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乘式还原
- A代表数字0到9中的前五个数字，Z代表后五个数字，请还原 下列乘式。 A Z A × A A Z ------------ A A A A A A Z Z Z A A ------------ Z A Z A A *问题分析与算法设计 问题本身并不复杂，可以对乘式中的每一位使用穷举法，最 终可以得到结果。本题的关键在于怎样有效的判断每个部分积的 每一位是否满足题意，这一问题处理不好，编写的程序会很长。
Romberg
- 龙贝格插值算法求积分下限为0,积分上限为1的,被积函数为4/1+x*x的积分-Romberg interpolation algorithm quadratures threshold of 0, points to a ceiling of the function of the plot was 4 / 1 x * x points
pitchwatch
- function pitchwatch(x,Ts) Plot the pitch keys. pitchwatch(x,[Ts]) :: Syntax The array x is the input signal and Ts is the (optional) sampling period. Example on use: [x,Fs] = wavread( Hum.wav ) pitchwatch(x,1/Fs) :: Inf
liue
- 用窗函数法设计线性相位FIR低通滤波器。要求通带截止频率ωc=π/4，单位脉冲响应h(n)的长度N=23。绘出h(n)及其幅频响应特性曲线-Window function with linear phase FIR design a low pass filter. Required pass-band cutoff frequency ωc = π/4, unit impulse response h (n) of length N = 23. Plot h (n) and frequency
The-FIR-filter-design
- （附带有文档，文档中有方案，有程序有结果，设计完后对一段语音进行处理）给定滤波器的规一化性能指标（参考指标,实际中依据每个同学所叠加噪声情况而定）通带截止频率wp=0.25*pi。 采用窗函数法设计低通、高通、带通型FIR滤波器，对叠加噪声前后的语音信号进行滤波处理，绘出滤波器的频域响应，绘出滤波后信号的时域波形和频谱，并对滤波前后的信号进行对比，分析信号的变化；在相同的性能指标下比较各方法的滤波效果，并从理论上进行分析-(With the document, document, program
E_plot
- plot函数的作用，主要描述了plot的作用，用于实现函数！-the function of plot function
Wireless
- to find the error function and plot it and to find the cell coverage and plot it..
chebyshevfilter
- 运用matlab实现chebyshevfilter滤波器功能并plot出波形图-Use matlab to achieve chebyshevfilter filter function and plot the waveform chart
ellipticfilter
- 运用matlab实现elipticfilter滤波器功能并plot出波形图-Use matlab to achieve elipticfilter filter function and plot the waveform chart
ambiguityfunction.py
- Ambiguity function plot in python language
Survey
- 生成纵横向四阶方程，计算特征根，传递函数等，给出波特图及尼科尔斯图。- SURVEY is set up to make calculations based on the 12 x 12 Fmodel and 12 x 7 Gmodel produced by FLIGHT, with the generic business jet model trimmed for flight at V = 102 m/s and h = 3,050 m. The flags are set to ge
aaa
- 该函数返回值为积分结果，形参a,b分别为积分上下限，fun是被积函数。该函数用来求积分值。-This function returns a value of the integration result, parameters a, b is the integral upper and lower limits, respectively, fun is the plot function. This function is used to find the integral value
提取语音信号基频
- 用自相关函数提取语音信号基频，提取音频文件的基频等高线(Use the autocorrelation function on segments of the signal (windowsize: 100ms) and compute the fundamental frequency. Use a max_time_lag of 100ms in the autocorrelation function and a window shift of 25ms. Create a fundame
audio_tezheng
- 语音信号的时域、频域与倒谱域分析。 1.分析一帧清音和浊音的自相关函数和倒谱系数 2.用Matlab画出该段语音的时域波形、短时能量、短时平均幅度、短时过零率、短时过电平率 3.选择一帧无声、清音和浊音的语音，用Matlab画出它们的对数幅度谱(Time domain, frequency domain and cepstrum domain analysis of speech signals. 1. Analyze the autocorrelation function and c