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A Ku-band radar has been developed for detection and tracking of sniper rifle bullets and other ballistic projectiles. The radar utilizes a novel retrodirective architecture based on separate 8-element receive and transmit antenna arrays. A pseudorandom noise waveform provides for precise ranging and high processing gain. Digital filtering allows for discrimination of high-velocity bullets and small...
A monolithic wideband amplifier (5 MHz to 200 MHz) is described which, in conjunction with a D to A, has been used to realise a subsystem with 48 dB of digital gain control.
This paper describes a limiting amplifier designed for radar intermediate frequency applications where negligible phase shift with change of input signal level is required.
The device presented in this paper is capable of producing a true logarithmic amplifier with phase matching of ?? 4?? over an 80 dB dynamic range at 70 MHz for MTI Radar Systems.
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