Atmosphere waveguide monitoring method employing wind profile radar and RASS

A technology of wind profile radar and atmospheric waveguide, which is applied in the radio wave measurement system, using re-radiation, radio wave reflection/re-radiation, etc., can solve the problem of time-consuming measurement, no characteristic value of atmospheric waveguide, and large deviation of calculation results major issues

Inactive Publication Date: 2017-02-22
王华
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Problems solved by technology

[0003] The disadvantage of using sounding equipment is that the surface waveguide and the lifting waveguide cannot be continuously monitored, and the measurement is time-consuming, the loss is large, and the operation is troublesome; The characteristic values ​​of the atmospheric duct are given, including the intensity, height, thickness, etc. of the atmospheric duct. In addition, the atmospheric potential refractivity gradient is completely calculated from the measured value of the wind profile radar, and the accuracy of its inversion is low, especially in the Near the ground, the calculation results have a large deviation

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  • Atmosphere waveguide monitoring method employing wind profile radar and RASS
  • Atmosphere waveguide monitoring method employing wind profile radar and RASS
  • Atmosphere waveguide monitoring method employing wind profile radar and RASS

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Embodiment

[0130] In order to verify the effectiveness and accuracy of this method, the measurement data of radiosondes and the wind profile + RASS system measurement data were compared and analyzed. On October 17, 2014, a lifting waveguide appeared at 1915, and the measurement data of radiosondes and Calculated as image 3 As shown, a lifted waveguide appeared at that time. It can be seen from the figure that there is a temperature inversion phenomenon near the ground. The height of the inversion layer top is 331m, and the inversion intensity is 0.0185°C / m. It drops from 50% of the ground to 18% at 561m, thus forming a weaker uplift waveguide with a waveguide top height of 491m, M=353.8, and waveguide strength ΔM=-2.9.

[0131] Since the weather on October 17 was controlled by the northern high pressure at the test site, it was a stable weather process, and the physical characteristics of the atmosphere did not change much within a certain period of time. Therefore, the radiosonde data...

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Abstract

The invention discloses an atmosphere waveguide monitoring method employing a wind profile radar and an RASS, and the method can effectively monitor a surface and a lifting waveguide through employing the wind profile radar and the RASS, and gives the type of an atmosphere waveguide and the feature value of the atmosphere waveguide. In an actual application process, the method can continuously monitor the surface and the lifting waveguide without air sounding equipment, does not cause the loss of a device, and reduces the measurement cost. Compared with a conventional air sounding method, the method is simple in operation, and is high in measurement speed.

Description

technical field [0001] The invention relates to an atmospheric waveguide monitoring method, in particular to a method for calculating the atmospheric waveguide by using wind profile radar and RASS measurement data. Involving patent classification number G01 Measurement; Test G01S Radio orientation; Radio navigation; Distance measurement or speed measurement by radio waves; Positioning or presence detection by reflection or re-radiation of radio waves; Similar devices using other waves G01S13 / 00 Using radio waves Reflecting or reradiating systems, such as radar systems; similar systems utilizing the reflection or reradiating of waves whose properties or wavelengths are irrelevant or unspecified G01S13 / 88 Radar or similar systems for specific applications. Background technique [0002] The monitoring of the surface waveguide and the lifting waveguide in the atmospheric waveguide is generally obtained by measuring the temperature, humidity, and pressure of the sounding equipmen...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S13/95G01S15/88
CPCG01S13/95G01S15/885Y02A90/10
Inventor 王华苏世鹏唐海川焦林张宇鞠伟娜任燕
Owner 王华
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