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An integrated method of measurement, control and data transmission based on turbo coding

A coding data and coding technology, applied in digital transmission systems, transmission systems, radio transmission systems, etc., can solve problems such as poor electromagnetic compatibility, low power utilization efficiency, and difficult to control technical status.

Active Publication Date: 2017-12-19
XIAN INSTITUE OF SPACE RADIO TECH
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  • Abstract
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Problems solved by technology

[0007] 1) The measurement and control system and the data transmission system are implemented on different channels and managed separately, which not only increases the development cost of the upper equipment
[0008] 2 The stand-alone machines of measurement and control and digital transmission are separated, and there are many types of supporting stand-alone machines, making it difficult to control the technical status;
[0009] 3) The weight, volume and power consumption of the system are not dominant, the electromagnetic compatibility is poor, and the power utilization efficiency is low

Method used

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  • An integrated method of measurement, control and data transmission based on turbo coding
  • An integrated method of measurement, control and data transmission based on turbo coding
  • An integrated method of measurement, control and data transmission based on turbo coding

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Embodiment Construction

[0089] Specific embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0090] Such as figure 1 Shown is the flowchart of the present invention, figure 2 Described is the principle block diagram of the present invention, by figure 1 and figure 2 As can be seen, a kind of measurement and control digital transmission integration method based on Turbo coding that the present invention proposes, the implementation steps are as follows:

[0091] (1) According to the system clock fs (55.974MHz), spread spectrum pseudo-code frequency fg (10.23Mbps) and coded symbol rate ft (3Mps / 1.5Mps) under the integrated system of measurement, control and digital transmission, determine the intermediate clock variable fi (16Hz) . Let fs=K1×fi, ft=K2×fi, fg=K3×fi, fi=K4×2Hz. Among them, K1, K2, K3 and K4 are natural numbers, and complete the unified system clock domain management under the two systems compatible with n...

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Abstract

A method of integrating measurement, control and data transmission based on Turbo coding, using the AOS protocol to insert services in a timely manner, combined with the characteristics of the non-coherent spread spectrum measurement and control system, it solves the problem of unified channel fusion of distance measurement and speed measurement and high-speed data transmission for measurement and control, and established a satellite system. Reliable and stable telemetry, remote control, ranging and speed measurement and high-speed data transmission links between the ground. Compared with the existing satellite technology, which adopts the separation of measurement and control type and data transmission type, this patent realizes the integrated, lightweight and miniaturized design of the system supporting single machine. Has broad application prospects.

Description

technical field [0001] The invention relates to an integrated method of measurement, control and digital transmission based on Turbo coding, which solves the problem of unified channel fusion for measurement and control of distance measurement and high-speed data transmission, and establishes reliable and stable telemetry, remote control, distance measurement and speed measurement between satellites and ground. High-speed data link. It is mainly used on various medium and low orbit satellite spread spectrum measurement and control platforms, and belongs to the field of satellite measurement and control and communication technology. Background technique [0002] At present, my country is launching more and more small satellites, and the number of satellites in orbit is also increasing. To manage multiple satellites in orbit at the same time, the current working mode will not meet the requirements. Therefore, it is one of the effective means to simplify the equipment to share...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00H04B7/185
Inventor 赵鸿王伟吕晶晶刘瑞竹聂少军
Owner XIAN INSTITUE OF SPACE RADIO TECH
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