pde-for-solving-partial-differential-equation

Wavelet Subband coding for speaker recognition The fn will calculated subband energes as given in the att tech paper of ruhi sarikaya and others. the fn also calculates the DCT part. using this fn and other algo for pattern classification(VQ,GMM) speaker identification could be achived. the progress in extraction is also indicated by progress bar.(Wavelet Subband coding for speaker recognitionThe fn will calculated subband energes as given in the att tech paper of ruhi sarikaya and others. The fn also calculates the DCT part. Using this fn and other algo for pattern classification (VQ, GMM) speaker identification could be achived. the progress in extraction is also indicated by progress bar.)

S u r f e r自动控制技术在气象资料 自动成图中的应用 (Ab s t r a c t ： The ma i n f un c t i o n s o f Su r fe r s o f t wa r e，Ac t i v e X a u t o ma t i o n t e c h ni q ue a nd t he i n t e r fa c e o f VB a p p l i c a t i o n a n d S u r fe r a r e i nt r o— d u c e d i n t h i s p a p e r ．I t i s a l s o i n t r o d u c e d h o w t o c o mb i n e t h e s t r o n g a b i l i t y o f d e v e l o p me n t u s i n g VB s o f t wa re a n d t he s t r o n g ma p p i n g i n Su r f e r b a s e d o n t he i n t e r fa c e．a nd t he k e y pr og r a m t o C a ／ T y o u t t h e i nt e r fa c e t e c hn i q u e a nd a c a s e o f a p pl i c a t i o n a ut o ma t i c ma p pi n g a r e pr e s e n t e d． )

an algorithm to calculate fast fourier transform of sound signal

利用三比值法实现充油电气设备的故障诊断，对气体的相对含量进行分析，得出对故障状态较可靠的诊断(The use of three-ratio method to achieve oil-filled electrical equipment fault diagnosis, the relative content of the gas to be analyzed, the state obtained a more reliable fault diagnosis)

sar图像去噪的几种新的方法，到达过程是的泊松过程，ML法能够很好的估计信号的信噪比。( Several new methods sar image denoising, Arrival process is a Poisson process, ML estimation method can be a good signal to noise ratio.)

带约束的遗传算法，自带例子可以实现，对于遗传算法的初学者也是很好的程序。(Constrained genetic algorithm, carrying examples can be achieved for the beginners of the genetic algorithm is a very good procedure.)

用matlab实现音频处理功能，两个音频文件模和相位互换，比较互换之后的音频文件的效果(using Matlab achieve audio processing functions, two audio files modulus and phase swap Comparing the exchange of audio files after the results)

模型是进行控制与稳定性分析的基础，可以服务于仿真、系统行为分析、系 统内在机理分析、控制、预测、监督与故障诊断等目的。因此，建立系统的模型 已成为许多科学研究与工程实施的首要问题。(Model is the basis for control and stability analysis, can serve simulation, system behavior analysis, the internal mechanism of the system analysis, control, forecasting, monitoring and troubleshooting purposes. Therefore, the establishment of the system model has been implemented for many scientific and engineering the most important issue.)

gps与matlab仿真，模拟卫星的运动,后续程序正在写。(gps with matlab simulation, motion simulation of the satellite, the follow-up program is being written.)

说明：  SPI 函数模块，用于读取，非常好用，适用于初学者。(SPI function module to read, very easy to use, suitable for beginners.)