radio_pf

用于产生线性调频信号，在时频分析中非常常用(used to proceed linear-time frequency modulated signal, it is very uesful in signal porcessing)

转载leiqui的内容，QPSK仿真内容，附件模型是根据书上的原理图进行组织，每一模块都呈现。例如I/Q分路，调制，解调，判决等。 (Reproduced leiqui content, QPSK simulation content, attachment model is based on the book is organized on the diagram, each module are presented. Such as I/Q splitter, modulation, demodulation, judgments.)

四元数与线性卡尔曼滤波求解INS/GPS组合导航姿态(Four element and linear Calman filtering for INS/GPS integrated navigation attitude)

canny 算法，主要用于图像的边缘检测，是经典的一个方法(canny algorithm, mainly used for image edge detection, is a classical method of)

FDTD method to calculate the bandgap of the TM mode of phononic crystal

一种基于红外图像分层处理及动态压缩的 DDE 算法。该算法先将原始14bits 红外图像数据信息中的大动态低频背景和小动态高频细节进行分离提取，并分别对提取的细节层和背景层进行相应的灰度增强和灰度抑制处理，再调整和压缩各图层的动态范围并最终合成 8bits图 像。实验结果表明，该算法能较好地保留并突出原始红外图像中的边缘和细节信息，达到了预期设计的目标。 (put forward a DDE algorithm based on hierarchical processing and dynamic compression of infrared image． At first，this algorithm dissociates the background ( with wide dynamic and low frequency) and the detail ( with narrow dynamic and high frequency) in the data information ( 14 bits) of original infrared image，and pick up them respectively． Then，it enhances the gray of details layer and restrains the gray of background layer，and readjusts and compresses dynamic range of each layer． Finally，it composites output image ( 8 bits) ． The experimental results show that the proposed algorithm can retain detail information and edges in original infrared image and carry the purpose of design． )

Principle component analysis PCA

ca码的产生，就是GPS中ca码的生成，利用的方针软件(ca generate code, that is, GPS code generated in the ca)

这是利用小波分析进行信号处理的例程，具体内容因为已经很久没看了，所以不好说了(This is the use of wavelet analysis for signal processing routines, the specific content as it has been a long time not seen, so bad that)

The Prony method of finding AR MA ARMA model coefficients