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Precision signal power measurement (1972)

Winkelstein, R.

In: CASI

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Publication Date: 2006-02-22

Description: Accurate estimation of signal power is an important Deep Space Network (DSN) consideration. Ultimately, spacecraft power and weight is saved if no reserve transmitter power is needed to compensate for inaccurate measurements. Spectral measurement of the received signal has proved to be an effective method of estimating signal power over a wide dynamic range. Furthermore, on-line spectral measurements provide an important diagnostic tool for examining spacecraft anomalies. Prototype equipment installed at a 64-m-diameter antenna site has been successfully used to make measurements of carrier power and sideband symmetry of telemetry signals received from the Mariner Mars 1971 spacecraft.

Keywords: COMMUNICATIONS

Type: JPL Quart. Tech. Rev., Vol. 2, No. 2; p 18-24

Format: text

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