utils: calc sync words

utils/sync_words.py

@@ -0,0 +1,33 @@
+#!/usr/bin/env python
+
+
+short  = tuple([(52**.5/24**.5) * x for x in [0, 0, 0, 0, 0, 0, 0, 0, 1+1j, 0, 0, 0, -1-1j, 0, 0, 0, 1+1j, 0, 0, 0, -1-1j, 0, 0, 0, -1-1j, 0, 0, 0, 1+1j, 0, 0, 0, 0, 0, 0, 0, -1-1j, 0, 0, 0, -1-1j, 0, 0, 0, 1+1j, 0, 0, 0, 1+1j, 0, 0, 0, 1+1j, 0, 0, 0, 1+1j, 0, 0, 0, 0, 0, 0, 0]])
+
+long_norm = tuple([0, 0, 0, 0, 0, 0, 1, 1, -1, -1, 1, 1, -1, 1, -1, 1, 1, 1, 1, 1, 1, -1, -1, 1, 1, -1, 1, -1, 1, 1, 1, 1, 0, 1, -1, -1, 1, 1, -1, 1, -1, 1, -1, -1, -1, -1, -1, 1, 1, -1, -1, 1, -1, 1, -1, 1, 1, 1, 1, 0, 0, 0, 0, 0])
+
+
+mul = tuple([1, -1j, -1, 1j] * 16)
+long_rot = tuple([x * y for x, y in zip(long_norm, mul)])
+
+
+sync = tuple([short, short, long_rot, long_norm])
+
+
+assert(len(short)     == 64)
+assert(len(long_norm) == 64)
+assert(len(long_rot)  == 64)
+assert(len(sync)      == 4)
+
+print "power short: " + str(sum([abs(x)**2 for x in short]))
+print "power long: " + str(sum([abs(x)**2 for x in long_norm]))
+
+print "sync sequence"
+print sync
+print "len sync: " + str(len(sync))
+
+
+
+
+
+
+