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Analysis method of distance measurement accuracy of TACAN\precision distance measurement equipment

A technology of precision distance measurement and analysis method, which is applied in the field of TACAN system and precision distance measurement equipment, and can solve problems such as time measurement error and transponder delay error

Active Publication Date: 2020-02-07
NO 20 RES INST OF CHINA ELECTRONICS TECH GRP
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Problems solved by technology

[0009] It can be seen that there are two main reasons affecting the ranging accuracy of DME / P and TACAN: one is the time measurement error between the airborne interrogation equipment sending out the interrogation signal and receiving the response signal; the other is the delay error of the transponder

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  • Analysis method of distance measurement accuracy of TACAN\precision distance measurement equipment
  • Analysis method of distance measurement accuracy of TACAN\precision distance measurement equipment
  • Analysis method of distance measurement accuracy of TACAN\precision distance measurement equipment

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Embodiment Construction

[0062] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, and the present invention includes but not limited to the following embodiments.

[0063] The present invention analyzes the ranging accuracy of DME / P and TACAN from two aspects of the airborne interrogation equipment and the transponder, and the time unit involved is second.

[0064] 1. Airborne interrogation equipment ranging error

[0065] The ranging error of the airborne interrogation equipment mainly includes: the measurement error of the response pulse time, the delay correction error of the airborne equipment circuit using the leading pulse technology, the delay error caused by the instability of the circuit outside the leading pulse loop, and the signal processing circuit. Delay error.

[0066] 1. Response pulse time measurement error σ A1

[0067] (1) DME / P function FA mode

[0068]FA mode PFE response pulse time measurement error:

[006...

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Abstract

The invention provides a method for analyzing the ranging accuracy of TACAN\ precision ranging equipment, and the ranging accuracy of DME / P and TACAN can be analyzed from the airborne interrogation device and the transponder, and the influence of the airborne equipment and the transponder on the ranging error is comprehensively considered to obtain the error of a ranging system. The invention provides a detailed analysis method for DME / P and TACAN ranging accuracy from the numerous factors influencing the ranging accuracy of DME / P and TACAN, which provides a theoretical basis for the design of DME / P and TACAN systems.

Description

technical field [0001] The invention relates to a precision ranging equipment (DME / P) and a Tacan system (TACAN), which is used for analyzing and evaluating the ranging accuracy of the precision ranging and the TACAN system. Background technique [0002] The precision ranging equipment (DME / P) provides the aircraft with distance information relative to the guidance point, and cooperates with the microwave landing angle measurement equipment to provide the aircraft with coordinate information relative to the landing point; the Tacan system (TACAN) is also known as the tactical air The navigation system can provide real-time and accurate orientation and distance guidance signals for the aircraft. [0003] Ranging accuracy is an important indicator of DME / P and TACAN systems, which directly affects aircraft navigation. For a long time, there has been no method for systematically analyzing DME / P and TACAN ranging accuracy, and circuit and software design is often done based on e...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01C25/00
CPCG01C25/00
Inventor 张建明徐飞骆家强李林郭小伟黄伟
Owner NO 20 RES INST OF CHINA ELECTRONICS TECH GRP
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