Open Access
表2
直方图滤波测距算法描述
| Input: 接收信号数据x[n] |
| 声场先验概率密度f(x[n]sk[n])∀k=1, …, K |
| 状态更新方程f(sk[n]|sj[n-1] |
| 前一时刻的后验概率密度f(sj[n-1]|x[1], …, x[n-1]) |
| 1 for k=1, 2, …, K, 执行 |
| 2 状态更新步骤: |
| 3 f(sk[n]|x[1], …, x[n-1])= |
|
| 4 结果预测步骤: |
| 5 f(sk[n]|x[1], …, x[n])= |
| ηf(x[n]|sk[n])f(sk[n]|x[1], …, x[n-1]) |
| 6 end |
7 规范化为:  |
| Output: f(sk[n]|x[1], …, x[n-1]) k=1, 2, …, K |
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