Page 25 - Fundamentals of Radar Signal Processing
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F s Sampling frequency (samples per second)
F t Transmitted frequency (hertz)
F us Unstaggered blind Doppler frequency
g, G Tracking process noise gain
G Antenna voltage or power gain
G nc Noncoherent integration gain
G s Maximum receiver gain
G sp Signal processing gain
h Height
h Filter weight vector; beamformer weight vector
h, H Tracking observation matrix
h(t) Impulse response (continuous time)
h[n] Impulse response (discrete time)
H 0 Null hypothesis (interference only)
H 1 Nonnull hypothesis (target plus interference)
H(f), H(F), H(ω),
Frequency response in various units
H(Ω)
H(z) Discrete-time system function
H (z) System function of N-pulse canceller
N
Frequency response of N-pulse canceller with P staggered
H (F)
N,P
PRFs
I Interference power; improvement factor
I(Θ) Fisher information matrix
I opt Improvement factor for matched filter
I N Nth-order identity matrix
I sub Suboptimum improvement factor
I In-phase channel
I k In-phase component, sample k
I(·, ·) Incomplete gamma function
I(·) Fisher information matrix
J (t) Jammer signal
n
J Jammer signal sample vector
Tracking filter gain; Kalman filter gain (symbol varies with
K, k, K
dimensionality)
k p Stagger ratio
k Δ/Σ Lobing antenna Δ/Σ error slope
Spatial frequency (cycles per meter); DFT size; normalized