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Computer of integrated satellite-borne SAR loads

A computer and payload technology, applied in computers, digital computer parts, general-purpose stored program computers, etc., can solve the problems of SAR system performance and reliability, affecting the communication stability of functional units, system volume and weight, etc. and power consumption, improve reliability, reduce the effect of data transmission

Active Publication Date: 2018-04-27
SHANGHAI SPACEFLIGHT INST OF TT&C & TELECOMM
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The power supply loss and command control of these functional units also occupy a certain amount of repetitive resources, resulting in excessive volume and weight of the entire system, serious waste of resources and energy consumption, and even affecting the communication stability between functional units. Performance and reliability are affected to some extent

Method used

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  • Computer of integrated satellite-borne SAR loads
  • Computer of integrated satellite-borne SAR loads
  • Computer of integrated satellite-borne SAR loads

Examples

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Embodiment Construction

[0027] The present invention will be further described in detail below through specific embodiments in conjunction with the accompanying drawings.

[0028] This example provides an integrated spaceborne SAR payload computer, its structure diagram is as follows figure 1 As shown, it includes a main control module 1, a remote control telemetry module 2, an interface expansion module 3, a power supply module 4 and a backplane 5, wherein the main control module 1, the remote control telemetry module 2, the interface expansion module 3, the power supply module 4 and the backplane 5. Functional modular design is adopted, and the integration of the computer is realized through the plugging between the modules. Specifically, the main control module 1, the remote control telemetry module 2, the interface expansion module 3, and the power supply module 4 are respectively plugged into the backplane 5 Among them, the main control module 1 can realize the functions of data processing, timi...

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Abstract

The invention discloses a computer of integrated satellite-borne SAR loads. The computer comprises a main control module, a telemetry and telecommand module, an interface expanding module, a power module and a backboard. The main control module is used for data processing, timed controlling and wave beam controlling; the telemetry and telecommand module is used for receiving a satellite platform instruction, analyzing the instruction to all single units of the load system to instruct production and OC gate control, and collecting the temperature, voltage analog quantity and the digital quantity telecommand signal of the load system; the interface expanding module has the functions of communication management and interface expanding; the backboard is used for power supply and signal connection of the main control module, the interface expanding module, the power module and the telemetry and telecommand module. Through integrated design of functions of time sequence control, wave beam control, and interface control when the SAR loads work and the telemetry and telecommand of all single units of the load system, the integration level and the reliability of the SAR system are improved,the weight, size and the power dissipation are lowered, data transmission among all machines of the SAR load system is reduced, and the reliability of the SAR load system is improved.

Description

technical field [0001] The invention relates to the technical field of spaceborne computers, in particular to an integrated spaceborne SAR payload computer. Background technique [0002] Traditional SAR center computer wave control and system timing control adopt distributed design, generally composed of a fixed controller, wave controller, digital tube computer and other stand-alone machines. With the increase of SAR payload task functions, the communication connection between each stand-alone machine is complex and requires high real-time performance, which requires a dedicated high-speed internal bus connection. The power supply loss and command control of these functional units also occupy a certain amount of repetitive resources, resulting in excessive volume and weight of the entire system, serious waste of resources and energy consumption, and even affecting the communication stability between functional units. Performance and reliability are affected to some extent....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F15/78
CPCG06F15/7803
Inventor 张宁王斌白郁王豪史琴朱新忠沈霁
Owner SHANGHAI SPACEFLIGHT INST OF TT&C & TELECOMM
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