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这是pi_4_DQPSK的MATLAB仿真源程序，很好的仿真了这种数字调制和解调(This is pi_4_DQPSK the MATLAB simulation of source, a good simulation of this kind of digital modulation and demodulation)

butterworth滤波器，可实现高通低通滤波(butterworth filter, low pass filter high-pass)

matlab中的相关算法已通过验证，以及声音谱的对比(matlab related algorithms have been validated, as well as the voice of spectral contrast)

对正选信号进行仿真，并分别通过时域和频域对其延迟，对比延迟效果(A signal being selected for simulation, respectively, through the effect of the time and frequency domains its delay, Comparative delay)

精通matlab.pdf(1,715,585 字节)(matlab learning)

maltab code for Detect circles with various radii in grayscale image via Hough Transform

智能优化算法，其中为人工免疫算法，可以为初学者提供帮助。(Intelligent optimization algorithms)

matlab编制的五波峰脉冲调制信号，应用heaviside脉冲函数(Five crest pulse modulated signal matlab compiled application heaviside pulse function)

杂波环境下基于JPDA的二平台2变加速运动目标航迹关联与融合仿真程序(JPDA based target tracking in clutter)

本源代码给出了一个完整的蜂窝移动通信系统的仿真程序实例,开发环境是matlab,希望可以从事此方面工作的人员提供一个借鉴.(Source code is given a complete cellular mobile communication system simulation program examples, the development environment is matlab, hope that we can engage in this work provide a reference.)