CFAR

CFAR方法实现
2020-09-06 15:20:13 +08:00
parent c70b7d34d6
commit 34c17ce82a
4 changed files with 243 additions and 0 deletions
--- a/OS_Pd_Fun.m
+++ b/OS_Pd_Fun.m
@@ -0,0 +1,4 @@
+function [Pd]=OS_Pd_Fun(R,k,T,lammbd)
+%计算OS-CFAR的检测概率
+%输入参数位R：参考单元数据，k：选取第k个排序值作为背景估计值,lammbd:信噪比,T：检测门限
+Pd=k*nchoosek(R,k)*gamma(R-k+1+T/(1+lammbd))*gamma(k)/gamma(R+T/(1+lammbd)+1);