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以我的理解,UWB(超宽带)系统的实现方式比较多。. 利用PAM(脉冲幅度调制)+ CDMA的调制多址方式实现,和CDMA系统一样,可以采用Rake接收,对抗频率选择性衰落。. 利用其他方式实现,可能就不需要Rake接收,例如OFDMA(正交多载波调制多址),也可以有不同的 ...
from numpy import sin, cos, pi import numpy as np def Identity_moment_tensor_by_fault(strike, dip, rake, M0): ''' At first, While component M is lower than 1.E-15, make it as zero. Because of the precision of sin/cos module. But the code in instaseis did not make it as zero. If not, it is not confine the theory of moment tensor.
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