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Reflecting Properties of Radar Targets
Radio Range Finding
8 other sections not shown
accuracy acoustic delay line aircraft amplifier amplitude amplitude modulation angular azimuth band beam bearing characteristic beat frequency circuit coherent local oscillator corner reflector curves decrease delay lines density depends detector determined device direct signal direction finding direction-finding distance Doppler effect effective scattering area elementary reflectors equal filter finder frequency modulation function high-frequency oscillator increase indicator integrator intermediate frequency Jamming linear magnitude mean-square method modulation moving targets moving-target normal normal distribution obtain operation parameters passband phase difference plane polarization position line possible quency radar range radar signals radar station radar unit radiation pattern radio direction finder radio rangefinder radio waves random rangefinder error receiver input receiving antenna reflected pulse reflected signal reflectors repetition period rotation scanning screen shown in Fig signal-to-noise ratio spectrum stationary targets surface sweep synchronization target bearing tion tracking transmitting trigger pulse tube variation velocity video pulses voltage wavelength width