Page 23 - Fundamentals of Radar Signal Processing

Non-baseband reflectivity amplitude ( ≥ 0)
τ Pulse length

τ c Subpulse length in phase coded waveform
γ Sufficient statistic

ω Normalized frequency (radians per sample)
ω D Normalized Doppler frequency shift (radians per sample)

Sampling interval in normalized frequency ω (samples per
w
s
radian)
Ω Frequency (radians per second)
Ω θ Azimuth rotation rate (radians per second)

Ω D Doppler frequency shift (radians per second)

Ω diff Doppler frequency mismatch (radians per second)

Ω i Matched Doppler frequency shift (radians per second)
ψ Baseband reflectivity phase; squint angle

Non-baseband reflectivity phase

a Baseband transmitted signal amplitude
a (θ) Spatial steering vector
s
a (θ) Temporal steering vector
t
Non-baseband transmitted signal amplitude

A Ambiguity function
A, Â, Signal amplitude

 Complex ambiguity function
A e Effective antenna aperture size

A q Covariance matrix of clutter temporal fluctuations
A n Complex amplitude of subpulse in phase coded waveform

AF(θ), AF(θ, ϕ) Phased array antenna array factor
APB A priori bound

b Amplitude
Non-baseband received signal amplitude

B Number of bits; interferometric baseline
B N Length of Barker phase code

Accuracy of estimator
c Speed of light

c q Clutter space-time steering vector for patch q

CA Clutter attenuation
CRLB Cramèr-Rao lower bound