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Combined programmable radio beacon simulator

A technology of radio beacons and simulators, applied in simulators, program control, and components of electrical measuring instruments, etc., can solve the problems of lack of versatility, overall weight of equipment, and high maintenance and upgrade costs, and achieve convenient expansion and function upgrades , the effect of easy maintenance

Pending Publication Date: 2021-12-21
国营芜湖机械厂
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the performance of the simulator of the desktop instrument is relatively higher, due to the large size of the traditional desktop instrument, the overall equipment is heavier
In addition, due to the closed structure of the desktop instrument, most of the internal modules are custom-made modules, which have no versatility. The software is mainly embedded software. Maintenance and debugging can only be carried out by customized manufacturers. The maintenance is difficult and the scalability is poor, resulting in high maintenance and upgrade costs. Therefore, it is necessary to study and design an open, modular software-programmable radio beacon simulator device

Method used

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Embodiment Construction

[0026] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further elaborated below in conjunction with the accompanying drawings and embodiments.

[0027] like Figure 1 to Figure 5 As shown, a combined programmable radio beacon simulator is a modular instrument in the form of a PXI / 3U standard interface, which needs to be used in conjunction with a PXI chassis, controller, etc. The overall block diagram is as follows figure 1 As shown, it mainly includes 8-slot PXI chassis and controller, high-speed baseband module, L-band dual-channel up-conversion module, RF switch network, and dual-channel signal conditioning board.

[0028] Among them, such as figure 2 As shown, the high-speed baseband module is composed of a dual-channel 1.25GS / s, 16bitDA circuit. It is mainly composed of FPGA digital signal processing unit, signal conditioning unit, memory unit, clock unit and ...

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Abstract

The invention relates to the technical field of instruments and meters, and in particular relates to a combined programmable radio beacon simulator. The simulator comprises a PXI case and a controller, and further comprises a high-speed baseband module which is composed of a double-channel 1.25 GS / s and 16-bit DA circuit, has two DA outputs and can complete IQ baseband source output at the same time; the simulator further comprises an L-band dual-channel up-conversion module which is connected with the PXI case and the controller by adopting a PXI bus, and is used for carrying out modulation frequency conversion on the baseband signal output from the high-speed baseband module, filtering, amplifying and attenuating and then outputting the baseband signal, and a radio frequency switch network which is used for completing switching of various analog signals, so that the simulator can multiplex an output port; the simulator further comprises a dual-channel conditioning board card. According to the invention, a modular integrated design is adopted, and online debugging of analog signals is realized by utilizing programming control of an upper computer. Maintenance of simulation equipment is facilitated, and rapid repair of the equipment is met through software self-inspection and module replacement. A computer control technology is adopted, and expansion and function upgrading of the simulator are facilitated.

Description

technical field [0001] The invention relates to the technical field of instruments and meters, in particular to a combined programmable radio beacon simulator. Background technique [0002] Since the current general-purpose instruments on the market cannot build a dedicated radio beacon simulator function, they generally need to be specially developed. From the perspective of the traditional beacon simulator form, the early dedicated development of a single device simulator also adopted a desktop The shape of the instrument. Although the performance of the simulator of the desktop instrument is relatively higher, due to the large size of the traditional desktop instrument, the overall equipment is heavy. In addition, due to the closed structure of the desktop instrument, most of the internal modules are custom-made modules, which have no versatility. The software is mainly embedded software, and maintenance and debugging can only be carried out by customized manufacturers. ...

Claims

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Application Information

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IPC IPC(8): G05B19/042G01R1/28
CPCG05B19/0423G01R1/28G05B2219/25257
Inventor 李珊珊周勇军胡伟胡晨
Owner 国营芜湖机械厂
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