- added

git-svn-id: http://moon:8086/svn/matlab/trunk@153 801c6759-fa7c-4059-a304-17956f83a07c
2021-03-22 20:28:22 +00:00
parent 1b5742e13e
commit b31f3e7435
140 changed files with 6054 additions and 0 deletions
@@ -0,0 +1,21 @@
+% Power estimation on discrete signals
+function [y,yf] = rms(x,Nw,yi)
+
+N = length(x);
+y = zeros(1,N);
+
+
+Nb = ceil(N/Nw);
+xp = zeros(1,Nb*Nw);
+yp = zeros(1,Nb*Nw);
+
+xp(1:N) = x(1:N);
+yp(1) = abs(x(1));
+
+for k = 1:Nb-1,
+  for n = (k-1)*Nw+2:k*Nw+2,
+    yp(n) = yp(n-1)*(1-1/Nw) + 1/Nw*abs(x(n));
+  end;
+end;
+
+y = yp(1:N);