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apkpskqam
- 本程序主要分析了三种调制方式对放大器非线性的敏感度，从中得出结论，APSK信号最佳。-the procedures of the three main methods of modulation of the nonlinear amplifier sensitivity, draw conclusions, APSK best signal.
pcm_encode
- C语言实现的8bitA律13折线PCM编码，适合编码初学者参考借鉴。-C language of the law 8bitA 13 dogleg PCM coding, coding for beginners draw on.
A_rate_of_13_c_dc
- A率13折线的编译码实现 1、了解PCM及13折线A率编码及译码的原理； 2、随机给出一个语音信号，并用A率13折线PCM对其编码； 3、将编码后的信号经过加性高斯白噪声信道，并在接收端对其进行译码； 4、分别画出原始语音信号、PCM编码信号以及译码后信号的波形。 -A rate of 13 polyline encoding and decoding implementation 1, to understand the principles of PCM and th
shuangxianxing
- 双线性变换法设计Butterworth滤波器。分别画出滤波前和滤波后的时域图和频谱图。-Bilinear transform design Butterworth filter. Draw the pre-filter and the filtered time-domain and frequency spectrum.
yinpingshiyan
- 分别取长度N=160和N’=N+K的矩形窗函数作用于语音信号上，首先对其进行中心削 波，比较削波前和削波后语音信号波形，并使得削波后的信号进行乘积并求和，计算延迟为0<K<160时的相关值，并且用得到的相关值来检测语音信号的基音周期，用MATLAB画出图形。 -Length N = 160 were taken and N = N+ K rectangular window function in the role of the speech signal, the f
SoundAcquisition
- 在matlab中利用声卡对语音信号进行实时采集，并采集波形图，对采集信号进行频谱分析，画出频谱图，能查找峰值频率。有详细的注释和参数调整说明-In Matlab using real- time audio of the speech signal acquisition and acquisition waveform, Spectral Analysis of Signals and draw the spectrum, can find the peak frequency.A detai
KELAMO
- 验证克拉默不等式，也就是使得无偏估计量的方差达到一个下限。这时就要首先得到一个随机的无偏估计量，然后计算出其方差并绘制图形，最后绘制克拉默的界限图。-Verify Cramer inequality, which is so unbiased estimators of variance reaches a limit. Then we must first obtain a random unbiased estimator, then calculate its variance and g