Built-in missile RADAR calibration verification

Details Built-in missile RADAR calibration verification Built-in missile RADAR calibration verification

2006-03-22

2008-12-30

Tarcza, Thomas H. (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Testing or calibrating of radar system

By monitoring

C342S165000, C342S175000, C342S194000

Reexamination Certificate

active

07471237

ABSTRACT:
Array antenna calibration verification coupling interrogator and responder with mode-related interrogation signal having a previous calibration phase angle, producing in responder a characteristic interrogation response. Conjugate signal is generated by reversing phase of interrogation signal, producing in responder a characteristic conjugate response. Interrogation and conjugate responses sensed and combined to determine difference characteristic for responder array element. Responder difference characteristic iteratively determined for elements in antenna array representative of present calibration verification state. Present and previous calibration verification states compared, with significant variation adapting array to desired calibration verification state. Verification processor controls interrogator, responders, and signals providing built-in missile RADAR calibration verification.

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patent: 2356493 (2001-05-01), None
patent: WO 99/52173 (1999-10-01), None

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