for (j=0;j<N;j++) {
data[j]=10.0*exp(-1.*SQR(j-M)/SQR(N/8))*
(cos(2.0*pi*32*j/N)+cos(2.0*pi*64*j/N));
// System.out.printf(data[j]);
}
sp.adddataseg(data,window); // Note: text should clarify this usage
}
spec=sp.spectrum();
freq=sp.frequencies();
// for (i=0;i<M+1;i++)
// System.out.printf(freq[i] << " %f\n", spec[i]);