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利用小波变换模极大值方法进行信号检测的实验，下面是我在MATLAB中做的程序(Using wavelet transform modulus maxima method of signal detection experiments, the following is what I do in the MATLAB procedure)

说明：  比较俯仰角度分别为60°，90°，以及极化参数为60°和90°时的三极子天线和两极子天线的均方根误差(Comparison of tilt angles of 60 °, 90 °, and the polarization of 60 ° and 90 °, three-pole antenna and polarization Antenna root mean square error)

matlab设计小数延时滤波器：滤波器长度,期望延迟量可调整(matlab design fractional delay filter: filter length, adjustable delay expected)

D-S证据理论数据融合，对球谐函数图形进行仿真,数学方法是部分子空间法。( D-S evidence theory data fusion, Of spherical harmonics graphic simulation, Mathematics is part of the subspace.)

说明：  matlab程序，使用布谷鸟搜索算法进行函数寻优，可以直接使用(cuckoo search algorithm)

产生随机比特流 并进行2ASK 2FSK 2PSK 2DPSK调制(Generate random bit stream and make 2ASK 2FSK 2PSK 2DPSK modulation)

完整的雷达系统仿真MATLAB源代码 包括天线设计，脉冲压缩等等 (MATLAB simulation of the complete source code for radar systems, including antenna design, pulse compression, etc.)

说明：  本文在DCT噪声信号模型研究的基础上,提出了一种新的音频水印嵌入位置选择策略和一个应用该策略的自适应音频水印算法. 通过定义DCT系数的噪声敏感度,建立了水印嵌入位置和嵌入水印后的音频信号的听觉感知性之间的关系,根据音频水印的不可听性的要求选择最优的嵌入位置,然后调节水印强度来满足鲁棒性的要求,从而最大程度地保持音频水 印的不可听性和鲁棒性,为解决音频水印嵌入过程中不可听性和鲁棒性之间的矛盾提供了一种策略.(Though m any w orks in the literature agree that w aterm ark should be em bedded in the middle2fre2 quency coefficients or percep tually significant components, how to determ ine the position em bedded has no universal definition. A new em bedding strategy and an algorithm app lying the strategy are p roposed for audio w aterm arking in DCT dom ain based on research of DCT noise m odal. B y defining a noise sensitivity vector, a m ath relationship betw een the w aterm ark em beddable position and the audible quality of the audio file w ith w aterm ark is set up.)

low pass filter that applaied on image

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