def test_002_correlation_b(self): for degree in range(1,11): # Higher degrees take too long to correlate src = digital.glfsr_source_b(degree, False) b2f = digital.chunks_to_symbols_bf((-1.0,1.0), 1) dst = blocks.vector_sink_f() del self.tb # Discard existing top block self.tb = gr.top_block() self.tb.connect(src, b2f, dst) self.tb.run() self.tb.disconnect_all() actual_result = dst.data() R = auto_correlate(actual_result) self.assertEqual(R[0], float(len(R))) # Auto-correlation peak at origin for i in range(len(R)-1): self.assertEqual(R[i+1], -1.0) # Auto-correlation minimum everywhere else
def test_002_correlation_b(self): for degree in range(1,11): # Higher degrees take too long to correlate src = digital.glfsr_source_b(degree, False) b2f = digital.chunks_to_symbols_bf((-1.0,1.0), 1) dst = gr.vector_sink_f() del self.tb # Discard existing top block self.tb = gr.top_block() self.tb.connect(src, b2f, dst) self.tb.run() self.tb.disconnect_all() actual_result = dst.data() R = auto_correlate(actual_result) self.assertEqual(R[0], float(len(R))) # Auto-correlation peak at origin for i in range(len(R)-1): self.assertEqual(R[i+1], -1.0) # Auto-correlation minimum everywhere else
def test_001_degree_b(self): self.assertRaises(RuntimeError, lambda: digital.glfsr_source_b(0)) self.assertRaises(RuntimeError, lambda: digital.glfsr_source_b(33))
def test_000_make_b(self): src = digital.glfsr_source_b(16) self.assertEquals(src.mask(), 0x8016) self.assertEquals(src.period(), 2**16-1)
def test_000_make_b(self): src = digital.glfsr_source_b(16) self.assertEquals(src.mask(), 0x8016) self.assertEquals(src.period(), 2**16 - 1)