Device for detecting height measurement precision of radio altimeter

A technology of radio altimeter and accuracy detection, which is applied in the direction of radio wave measurement system, measurement device, radio wave reflection/re-radiation, etc. It can solve the problems affecting the production progress of aircraft, unsatisfactory, lack of detection means, etc.

Inactive Publication Date: 2016-08-17
HARBIN
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  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, our company does not have a special tester for product supporting calibration, which cannot meet the requirements for testing the performance parameters of the GG1.5H radio altimeter transceiver before installation. Due to the lack of product standard detection methods, this product adopts direct installation, which cannot be guarantee

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  • Device for detecting height measurement precision of radio altimeter

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Embodiment Construction

[0015] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0016] A high-precision detection device for radio altimeter measurement, such as figure 1 Shown, including:

[0017] Attenuator 6, delay line 7, special tester 2, multifunctional digital voltmeter 3, 429 bus equipment 4;

[0018] The attenuator 6 is connected to the transmitting end of the radio altimeter transceiver 1 to receive and attenuate the height signal of the radio altimeter transceiver 1;

[0019] The input end of the delay line 7 is connected to the output end of the attenuator 6, the output end of the delay line 7 is connected to the receiving end of the radio altimeter transceiver 1, and the height signal attenuated by the attenuator 6 is time-delayed. The latter height signal is returned to the radio altimeter transceiver 1;

[0020] The special tester 2 is respectively connected with the radio altimeter transceiver 1, the multifunctional digital voltmete

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Abstract

The invention belongs to the field of airborne navigation, and relates to a device for detecting the height measurement precision of a radio altimeter. An attenuator (6) receives a height signal of a radio altimeter transceiver (1) and carries out the attenuation. A delay line (7) carries out the time delay processing of the height signal of the attenuator (6), and transmits the signal after time delay to the radio altimeter transceiver (1). A dedicated tester (2) is connected with the radio altimeter transceiver (1), a multifunctional digital voltage meter (3), and 429 bus equipment (4). The multifunctional digital voltage meter (3) collects a voltage value of the radio altimeter transceiver (1) through the dedicated tester (2), wherein the voltage value is corresponding to one height value. The 429 bus equipment (4) collects a binary height value of the radio altimeter transceiver (1) through the dedicated tester (2), wherein the binary height value corresponding to one height value.

Description

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Claims

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Application Information

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Owner HARBIN
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