mean-filter1

正交频分复用技术的MATLAB软件模拟仿真(Orthogonal frequency division multiplexing of the MATLAB simulation software)

声源定位中，提高时延估计精度的一种方法，即通过将原始信号取其立方后在做相关，得到的峰值更加尖锐。(Sound localization, the increase in the accuracy of time delay estimation method, whichever is the original signal through the cube after doing related to the peak obtained is more acute.)

说明：  本文在DCT噪声信号模型研究的基础上,提出了一种新的音频水印嵌入位置选择策略和一个应用该策略的自适应音频水印算法. 通过定义DCT系数的噪声敏感度,建立了水印嵌入位置和嵌入水印后的音频信号的听觉感知性之间的关系,根据音频水印的不可听性的要求选择最优的嵌入位置,然后调节水印强度来满足鲁棒性的要求,从而最大程度地保持音频水 印的不可听性和鲁棒性,为解决音频水印嵌入过程中不可听性和鲁棒性之间的矛盾提供了一种策略.(Though m any w orks in the literature agree that w aterm ark should be em bedded in the middle2fre2 quency coefficients or percep tually significant components, how to determ ine the position em bedded has no universal definition. A new em bedding strategy and an algorithm app lying the strategy are p roposed for audio w aterm arking in DCT dom ain based on research of DCT noise m odal. B y defining a noise sensitivity vector, a m ath relationship betw een the w aterm ark em beddable position and the audible quality of the audio file w ith w aterm ark is set up.)

Code division multiple access (CDMA) is a channel access method used by various radio communication technologies. CDMA is an example of multiple access, which is where several transmitters can send information simultaneously over a single communication channel. This allows several users to share a band of frequencies (see bandwidth). To permit this to be achieved without undue interference between the users CDMA employs spread-spectrum technology and a special coding scheme (where each transmitter is assigned a code). Each user in a CDMA system uses a different code to modulate their signal. Choosing the codes used to modulate the signal is very important in the performance of CDMA systems. The best performance will occur when there is good separation between the signal of a desired user and the signals of other users.

永磁同步电动机反推速度控制，很不错，控制效果很好(Backstepping speed permanent magnet synchronous motor control, very good)

说明：  基于电网电压定向的矢量控制策略，其中只是电流内环部分。(The vector control strategy based on grid voltage orientation is only the inner current loop.)

clark transformer in matlab

matlab命令，方便初级使用者查询命令(matlab command to facilitate the initial user query command)

Underdetermined Anechoic Blind Source

matlab符号计算基础教程。简单明了，很适合初学者(matlab symbolic computation Essentials. Simple, it is suitable for beginners)