diff options
Diffstat (limited to '')
| -rw-r--r-- | simulation/QAM_Fading/qam_fading_V2_eigerner_block.grc | 92 |
1 files changed, 68 insertions, 24 deletions
diff --git a/simulation/QAM_Fading/qam_fading_V2_eigerner_block.grc b/simulation/QAM_Fading/qam_fading_V2_eigerner_block.grc index 359e3d0..3b2c926 100644 --- a/simulation/QAM_Fading/qam_fading_V2_eigerner_block.grc +++ b/simulation/QAM_Fading/qam_fading_V2_eigerner_block.grc @@ -10,7 +10,7 @@ options: gen_linking: dynamic generate_options: qt_gui hier_block_src_path: '.:' - id: qam_fading + id: qam_fading_block max_nouts: '0' output_language: python placement: (0,0) @@ -859,41 +859,85 @@ blocks: \ GRC will instantiate the first class it finds\nto get ports and parameters\ \ of your block. The arguments to __init__ will\nbe the parameters. All of\ \ them are required to have default values!\n\"\"\"\n\nimport numpy as np\n\ - from gnuradio import gr\n\n\nclass blk(gr.sync_block): # other base classes\ - \ are basic_block, decim_block, interp_block\n \"\"\"Embedded Python Block\ - \ example - a simple multiply const\"\"\"\n\n def __init__(self, amplitudes=[],\ - \ delays=[]): # only default arguments here\n \"\"\"arguments to this\ - \ function show up as parameters in GRC\"\"\"\n gr.sync_block.__init__(\n\ - \ self,\n name='Embedded Python Block', # will show\ - \ up in GRC\n in_sig=[np.complex64],\n out_sig=[np.complex64]\n\ - \ )\n # if an attribute with the same name as a parameter is found,\n\ - \ # a callback is registered (properties work, too).\n self.amplitues\ - \ = amplitudes\n self.delays = delays\n\n #self.fir = \n\n \ - \ def work(self, input_items, output_items):\n \"\"\"example: multiply\ - \ with constant\"\"\"\n inp = input_items[0]\n oup = output_items[0]\n\ - \ amplitudes = [0.2, 0.5 ,0.8]\n delays = [3,5,2]\n i =\ - \ len(amplitudes)\n\n outp[:] = [([1]+[0 for n in range (0,delays[i])]+[amplitudes[i]])\ - \ for i in range(0,i)]\n\n return len(output_items[0])\n\n\nif __name__\ - \ == '__main__':\n ampl = [0.2, 0.5 ,0.8]\n delays = [3,5,2]\n i =\ - \ len(ampl)\n [([1]+[0 for n in range (0,delays[i])]+[ampl[i]]) for i in\ - \ range(0,i)]\n\n\n" + from numpy.fft import fft,ifft,fftshift\nfrom gnuradio import gr\n\n\nclass\ + \ blk(gr.sync_block): # other base classes are basic_block, decim_block, interp_block\n\ + \ \"\"\"Embedded Python Block example - a simple multiply const\"\"\"\n\n\ + \ def __init__(self, amplitudes=[], delays=[], los=True): # only default\ + \ arguments here\n \"\"\"arguments to this function show up as parameters\ + \ in GRC\"\"\"\n gr.sync_block.__init__(\n self,\n \ + \ name='Embedded Python Block', # will show up in GRC\n in_sig=[np.complex64],\n\ + \ out_sig=[np.complex64]\n )\n # if an attribute with\ + \ the same name as a parameter is found,\n # a callback is registered\ + \ (properties work, too).