Synopsis
		sfaddevent < in.rsf > out.rsf wvtype=0 w0=35.0 event=2 nfft= t0=0.3 v0=1500.0 a0=1.0 qv=-1.0 qa=qv f0=w0 a0ref=0

Parameters
		float a0=1.0 event amplitude at t=a0ref (x=0)   int a0ref=0 reference point for a0: 0 - t0; 1 - a0   int event=2 0: linear; 1: parabolic; 2:hyperbolic   float f0=w0 reference frequency for velocity dispersion and amplitude attenuation   int nfft= fft length   float qa=qv Q factor for amplitude attenuation   float qv=-1.0 Q factor for velocity dispersion   float t0=0.3 event travel time at x=0   float v0=1500.0 event velocity at x=0, for reference frequency f0   float w0=35.0 central frequency of Ricker wavelet or bandwidth of sinc wavelet   int wvtype=0 0: ricker; 1: sinc; x: not support

Used In
		CHEN          test/fpca