Signal with sinusoidal frequency modulation.
[Y,IFLAW]=fmsin(N) [Y,IFLAW]=fmsin(N,FNORMIN) [Y,IFLAW]=fmsin(N,FNORMIN,FNORMAX) [Y,IFLAW]=fmsin(N,FNORMIN,FNORMAX,PERIOD) [Y,IFLAW]=fmsin(N,FNORMIN,FNORMAX,PERIOD,T0) [Y,IFLAW]=fmsin(N,FNORMIN,FNORMAX,PERIOD,T0,FNORM0) [Y,IFLAW]=fmsin(N,FNORMIN,FNORMAX,PERIOD,T0,FNORM0,PM1)
number of points.
smallest normalized frequency (default: 0.05)
highest normalized frequency (default: 0.45)
period of the sinusoidal fm (default: N )
time reference for the phase (default: N/2 )
normalized frequency at time T0 (default: 0.25)
frequency direction at T0 (-1 or +1) (default: +1 )
signal
its instantaneous frequency law (optional).
fmsin generates a frequency modulation with a sinusoidal frequency. This sinusoidal modulation is designed such that the instantaneous frequency at time T0 is equal to FNORM0, and the ambiguity between increasing or decreasing frequency is solved by PM1.