- 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
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+% function b = fir_rrc(fa, T, N, alpha)
+% Root Raised Cosine FIR-Filter
+
+function b = fir_rrc(fa, T, N, alpha)
+
+n = -(N-1)/2:1:(N-1)/2;
+t = n/fa;
+
+A = 4*alpha/(pi*sqrt(T))
+
+nom = 4*alpha*cos((1+alpha)*pi*t/T) + T*sin((1-alpha)*pi*t/T);
+denom = pi*sqrt(T)*(1 - (4*alpha*t/T).^2);
+
+% Find zero elements
+ze = find(abs(alpha*t/T) == 0.25)
+
+%nom(ze) = sqrt(T)*(1 - alpha*(1 - (4/pi)));
+%denom(ze) = 1;
+
+b = nom./denom;
+
+
+
+
+
+