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A radio frequency channel for a small satellite measurement and transmission integrated machine and the measurement and transmission integrated machine

A radio frequency channel and microsatellite technology, applied in the field of satellite measurement and control, can solve the problems of not adapting to the high-speed data transmission requirements of microsatellites, poor integration of radio frequency channels, low data transmission rate, etc. small effect

Active Publication Date: 2022-08-02
ZHEJIANG GEELY HLDG GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current radio frequency channel is poorly integrated and the data transmission rate is low, which does not meet the high-speed data transmission requirements of micro-satellites

Method used

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  • A radio frequency channel for a small satellite measurement and transmission integrated machine and the measurement and transmission integrated machine
  • A radio frequency channel for a small satellite measurement and transmission integrated machine and the measurement and transmission integrated machine
  • A radio frequency channel for a small satellite measurement and transmission integrated machine and the measurement and transmission integrated machine

Examples

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Embodiment 1

[0035] In this embodiment, refer to figure 1 , a radio frequency channel for a small satellite measurement and transmission integrated machine, including a receiving channel, a transmitting channel and a clock circuit 5, the clock circuit 5 provides a clock signal for the receiving channel and the transmitting channel, and the receiving channel includes a combiner 1, a low-noise amplifier Unit 2, frequency conversion and gain control unit 3 and receiving amplifying unit 4, the transmission channel includes a signal receiving unit 6, a high-speed radio frequency modulator 7 and a power amplifying unit 8, a combiner 1, a low-noise amplifying unit 2, a frequency conversion and gain control unit 3 and the receiving and amplifying unit 4 are electrically connected in sequence, and the signal receiving unit 6, the high-speed radio frequency modulator 7 and the power amplifying unit 8 are electrically connected in sequence. The present invention completes the reception, low noise amp...

Embodiment 2

[0047]The difference between this embodiment and Embodiment 1 is that the specific connection manner of the low-noise amplifying unit is different. A radio frequency channel for a small satellite measurement and transmission integrated machine, including a receiving channel, a transmitting channel and a clock circuit 5, the clock circuit 5 provides a clock signal for the receiving channel and the transmitting channel, and the receiving channel includes a combiner 1, a low-noise amplifying unit 2. Frequency conversion and gain control unit 3 and receiving amplifying unit 4, the transmission channel includes a signal receiving unit 6, a high-speed radio frequency modulator 7 and a power amplifying unit 8, a combiner 1, a low-noise amplifying unit 2, a frequency conversion and gain control unit 3 It is electrically connected to the receiving and amplifying unit 4 in sequence, and the signal receiving unit 6, the high-speed radio frequency modulator 7 and the power amplifying unit ...

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Abstract

The invention relates to a radio frequency channel for a small satellite measurement and transmission integrated machine and the measurement and transmission integrated machine. The radio frequency channel includes: a receiving channel, a transmitting channel and a clock circuit. The clock circuit provides a clock signal for the receiving channel and the transmitting channel, and the receiving channel Including combiner, low-noise amplifying unit, frequency conversion and gain control unit and receiving and amplifying unit, transmission channel includes signal receiving unit, high-speed RF modulator and power amplifying unit, combiner, low-noise amplifying unit, frequency conversion and gain control unit It is electrically connected with the receiving and amplifying unit in sequence, and the signal receiving unit, the high-speed radio frequency modulator and the power amplifying unit are electrically connected in sequence. The invention provides a radio frequency channel for a small satellite measurement and transmission integrated machine and the measurement and transmission integrated machine. Through the cooperation of a high-speed radio frequency modulator and a power amplifying unit, the bandwidth of the radio frequency transmission channel is improved, and the transmission power is increased, and can adapt to higher data rate requirements.

Description

technical field [0001] The invention relates to the technical field of satellite measurement and control, in particular to a radio frequency channel and an integrated measurement and transmission machine for a small satellite measurement and transmission integrated machine. Background technique [0002] Artificial satellites weighing less than 1000 kg are collectively called microsatellites. Microsatellites are a new generation of satellites with a clear purpose. Microsatellites have the characteristics of light weight, small size and low cost, and have the advantages of short launch period and high flexibility. They have a wide range of applications in communications, remote sensing, scientific and technological experiments, military and other fields. development, low power consumption, generalization, constellation networking and formation flight. [0003] Satellite measurement and control system and data transmission system are two important systems of satellite. The m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/185
CPCH04B7/18515
Inventor 罗凌云
Owner ZHEJIANG GEELY HLDG GRP CO LTD
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