envelope

对qpsk在高斯信道条件下合瑞利先到条件下的误码率进行了仿真(On the Gaussian channel in qpsk conditions together under the conditions of Rayleigh first simulated bit error rate)

设计一个信号发生器,并同时画出信号的时域表 示，自相关函数及功率谱(Design of a signal generator and simultaneously draw the time domain representation of the signal, the autocorrelation function and the power spectrum)

格-梯型结构的LMS算法，按照最小均方准则，设计出阶数和时间分别递推的自适应滤波器，可以进行梯型滤波，又具有格型预测前后节独立、收敛快速的优点，但计算量大。(Grid- LMS algorithm in a ladder-type structure, in accordance with the minimum mean square criterion, design order and time adaptive recursive filter, ladder filter, and lattice prediction independent front and rear section, and fast convergence.but computationally intensive.)

空时编码的几种天线比较，实现空间的分集增益，(Several antenna space-time coding, spatial diversity gain,)

通过固定波束形成算法进行语音增强的一个仿真程序，这个算法是麦克风阵列语音增强里最基本的，值得研究。(Formed by a fixed beam speech enhancement algorithm, a simulation program, this algorithm is the microphone array speech enhancement in the most basic, is worth studying.)

Learning Belendr persian language

没有用工具箱的DCT变换，采用不同压缩率，能够加深对DCT变换的了解。(Do not use toolbox of DCT, using different compression ratios, to deepen understanding of the DCT transform.)

本文针对基于经验模态分解ＥＭＤ的时空滤波器存在的固有模态函数分量中频率混叠交叉导致有用信号与噪声一起被滤除的问题结合小波在时间尺度两域表征信号局部特征的特性提出了一种基于能量估计实现ＥＭＤ分解层数确定(In this paper, based on empirical mode decomposition EMD temporal filter mode functions inherent component of cross-frequency aliasing and noise together lead to useful signal is filtered in the time scale of the problem combined with wavelet domain characterization of two local features of the signal characteristics of proposed achieve energy estimation based on EMD decomposition level determined)

lasso算法，分为很多子类，可以单独运行(lasso algorithm)

水准测量的点位精度和平差后的点的坐标。可以利用该程序得到误差椭圆。(Leveling point precision of peace after the coordinates of the points difference. The program can be obtained using the error ellipse.)