\n self.amplitudes = amplitudes\n self.delays\ + \ = delays\n self.temp = [0]\n if los:\n self.amplitudes.append(1)\n\ + \ self.delays.append(0)\n #self.fir = \n\n def work(self,\ + \ input_items, output_items):\n \"\"\"example: multiply with constant\"\ + \"\"\n inp = input_items[0]\n oup = output_items[0]\n \n\ + \ if len(self.amplitudes) != len(self.delays):\n raise Exception(\"\ + Amplitudes and Delay length dont match\")\n\n # raise Exception(\"\ + Delay length can't be one\")\n #if np.min(self.delays)<=1:\n #\ + \ raise Exception(\"Delay length can't be one\")\n max_len = np.max(self.delays)\n\ + \ sum_x = np.zeros(max_len)\n for(a,d) in zip(self.amplitudes,self.delays):\n\ + \ if d-1 <= 0:\n x = np.concatenate([[a], np.zeros(max_len-1)])\n\ + \ else: \n x = np.concatenate([np.zeros(d-1),\ + \ [a], np.zeros(max_len-d)])\n sum_x += x\n \n\n H_int\ + \ = fft(sum_x)\n h = ifft(H_int)\n\n\n\n y = np.convolve(inp,\ + \ h)\n y+=np.concatenate([self.temp,np.zeros(len(y)-len(self.temp))])\n\ + \n oup[:] = y[:len(inp)]\n self.temp = y[len(inp):] \n\ + \ \n\n return len(oup)" affinity: '' alias: '' - amplitudes: '[0.2, 0.5 ,0.8]' + amplitudes: '[0.3]' comment: '' - delays: '[3,5,2]' + delays: '[3]' + los: 'True' maxoutbuf: '0' minoutbuf: '0' states: _io_cache: ('Embedded Python Block', 'blk', [('amplitudes', '[]'), ('delays', - '[]')], [('0', 'complex', 1)], [('0', 'complex', 1)], 'Embedded Python Block - example - a simple multiply const', ['delays']) + '[]'), ('los', 'True')], [('0', 'complex', 1)], [('0', 'complex', 1)], 'Embedded + Python Block example - a simple multiply const', ['amplitudes', 'delays']) bus_sink: false bus_source: false bus_structure: null - coordinate: [992, 340.0] + coordinate: [960, 308.0] rotation: 0 state: true +- name: epy_block_1 + id: epy_block + parameters: + _source_code: "\"\"\"\nEmbedded Python Blocks:\n\nEach time this file is saved,\ + \ GRC will instantiate the first class it finds\nto get ports and parameters\ + \ of your block. The arguments to __init__ will\nbe the parameters. All of\ + \ them are required to have default values!\n\"\"\"\n\nimport numpy as np\n\ + from gnuradio import gr\n\n\nclass blk(gr.sync_block): # other base classes\ + \ are basic_block, decim_block, interp_block\n \"\"\"Embedded Python Block\ + \ example - a simple multiply const\"\"\"\n\n def __init__(self, example_param=1.0):\ + \ # only default arguments here\n \"\"\"arguments to this function show\ + \ up as parameters in GRC\"\"\"\n gr.sync_block.__init__(\n \ + \ self,\n name='Embedded Python Block', # will show up in GRC\n\ + \ in_sig=[np.complex64],\n out_sig=[np.complex64]\n \ + \ )\n # if an attribute with the same name as a parameter is found,\n\ + \ # a callback is registered (properties work, too).\n self.example_param\ + \ = example_param\n\n def work(self, input_items, output_items):\n \ + \ \"\"\"example: multiply with constant\"\"\"\n output_items[0][:] =\ + \ input_items[0] * self.example_param\n return len(output_items[0])\n" + affinity: '' + alias: '' + comment: '' + example_param: '' + maxoutbuf: '0' + minoutbuf: '0' + states: + _io_cache: ('Embedded Python Block', 'blk', [('example_param', '1.0')], [('0', + 'complex', 1)], [('0', 'complex', 1)], 'Embedded Python Block example - a simple + multiply const', ['example_param']) + bus_sink: false + bus_source: false + bus_structure: null + coordinate: [984, 284.0] + rotation: 0 + state: disabled - name: import_0 id: import parameters: |