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authorAshwini2015-03-10 17:23:13 +0530
committerAshwini2015-03-10 17:23:13 +0530
commit92326794e39e1753f5fcb20715c57ea0f537752e (patch)
treee40825f34f4a6402d9acf2fdcf5600dd65ad6f56 /gr-input/python/Transfer_Function.py
parentaf6398eb6e3273c005312939fb6d965f8a50baed (diff)
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diff --git a/gr-input/python/Transfer_Function.py b/gr-input/python/Transfer_Function.py
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index d53c55e48..000000000
--- a/gr-input/python/Transfer_Function.py
+++ /dev/null
@@ -1,100 +0,0 @@
-#!/usr/bin/env python
-#
-# Copyright 2015 <+YOU OR YOUR COMPANY+>.
-#
-# This is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
-#
-# This software is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this software; see the file COPYING. If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
-#
-
-import time
-import numpy
-from gnuradio import gr
-import sciscipy
-
-class Transfer_Function(gr.sync_block):
- """
- docstring for block add_python
- """
- def __init__(self,order,itype,tstart,tstop,tstep):
- a = []
- self.b = [0,0,0,0,0,0]
- self.c = [0,0,0,0,0,0]
- self.i = 0
- self.order=int(order)+1
- self.itype = itype
- self.tstart = tstart
- self.tstop = tstop
- self.tstep = tstep
- gr.sync_block.__init__(self,
- name="tf_rises",
- in_sig=[numpy.float32,numpy.float32],
- out_sig=[numpy.float32])
-
- #print "I am over slept"
- #print len(self.ret_array)
-
- def find_resp(self,b,c):
- if (self.itype == 11):
- typo = "'imp'"
- elif (self.itype == 12):
- typo = "'step'"
- else:
- typo = "t"
-# print "self b",self.b
- string1 = "s=%s; h=syslin('c',"
- string2 = str(b[4])+"*s^4+"+str(b[3])+"*s^3+"+str(b[2])+"*s^2+"+str(b[1])+"*s+"+str(b[0])+","
- string3 = str(c[4])+"*s^4+"+str(c[3])+"*s^3+"+str(c[2])+"*s^2+"+str(c[1])+"*s+"+str(c[0])+");"
- string4 = "t="+str(self.tstart)+":"+str(self.tstep)+":"+str(self.tstop)+";"
- string5 = "deff('u=input(t)','u=50');"
- string6 = "r=tf2ss(h); a=csim("+typo+",t,r);"
- string = string1+string2+string3+string4+string5+string6
- print "I am strin g",string
- sciscipy.eval(string)
- self.a = sciscipy.read("a")
- print "value of a\n",self.a
-
-
-
-
-
- def work(self, input_items, output_items):
-
- print "input value:\n",input_items
- for i in range(0,5):
- self.b[i] = input_items[0][i]
- # print "I am b[i]", b[i]
- #print "I am BBBBB", self.b
-
- for j in range(0,5):
- self.c[j] = input_items[1][j]
- #print "I am c[j]", c[j]
- #print "I am CCCCC", self.c
- self.find_resp(self.b,self.c)
-
-
- out = output_items[0]
- self.i+=1
- print "I am self i\n",self.i
- if self.i >= len(self.a):
- self.i = 0
- print "len of out\n",len(out)
- #time.sleep(0.125)
- out[:] = numpy.float32(self.a[self.i])
- #print
- print "i am out\n",out
-
- return len(output_items[0])
-
-