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假设检验例题 7.1 设总体 ，其中参数 ， 为未知，试指出下面统计假设中哪些是简单假设，哪些是复合假设： （1） ； （2） ； （3） ； （4） ； （5） . 解：（1）是简单假设，其余位复合假设 (Hypothesis testing for Example 7.1 overall, including parameters, is unknown, pointed out that the following statistical hypothesis test which is a simple assumption, which is a compound hypothesis: (1) (2) (3) (4) (5). Solution : (1) is a simple assumption, the remaining bit composite hypothesis)

matlab coding of the ask

多个体系统的集体行为是复杂系统研究的重要切入点, 而Vicsek 模型是 研究多个体系统的一个基本模型, 它具备了复杂系统的一些关键特征, 如动态行 为、局部相互作用和变化的邻居关系等.(Collective behavior of multi agent system is an important entry point for complex system research, and Vicsek model is a basic model of multi agent system, which has some key features of complex system, such as dynamic behavior, local interaction and changing neighbor relations)

说明：  主动频率偏移法的改进,可以作为参考，只是需要一定的文献才能看懂(this s a typical method to solve the problem about the isolated land)

三分之一倍频程，用于信号的能量分析，特别是噪声频道的能量(octave for noise analysis)

测试不同多项式方法由卫星位置内插速度的精度。(Test different polynomial method by the accuracy of the satellite position interpolation speed.)

to binirazition pictures in matlab

毕业设计matlab程序 VBLAST的ZF,MMSE,QR,ZF_IC,MMSE+IC译码程序 (Matlab graduate design program VBLAST the ZF, MMSE, QR, ZF_IC, MMSE+ IC decoding procedures)

仿真8-PSK载波调制信号在AWGN信道下的误码率和误比特率性能，并与理论值相比较。(Under the simulation 8-PSK carrier modulation signal s and harms the bit rate performance in AWGN channel error rate, and compares with the theoretical value.)

图像处理，基于梯度的图像增强算法，matlab代码，自己编写的比较容易理解的程序，包含增强效果比对(Image processing, image enhancement algorithm based on the gradient, matlab code, I have written a program easier to understand, including the enhancement compared to)