power_acdrive

实现了用DCT变换进行噪声估计的功能，代码已经实现过了，可用哦。(DCT transform noise estimation function, the code has been achieved, can be used.)

说明：  时频分析工具箱《基于MATLAB的系统分析与设计——时频分析》源码(Time-Frequency Analysis Toolbox)

ACPR_CAL 测量函数 测量函数测量函数(ACPR_CAL ACPR_CAL ACPR_CAL)

对qpsk一个整体的仿真，从源信号的生成，调制，加载波，解调等，步骤清晰，与通用教材原理图逐步仿真而来(Qpsk simulation of a whole, the signal generated from a source, modulation, plus carrier demodulation step clarity, and general simulation of materials gradually from the schematic)

分别仿真16阵元的十字阵列、线阵、面阵和圆阵的LS算法的方向图，对阵列信号处理的同学有帮助。(Simulation 16, respectively, the cross element array, linear array, planar array and the circular array pattern LS algorithm, array signal processing to help students.)

MATLAB金融工具箱，包括固定收益证券、经济经济学、金融工具、金融衍生品工具箱(MATLAB Financial Toolbox, including fixed income securities, economic economics, financial instruments, financial derivatives Toolbox)

imfreqfilt函数 对灰度图像进行频域滤波 参数I 输入的空域图像 参数ff 应用的与原图像等大的频域滤镜( imfreqfilt function for gray image frequency domain filtering Parameters I entered the airspace image)

maximum likelihood estimation

dpcm是差分相移键控编码实现的方式，具有很详尽的说明(dpcm Coding)

KPCA 介绍核PCAdehanshumokuai (matlab KPCA)