Matched Filter & Pulse Compression

Waveform

Parameters

Pulse Width (samples) 64 Bandwidth-Time Product BT 16

Scenario

SNR input (dB) -5 Target 2 delay (samples) 100 Target 2 amplitude 0.5

Metrics

Processing Gain—

Compression Ratio—

Output SNR—

3dB Width—

Peak Sidelobe (dB)—

Matched Filter
h(t) = s*(T-t) (time-reversed conjugate)

Processing gain = BT product
LFM: BT can be large (>100)
Barker: max BT=13
m-seq: BT = code length

Output SNR = Input SNR + 10log₁₀(BT)