3、WVD的性质
1. WVD的实数性和对称性
(1) WVD 是t和w的实函数。
证明 对定义式的两边取共轭, 得到
令τ′=-τ, 则
因此
2021-11-23 17:03:41
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2021-11-19 10:56:03
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假设一平稳随机信号为 ，其中 是均值为0，方差为1的白噪声，数据长度为1024。
假设均值为0，方差为1的白噪声 中混有两个正弦信号，该正弦信号的频率分别为100Hz和110Hz，信噪比分别为10dB和30dB，初始相位都为0，采样频率为1000Hz。
2021-11-16 18:47:21
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现代数字信号处理的一些习题及总结，用来备战期末考试，维纳滤波、卡尔曼滤波、自适应滤波器、含一些matlab代码...
2021-11-16 09:04:26
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