def diff_Manchester(message):
output = []
c = -1
b = text2binary(message)
for i in range(len(b)):
if i == 0:
if b[0] == '0':
output.append(1)
output.append(-1)
c += 2
elif b[0] == '1':
output.append(-1)
output.append(1)
c += 2
elif b[i] == '0':
if output[c] == -1:
output.append(-1)
output.append(1)
c += 2
elif output[c] == 1:
output.append(1)
output.append(-1)
c += 2
elif b[i] == '1':
if output[c] == 1:
output.append(-1)
output.append(1)
c += 2
elif output[c] == -1:
output.append(1)
output.append(-1)
c += 2
return output
def NRZ_L(message):
output1 = []
for b in text2binary(message):
if b == '0':
output1.append(1)
else:
output1.append(-1)
return output1
def Manchester(message):
output = []
for x in text2binary(message):
if (x == '0'):
output.append(1)
output.append(-1)
else:
output.append(-1)
output.append(1)
return output
def polarRZ(message):
output = []
for x in text2binary(message):
if (x == '0'):
output.append(-1)
output.append(0)
else:
output.append(1)
output.append(0)
return output
def HDB_3(message):
output = []
b = text2binary(message)
#b = "110000"
change = 1
i = 0 #"110000 0000 1100001001"
c = 0 # counter
while (i < len(b)):
if (i <= (len(b) - 4) and b[i] == '0' and b[i + 1] == '0'
and b[i + 2] == '0' and b[i + 3] == '0' and i != 0):
if (change == -1):
if (c % 2 == 1):
output.append(0)
output.append(0)
output.append(0)
output.append(1)
change = -1
else:
output.append(-1)
output.append(0)
output.append(0)
output.append(-1)
change = 1
else:
if (c % 2 == 1):
output.append(0)
output.append(0)
output.append(0)
output.append(-1)
change = 1
else:
output.append(1)
output.append(0)
output.append(0)
output.append(1)
change = -1
c = 0
i += 4
elif (b[i] == '0'):
output.append(0)
i += 1
else:
output.append(change)
i += 1
if (change == 1):
change = -1
c += 1
else:
change = 1
c += 1
return output
def NRZ_I(message):
output2 = []
flag = 1
for b in text2binary(message):
if (b == '1'):
if (flag == 1):
flag = -1
else:
flag = 1
output2.append(flag)
else:
output2.append(flag)
return output2
def pseudoternary(message):
output = []
change = 1
for x in text2binary(message):
if (x == '1'):
output.append(0)
else:
output.append(change)
if (change == 1):
change = -1
else:
change = 1
return output
def twoBoneQ(message):
output3 = []
b = text2binary(message) # pls check the output of 2b1q !!!
for i in range(0, len(b) - 1, 2):
if (i == 0):
if (b[0] == '0' and b[1] == '0'):
output3.append(1)
output3.append(1)
elif (b[0] == '0' and b[1] == '1'):
output3.append(2)
output3.append(2)
elif (b[0] == '1' and b[1] == '0'):
output3.append(-1)
output3.append(-1)
elif (b[0] == '1' and b[1] == '1'):
output3.append(-2)
output3.append(2)
elif (b[i] == '0' and b[i + 1] == '0'):
if (output3[i - 1] > 0):
output3.append(1)
output3.append(1)
else:
output3.append(-1)
output3.append(-1)
elif (b[i] == '0' and b[i + 1] == '1'):
if (output3[i - 1] > 0):
output3.append(2)
output3.append(2)
else:
output3.append(-2)
output3.append(-2)
elif (b[i] == '1' and b[i + 1] == '0'):
if (output3[i - 1] > 0):
output3.append(-1)
output3.append(-1)
else:
output3.append(1)
output3.append(1)
elif (b[i] == '1' and b[i + 1] == '1'):
if (output3[i - 1] > 0):
output3.append(-2)
output3.append(-2)
else:
output3.append(2)
output3.append(2)
return output3
def B8ZS(message):
output = []
b = text2binary(message)
change = 1
i = 0
while (i < len(b)):
if (i <= (len(b) - 8) and b[i] == '0' and b[i + 1] == '0'
and b[i + 2] == '0' and b[i + 3] == '0' and b[i + 4] == '0'
and b[i + 5] == '0' and b[i + 6] == '0' and b[i + 7] == '0'
and i != 0):
if change == -1:
output.append(0)
output.append(0)
output.append(0)
output.append(1)
output.append(-1)
output.append(0)
output.append(-1)
output.append(1)
i += 8
else:
output.append(0)
output.append(0)
output.append(0)
output.append(-1)
output.append(1)
output.append(0)
output.append(1)
output.append(-1)
i += 8
elif (b[i] == '0'):
output.append(0)
i += 1
else:
output.append(change)
i += 1
if (change == 1):
change = -1
else:
change = 1
return output
def MLT_3(message):
output = []
b = text2binary(message)
flag = -1
for i in range(len(b)):
if i == 0:
if b[0] == '0':
output.append(0)
else:
output.append(1)
elif b[i] == '0':
output.append(output[i - 1])
else:
if output[i - 1] == 1 or output[i - 1] == -1:
output.append(0)
else:
if flag == 1:
output.append(-1)
flag = -1
else:
output.append(1)
flag = 1
return output
