Passive trajectography using azimuth and frequency measurements
Passive trajectory tracking based on angles and other measurements
Article REF: TE6707 V1
Passive trajectography using azimuth and frequency measurements
Passive trajectory tracking based on angles and other measurements

Authors : Claude JAUFFRET, Denis PILLON

Publication date: February 10, 2008 | Lire en français

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3. Passive trajectography using azimuth and frequency measurements

3.1 Position of the TPAF problem

As mentioned in § 1.3 of [TE 6 705] , a passive sensor can, in addition to azimuth measurements, deliver frequency measurements of one or more sinusoidal signals emitted by the source. These are subject to the Doppler effect, which depends on the relative motion of the carrier/source. In general, frequency is measured simultaneously with angle, as this corresponds to an energy peak in the azimuth/frequency plane. These 2D measurements are...

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