ECEF_GLS

Garder 大作，通信领域同步大拿Garder的经典著作！精通锁相环！(Garder masterpiece, the communication field synchronization big take Garder classics! Proficient in phase-locked loop!)

用Matlab进行弹道解算的主程序。适合初学者使用。(Trajectory Calculation using Matlab main program. Suitable for beginners to use.)

Improved ant clustering algorithm

OFDM系统利用频域LS算法解决IQ不平衡问题(Solve IQ Imbalance problem for OFDMSystem)

This is the explanation about the data encryption, and this can be mostly used in the stegnography and cryptography, This encrypts the data such as image or any data file and can be used in hiding.

minihelp to simulate in MATLAB for everyone, fot beginners too

合作检测算法，各种传统判决规则，基于能量检测算法(coorporated detection)

说明：  基于已知特性信道的QAM系统的仿真和性能分析(Based on the known characteristics of the QAM channel system simulation and performance analysis)

sar radar raw processing. whit this m file you can compress the raw data

说明：  梯度下降法是一個一階最佳化算法，通常也稱為最速下降法。 要使用梯度下降法找到一個函數的局部極小值，必須向函數上當前點對應梯度（或者是近似梯度）的反方向的規定步長距離點進行疊代搜索。如果相反地向梯度正方向疊代進行搜索，則會接近函數的局部極大值點；這個過程則被稱為梯度上升法。(The gradient descent method is a first-order optimization algorithm, also commonly referred to as the steepest descent method. To find the local minimum of a function using the gradient descent method, an iterative search must be performed to the specified step distance point in the opposite direction of the gradient (or approximate gradient) of the current point on the function. If the search is reversed in the opposite direction to the positive direction of the gradient, it will approach the local maximum point of the function; this process is called the gradient ascent method.)