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Ka-frequency-band fixed-orientation dual-polarization all-solid-state millimeter-wave cloud radar

An all-solid-state, dual-polarization technology, which is applied in radio wave measurement systems, radio wave reflection/re-radiation, and re-radiation utilization, etc., can solve the discomfort of long-term continuous observation, large volume of millimeter-wave cloud radar, and cloud information extraction Weak capabilities and other problems, to ensure the quality of observation data, improve detection power, and reduce system complexity

Active Publication Date: 2014-03-26
航天新气象科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a Ka-band fixed pointing dual-polarization all-solid-state millimeter-wave cloud radar, which solves the problem that the existing millimeter-wave cloud radar has large volume, complex structure, low reliability, weak cloud information extraction ability, and is not suitable for long-term continuous operation. observation problem

Method used

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  • Ka-frequency-band fixed-orientation dual-polarization all-solid-state millimeter-wave cloud radar

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Embodiment Construction

[0019]A Ka-band fixed-pointing dual-polarization all-solid-state millimeter-wave cloud radar, comprising: a circulator 2, an antenna 4, a frequency synthesizer 9, a digital receiver 11, a signal processor 12, a display and control computer 13, a communication system 14, a remote The terminal computer 15 and the power distribution system 16 also include: an all-solid-state transmitter 1, a radome 5, an orthogonal mode coupler 3, a dual-channel receiver 10, a power divider 6, a coupler A 7 and a coupler B 8. Wherein, the all-solid-state transmitter 1 includes: a preamplifier 17, a power divider 18, a power amplifier module A 19, a power amplifier module B 20, a power amplifier module C 21, a power amplifier module D 22, a power combiner 23, and an isolator Component 24 and control detection circuit 25; dual channel receiver 10 includes: protection switch A 26, low noise amplifier A 27, first mixer A 28, second mixer A 29, amplifier A 30, filter A 31 , protection switch B 32, low...

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Abstract

The invention discloses a Ka-frequency-band fixed-orientation dual-polarization all-solid-state millimeter-wave cloud radar. The millimeter-wave cloud radar comprises an all-solid-state transmitter (1), an antenna housing (5), an ortho-mode transducer (3), a dual-channel receiver (10) and the like. Output signals of the all-solid-state transmitter (1) reach an antenna (4) through a circulator (2) and the ortho-mode transducer (3) and are radiated towards the sky through the antenna housing (5); echo signals are processed by the dual-channel receiver (10), a digital receiver (11), a signal processor (12) and a display control computer (13) and provided for a far-end computer (15) through a communication system (14); a power distribution system (16) provides needed power; and test signals generated by a frequency synthesizer (9) pass through a power divider (6), a coupler A (7) and a coupler B (8) to be used for testing. According to the millimeter-wave cloud radar, a novel tool is provided for cloud observation, the size is small, the structure is simple, the reliability is high, and radar is applicable to long-time continuous observation to cloud.

Description

technical field [0001] The invention relates to a millimeter-wave cloud radar, in particular to a Ka-band fixed pointing dual-polarization all-solid-state millimeter-wave cloud radar. Background technique [0002] The existing millimeter-wave cloud radar includes: magnetron or traveling wave tube electric vacuum microwave tube transmitter, scannable antenna with servo system, circulator, frequency synthesizer, single-channel receiver, digital receiver, signal processor, Display and control computer, communication system, remote computer and power distribution system. The magnetron millimeter-wave transmitter has a short life and poor Doppler velocity extraction ability, and the traveling wave tube millimeter-wave transmitter has a short life and is expensive, and is not suitable for long-term continuous observation of clouds; the antenna with a servo system makes the radar structure complex , without radome protection, the radar observation is affected when there is precipi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S13/02G01S7/282
Inventor 魏艳强苏卓楠蒋晓燕关博周亭亭张哲
Owner 航天新气象科技有限公司
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