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Satellite beacon receiver

A technology for a receiving device and a satellite beacon, which is applied in the field of signal measurement, can solve the problems of high price of satellite beacon receiver devices, difficult promotion and application, etc., and achieves the effects of easy embedded application, small size, and reduced equipment manufacturing cost.

Inactive Publication Date: 2010-12-01
上海赛天通信技术有限公司
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AI Technical Summary

Problems solved by technology

But the price of this satellite beacon receiver device is extremely expensive, which brings great difficulties to its practical popularization and application.

Method used

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  • Satellite beacon receiver
  • Satellite beacon receiver
  • Satellite beacon receiver

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Embodiment Construction

[0024] The specific implementation of the satellite beacon receiving device provided by the present invention will be described in detail below in conjunction with the accompanying drawings.

[0025] see figure 1 As shown, a satellite beacon receiving device includes:

[0026] Signal conditioning module 10 comprises tuner 11, low-pass filter 12 and operational amplifier 13, and described tuner 11 tunes the downlink signal of satellite into a low-frequency signal according to preset satellite parameters, and described low-pass filter 12 pairs The low-frequency signal is filtered, and the operational amplifier 13 amplifies and outputs the filtered low-frequency signal;

[0027] The digital processing module 20 includes a digital signal processing unit (DSP) 21 and a digital-to-analog (DA) converter 22, and the digital signal processing unit 21 converts the signal output by the signal conditioning module 10 from an analog signal to a digital signal and performs sampling, The sa...

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Abstract

The invention provides a satellite beacon receiver which comprises a signal conditioning module, a digital processing module and a user interface module, wherein the signal conditioning module comprises a tuner, a low-pass filter and an operational amplifier; the tuner is used for tuning the downgoing signal of a satellite into a low-frequency signal according to the preset satellite parameters; the low-pass filter is used for filtering the low-frequency signal; the operational amplifier is used for amplifying and outputting the filtered low-frequency signal; the digital processing module comprises a digital signal processing unit and a digital-to-analog converter; the digital signal processing unit is used for converting an analog signal, which is output by the signal conditioning module, into a digital signal, taking a sample, and analyzing the sampled data to judge whether a beacon signal appears; and the user interface module is used for setting satellite parameters for the satellite beacon receiver. The invention has the advantage of lower cost, and the measuring accuracy is equivalent to that of an analog beacon instrument; and thus, the invention can satisfy the demands for common antennae to align with the satellite.

Description

【Technical field】 [0001] The invention relates to the technical field of signal measurement, in particular to a satellite beacon receiving device suitable for satellite communication antenna tracking. 【Background technique】 [0002] The satellite beacon receiver measures the azimuth and elevation errors of the satellite antenna pointing relative to the satellite according to the beacon signal sent by the satellite. By guiding the servo drive structure, the satellite antenna can be accurately pointed to the satellite to realize the communication function. [0003] A conventional satellite beacon receiver usually consists of input preselection, primary frequency mixing and processing, secondary frequency mixing and processing, intermediate frequency detection, and frequency control circuits. The input pre-selection is completed to suppress the out-of-band input radio frequency interference signal, using a band-pass filter of 950~1450; the first local oscillator uses a high lo...

Claims

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Application Information

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IPC IPC(8): H04N7/20H04N5/44
Inventor 徐咏明
Owner 上海赛天通信技术有限公司
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