦函数x=sin(2πf0n/N+π/3)+sin(2πf1n/N+π/4),设定f0.f1的值,加了噪声之后做快速傅里叶变换,在matlab中分析其频谱,验证是否与f0,f1的值符合。再变换N值,看随着N值的变化对应点是否符合及有何变化。-Matlab based on the superposition of Gaussian white noise sinusoidal signal spectrum analysis, giv
sine
- 正弦信号发生器的设计,正弦信号发生器的结构由3 部分组成。数据计数器或地址发生器、数据ROM 和D/A。性能良好的正弦信号发生器的设计要求此3 部分具有高速性能,且数据ROM 在高速条件下,占用最少的逻辑资源,设计流程最便捷,波形数据获最方便。下图是此信号发生器结构图,顶层文件SINGT.VHD 在FPGA 中实现,包含2 个部分:ROM 的地址信号发生器,由5 位计数器担任,和正弦数据ROM,拒此,ROM由LPM_ROM模块构成能达到最优设计,LPM_ROM底层是FPGA中的EAB或ESB等。
ee
- 快速傅里叶变换 (FFT) 实现,给定信号x(t)=sin(2πf0t),f0=50Hz,对x(t)以fs=200Hz进行抽样,抽样点数为N=16。编写程序实现对x(n)的快速傅里叶变换,求得相应的X(K)。-Fast Fourier Transform (FFT) to achieve a given signal x (t) = sin (2πf0t), f0 = 50Hz, for x (t) with fs = 200Hz sampling, the sampling points is
untitled
- 参数为:载波频率f0为20MHz,采样频率为4倍f0,脉宽为1us ,脉冲周期为20us 。其中:-Parameters: carrier frequency f0 is 20MHz, the sampling frequency is 4 times f0, a pulse width of 1us, the pulse period is 20us. Of which:
analyzeabr
- 用于自动生成ABR波形,计算言语ABR的F0值,需要使用信号处理工具箱-Abr waveform used to automatically generate automatically calculated F0 value ABR of speech , need to use signal processing toolbox