diff options
Diffstat (limited to 'simulation/QAM_Fading/epy_block_0.py')
| -rw-r--r-- | simulation/QAM_Fading/epy_block_0.py | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/simulation/QAM_Fading/epy_block_0.py b/simulation/QAM_Fading/epy_block_0.py index 286e5f1..8fbab3d 100644 --- a/simulation/QAM_Fading/epy_block_0.py +++ b/simulation/QAM_Fading/epy_block_0.py @@ -27,9 +27,10 @@ class blk(gr.sync_block): # other base classes are basic_block, decim_block, in self.amplitudes = amplitudes self.delays = delays self.temp = [0] - if los: - self.amplitudes.append(1) - self.delays.append(0) + # if los: + # self.amplitudes.append(1) + # self.delays.append(0) + self.los= 1 #self.fir = def work(self, input_items, output_items): @@ -46,20 +47,25 @@ class blk(gr.sync_block): # other base classes are basic_block, decim_block, in max_len = np.max(self.delays) sum_x = np.zeros(max_len) for(a,d) in zip(self.amplitudes,self.delays): - if d-1 <= 0: - x = np.concatenate([[a], np.zeros(max_len-1)]) - else: - x = np.concatenate([np.zeros(d-1), [a], np.zeros(max_len-d)]) + # if d-1 <= 0: + # x = np.concatenate([[a], np.zeros(max_len-1)]) + # else: + x = np.concatenate([np.zeros(d-1), [a], np.zeros(max_len-d)]) sum_x += x - + #sum_x[0] = self.los + print(sum_x) + H_int = fft(sum_x) - h = ifft(H_int) + h = ifft(H_int) + #h[0]=1 - y = np.convolve(inp, h) + y = np.convolve(inp, sum_x) + y+=np.concatenate([self.temp,np.zeros(len(y)-len(self.temp))]) + oup[:] = y[:len(inp)] self.temp = y[len(inp):] |