An Experimental Analysis of Signal Interception by Rapid-scan Microwave Receivers
Department of Electrical Engineering, Stanford University., 1952 - Shortwave radio - 80 pages
This report is concerned with an experimental evaluation of the probability of interception of a pulsed radar signal by periodically tuned intercept receivers. The problem has been attacked by simulating the radar transmitter and intercept receiver characteristics with electronic equipments providing pulse trains representing (1) the time interval during which the radar transmission is directed toward the receiver, and (2) the time interval during which an intercept receiver employing a directional receiving antenna is responsive to the incoming radar transmission. An interception of a radar transmission by the receiver is indicated by a finite time coincidence of these pulse trains. By a method of counting the pulses actually appearing in the simulated receiver circuits, the effectiveness of the operation is measured by determining both the time distribution and percentage of radar pulses intercepted.
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Acceptance Band Total Antenna Beam Width antenna is directed Antenna Rotation Rate Available Radar Pulses band to total Band Total Scanned Beam Width Degrees cept Data on Effect direction-finding antenna directional receiving antenna discrete groups duration effects of synchronism gate circuit intercept probability INTERCEPT PROBLEM intercepted pulses intercepting a radar introduction of jitter long-term average percentage monostable multivibrator Number Of Available number of pulses number of radar Omnidirectional Antenna omnidirectional receiving antenna oscilloscope output pulse Percentage of Available probability of intercepting pulse repetition rate pulse train pulse width Radar and Receiver RADAR PULSES AVAILABLE radar pulses intercepted radar signal radar transmitter antenna radar transmitter pulse rapid-scan receiver receiver acceptance band Receiver Antenna Beam receiver scan rate revolutions per minute rf spectrum scan rate period simulated transmitter stopped-scan operation Stopped-Scan Technique successive radar looks Synchronism Between Radar Tektronix tenna tercepted TOTAL NUMBER Total Scanned Band transmission transmitter pulse repetition tubes