1 files changed, 5 insertions, 6 deletions
diff --git a/hamming.awk b/fir_window.awk
index acfde97..076e5df 100644
--- a/hamming.awk
+++ b/fir_window.awk
@@ -7,18 +7,18 @@
 # 'a0' and 'a1' parameters of the raised cosine.
 
 
-### Gaussian
+# Gaussian window
 function gaussian(n) {
     # sigma <= 0.5
     sigma = 0.4
-    e[n] = (n)/(sigma*M)
+    en[n] = (n - M)/(sigma*M)
     return exp(-0.5*e[n]*e[n])
 }
 
 
-### Hamming, raised cosine
+# Hamming window (raised cosine)
 function hamming(n) {
-    ### optimal values for equal-ripple
+    # optimal values for equal-ripple
     #a0 = 0.53836
     #a1 = 0.46164
 
@@ -28,7 +28,7 @@ function hamming(n) {
 }
 
 
-### vonHann, raised cosine
+# vonHann (raised cosine)
 function vonhann(n) {
     a0 = 0.5
     a1 = 0.5
@@ -54,6 +54,5 @@ BEGIN {
             print n + M, 1.0
         }
     }
-
 }