Page 24 - Fundamentals of Radar Signal Processing

C (·) Characteristic function of random variable x; centroid of
x
signal x
d Phased array element spacing

d M Mahalanobis distance

d pc Phase center spacing
D Antenna aperture size

D az Antenna size, azimuth dimension

D el Antenna size, elevation dimension
D SAR Synthetic aperture size

DOF Degrees of freedom
DR Dynamic range

D , D , D z Antenna aperture size in x, y, or z dimension
y
x
e Eigenvector
E, E x Energy; energy in signal x
E(·) Expected value

E(θ, ϕ) Electric field amplitude
E (θ), E (θ, ϕ) Phased array antenna element pattern
el
el
f Normalized frequency (cycles per sample)
Quantized version of a function f

f D Normalized Doppler frequency shift (cycles per sample)
Target normalized Doppler frequency shift (cycles per
f
Dt
sample)
f θ Normalized spatial frequency (cycles per sample)

F Fourier transform of a function f
Fourier transform operator; track filter state transition
F
matrix

F Frequency (hertz)
F θ Spatial frequency (cycles per meter)

F b Beat frequency, blind Doppler frequency (hertz)
F bs Blind Doppler frequency using staggered PRIs

F c Corner frequency (hertz)

F D Doppler frequency shift (hertz)
F Da Apparent Doppler frequency (hertz)

F Dua Unambiguous Doppler frequency interval (hertz)
F g Greatest common divisor of a set of staggered PRFs

F i Instantaneous frequency (hertz)

F n Noise figure