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自适应外差滤波器matlab代码：采用调制技术，控制正余弦信号对准干扰的频率，将输入的干扰搬移到的低频进行滤波，滤波处理后的信号再经过一次调制搬移到原来的频率位置，这样我们就得到了合适的干扰复制信号，再将输入信号和干扰复制信号进行差分运算达到抑制干扰的目的(Adaptive heterodyne filter matlab code)

利用射线追踪法实现地震波场层析成像.在石油行业中,此过程是地震资料应用的一个重要步骤(The use of ray tracing method to achieve seismic wavefield tomography. In the oil industry, this process is the application of seismic data as an important step)

支持向量机和主成份分析的人脸检测代码，适合初学者。(Face detection code support vector machine and principal component analysis, suitable for beginners.)

说明：  介绍了用硬件实现调制宽带转换器的方法，以及用Matlab实现仿真验证的方法，对于了解调制宽带转换器系统有很大帮助(Modulated wideband converter with hardware, and simulation with Matlab, a great help for understanding modulated wideband converter system)

卷积码不同码型的性能比较，通过改变生成多项式，可以仿真不同的码型(Comparison of the performance of a convolutional code different patterns, by changing the generator polynomial, the different patterns can be simulated)

为了匹配信道特性达到较佳的传输效果，应选用适当码型，以便在最小传输带宽的条件下大大减小或消除这种干扰。选用了MATLAB软件进行了仿真，设计实现了一些简单的常用码型(In order to match the channel transmission characteristics to achieve better results, should use the appropriate code type, so that under the conditions of minimum transmission bandwidth substantially reduce or eliminate such interference. Use of the MATLAB simulation software, designed and implemented some simple common pattern)

Plotting Wavelet Transform of an image (2nd level decomposition)

斜视模式下星载雷达RD成像算法的研究,对雷达研究者有用！(Squint mode satellite radar imaging RD algorithm of the study，It is help for the people that study radar )

Astrodynamics library file crack

该算法非常适用于正系统、正切换系统等仿真(NUMERICAL SIMULATION FOR POSITIVE SYSTEMS and positive switched system)