[Commit-gnuradio] r4172 - gnuradio/branches/developers/n4hy/ofdm/gnuradio-examples/python/ofdm

[trondeau]

Author: trondeau
Date: 2006-12-20 18:26:52 -0700 (Wed, 20 Dec 2006)
New Revision: 4172

Added:
   
gnuradio/branches/developers/n4hy/ofdm/gnuradio-examples/python/ofdm/fftshift.py
Log:
test program for fftshift and ifftshift -- needs to be moved

Added: 
gnuradio/branches/developers/n4hy/ofdm/gnuradio-examples/python/ofdm/fftshift.py
===================================================================
--- 
gnuradio/branches/developers/n4hy/ofdm/gnuradio-examples/python/ofdm/fftshift.py
                            (rev 0)
+++ 
gnuradio/branches/developers/n4hy/ofdm/gnuradio-examples/python/ofdm/fftshift.py
    2006-12-21 01:26:52 UTC (rev 4172)
@@ -0,0 +1,44 @@
+#!/usr/bin/env python
+
+from gnuradio import gr
+
+class my_graph(gr.flow_graph):
+    def __init__(self):
+        gr.flow_graph.__init__(self)
+
+        length = 101
+
+        data_r = range(length)
+        data_i = range(length,2*length)
+        src_r = gr.vector_source_s(data_r, False)
+        src_i = gr.vector_source_s(data_i, False)
+        s2f_r = gr.short_to_float()
+        s2f_i = gr.short_to_float()
+        f2c = gr.float_to_complex()
+        s2v = gr.stream_to_vector(gr.sizeof_gr_complex, length)
+
+        shift = True
+        ifft = gr.fft_vcc(length, False, [], shift)
+        fft  = gr.fft_vcc(length, True, [], shift)
+        
+        v2s = gr.vector_to_stream(gr.sizeof_gr_complex, length)
+        snk_in = gr.file_sink(gr.sizeof_gr_complex, "fftshift.in")
+        snk_out = gr.file_sink(gr.sizeof_gr_complex, "fftshift.out")
+
+        self.connect(src_r, s2f_r, (f2c,0))
+        self.connect(src_i, s2f_i, (f2c,1))
+        self.connect(f2c, snk_in)
+        self.connect(f2c, s2v, ifft, fft, v2s, snk_out)
+        
+
+def main():
+    fg = my_graph()
+    fg.start()
+    fg.wait()
+
+if __name__ == "__main__":
+    try:
+        main()
+    except KeyboardInterrupt:
+        pass
+    


Property changes on: 
gnuradio/branches/developers/n4hy/ofdm/gnuradio-examples/python/ofdm/fftshift.py
___________________________________________________________________
Name: svn:executable
   + *