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-rw-r--r--src/gr-fadingui/python/multipath_fading.py15
1 files changed, 6 insertions, 9 deletions
diff --git a/src/gr-fadingui/python/multipath_fading.py b/src/gr-fadingui/python/multipath_fading.py
index 02b3bb4..3c34a79 100644
--- a/src/gr-fadingui/python/multipath_fading.py
+++ b/src/gr-fadingui/python/multipath_fading.py
@@ -31,7 +31,7 @@ class multipath_fading(gr.sync_block):
"""
docstring for block multipath_fading
"""
- def __init__(self, amplitudes=[], delays=[], los=True): # only default arguments here
+ def __init__(self, amplitudes, delays, los): # only default arguments here
"""arguments to this function show up as parameters in GRC"""
gr.sync_block.__init__(
self,
@@ -61,22 +61,20 @@ class multipath_fading(gr.sync_block):
inp = input_items[0]
oup = output_items[0]
+
if len(self.amplitudes) != len(self.delays): # Test: Es muss gleich viele Werte für Delays und Amplituden haben.
raise Exception("Amplitudes and Delay length dont match")
-
-
- #TO DO negativ check
+ if np.min(self.delays)<0: #Negativ Check
+ raise Exception("Delay can't be negativ")
-
# raise Exception("Delay length can't be one")
#if np.min(self.delays)<=1:
# raise Exception("Delay length can't be one")
- #max_len = np.max(self.delays) #Max Werte herausfinden für länge
- #sum_x = np.zeros(max_len)
- max_order = 2 * np.floor(np.max(self.delays)) + 1
+
+ max_order = 2 * np.floor(np.max(self.delays)) + 1 #Max Werte herausfinden für länge
max_samples = np.arange(0, max_order +1)
max_len = len(max_samples) #Für Filter
@@ -110,7 +108,6 @@ class multipath_fading(gr.sync_block):
# signal_shifted = np.convolve(h, inp, mode='full')
# y = signal_shifted
- #y+=np.concatenate([self.temp,np.zeros(len(y)-len(self.temp))])
y+=np.concatenate([self.temp,np.zeros(len(y)-len(self.temp))])
oup[:] = y[:len(inp)]