TONGUE

多相滤波验证,使用FM单音调制验证多相滤波实现数字下变频技术(verify Multi_phase filter )

最优控制工具书，大师级人物解学书经典力作，研究最优控制必备(Optimal control books, school books gurus solution classic masterpiece, essential Optimal Control)

利用matlab编写的二维fdtd，加点源，pml吸收边界，适合fdtd初学者学习研究(Prepared using matlab dimensional fdtd, plus a point source, pml absorbing boundary, suitable for beginners study fdtd)

讨论了雷达基本概念和技术原理，具体描述了雷达截面、极化、匹配滤波器和雷达模糊函数及雷达波传播的最新进展，并给出了PRN 码，多径和折射、高距离分辨率、杂波和MIT处理的有关内容。新版增加了更多习题，包含丰富的MATLAB程序代码可用于雷达系统的分析和设计，具有很高的实际应用价值。(Discuss the basic concept and principle of radar technology, describes the latest progress of radar cross section, polarization, matching filter and radar ambiguity function and radar wave propagation, and gives the PRN code, multipath and refraction, high range resolution, clutter and MIT related content. The new version adds more exercises, including rich MATLAB program code, which can be used for the analysis and design of radar system, and has high practical value.)

在语音识别系统中，端点检测的目的是要区分语音段和非语音段 ,它在自动语音识别中起着关键作用(In speech recognition systems, the purpose of endpoint detection is to distinguish between voice and non-voice segment, which in automatic speech recognition plays a key role)

一个相当好用的matlab函数，由美国国家可再生能源实验室科研人员设计，可以计算太阳的直射维度和方位角。只要输入时间、观测地点即可。 (This algorithm is based on numerical approximation of the exact equations. The authors of the original paper state that this algorithm should be precise at+/- 0.0003 degrees. I have compared it to NOAA solar table (http://www.srrb.noaa.gov/highlights/sunrise/azel.html) and to USNO solar table (http://aa.usno.navy.mil/data/docs/AltAz.html) and found very good correspondance (up to the precision of those tables), except for large zenith angle, where the refraction by the atmosphere is significant (difference of about 1 degree). Note that in this code the correction for refraction in the atmosphere as been implemented for a temperature of 10C (283 kelvins) and a pressure of 1010 mbar. See the subfunction un_topocentric_zenith_angle_calculation� for a possible modification to explicitely model the effect of temperature and pressure as describe in Reda & Andreas (2003). )

粒子群算法（PSO）的优化程序，通用，很好用的。。(PSO Optimization program)

simple Least Mean Square(LMS) filter

无刷直流电机双反馈闭环控制，建模仿,MATLAB仿真，监测数据。(Double feedback closed loop control of Brushless DC motor, modeling and simulation)

直方图是用面积表示各组频数的多少，矩形的高度表示每一组的频数或频率，宽度则表示各组的组距，因此其高度与宽度均有意义。 程序提取了很多直方图所需要的参数特征，如均值、方差、偏度、峰度、能量和熵。 (Histogram is that each group size the number of frequency, the height of the rectangular frequency of each group said that the number or frequency, the width of that group from each group, so the significance of height and width of both. Extraction procedures need a lot of parameters histogram features, such as mean, variance, skewness, kurtosis, energy and entropy.)