An Analysis of X-Band Calibrated Sea Clutter and Small Boat Reflectivity at Medium-to-Low Grazing Angles

Table 1

Fynmeet system and performance specifications.

Transmitter	Frequency range	6.5-17.5 GHz
	Peak power	2 kW
	PRF range	0–30 kHz
	Waveforms	100 and 300 ns pulsed Continuous Wave (CW), fixed/pulse-to-pulse frequency agile (500 MHz)
Antenna	Type	Dual offset reflector
	Gain	≥30 dB
	Beam width	≤2^° (3 dB beam width)
	Side lobes	≤−25 dB
Receiver	Dynamic range	60 dB (instantaneous)/120 dB (total)
	Capture range	200 m–15 km
	Range gates	1–64; Δ𝑅=15 m or 45 m
	Sampler type	𝐼/𝑄 intermediate frequency sampler
	Image rejection	≤−41 dBc