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Cloud height automatic observation process and set

A technology of automatic observation and transmission device, which is applied in the direction of measuring device, line-of-sight measurement, distance measurement, etc.

Inactive Publication Date: 2009-09-30
CMA METEOROLOGICAL OBSERVATION CENT
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The invention provides a cloud height automatic observation method and its device, to solve the technical problem of measuring cloud height with a lower cost and simpler method

Method used

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  • Cloud height automatic observation process and set
  • Cloud height automatic observation process and set
  • Cloud height automatic observation process and set

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Embodiment one, adopt the cloud height measurement method of the present invention to have the following steps:

[0036] Step 1 see figure 1 As shown: Set the two image collectors at a certain distance, so that the image collector 1 and image collector 2 can capture the distance of the same area of ​​the cloud, and obtain the baseline BC, B is the focus of the image collector 1, and C is the image collector 2 focal points, the two image collector lenses are vertically facing the sky, and the long axis or short axis of the image collector imaging plane is parallel to the baseline;

[0037] Step 2: The image collector 1 and the image collector 2 simultaneously capture the same area of ​​the cloud, and obtain the photo P1 and the photo P2 respectively;

[0038] Step 3 see figure 2 As shown: Assuming that there is a point A at the cloud base in the common shooting area of ​​image collector 1 and image collector 2, find point A in photo P1 and photo P2, which is perpendic...

Embodiment 2

[0048] Embodiment 2: Different from Embodiment 1, the optical axes of the above-mentioned two image collector lenses can also be arranged in parallel horizontally, and the long axis or the short axis of the imaging plane of the image collector is parallel to the baseline.

Embodiment 3

[0049] Embodiment 3: Different from Embodiment 1, the imaging planes of the above two image collectors can also be perpendicular to one plane at the same time, and the optical axes of the two lenses form a certain intersection angle.

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Abstract

A cloud height automatic observation process and a device. The device includes an image collector, in which two image collectors form a collecting unit; a sampling controller emitting the cloud image sampling command to two image collectors; an image transmission device respectively connected with two image collector for transmitting cloud picture collected by the image collector to an image processing and sampling control device and transmitting the command from image processing and sampling control device to the cloud picture collecting unit; an image processor connected with the image transmitting device for processing image and automatically measuring the height and the horizontal position of the cloud. The device has simple structure, lower cost and finishes the cloud height measuring automatically and is applied in the fields such as aviation, aerospace and weather.

Description

technical field [0001] The invention relates to a cloud height measurement method and a cloud height measurement device. Background technique [0002] Cloud height is the vertical distance from the cloud base to the ground. The measurement of cloud height is of great significance to the aerospace field and is an important reference data for spacecraft liftoff. The traditional cloud height measurement devices include cloud curtain lights, infrared ceilometers, laser ceilometers, etc. Among them, the cloud curtain light can only be applied to the measurement of stratiform cloud height at night, which has great limitations. The advantages of laser ceilometers are high accuracy, fast and convenient use, but the disadvantages are high cost, and only single point cloud height measurement in the sky can be performed. The method of using infrared to measure cloud height is to use an infrared measuring device to measure the infrared radiation of the atmosphere. The measurement met...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C3/20G01C11/34G01C11/08
Inventor 马舒庆
Owner CMA METEOROLOGICAL OBSERVATION CENT
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