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Method for detecting initial posture and motion states of weather detecting sonde based on three-dimensional acceleration sensor

An acceleration sensor and acceleration sensor technology, applied in the field of meteorological information detection, can solve the problems of attitude and motion state monitoring without a radiosonde, and achieve the effect of improving reliability and low cost

Inactive Publication Date: 2014-01-15
BEIJING INSTITUTE OF TECHNOLOGYGY
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Problems solved by technology

At present, there is no finalized meteorological reconnaissance bomb, and other types of weather sondes have not monitored the attitude and motion status of the radiosonde itself

Method used

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  • Method for detecting initial posture and motion states of weather detecting sonde based on three-dimensional acceleration sensor
  • Method for detecting initial posture and motion states of weather detecting sonde based on three-dimensional acceleration sensor

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Embodiment Construction

[0016] Below, combined with the accompanying drawings, figure 1 , figure 2 Explain the specific implementation of this patent.

[0017] figure 1 Shown is the structure diagram of the system. The basic circuit of the radiosonde (1) includes a central control and data processing core (2), and an acceleration sensor (3) is added to the original circuit board. The acceleration sensor (3) communicates with the single-chip microcomputer (2) of the central control module by adopting a prescribed communication protocol. After the radiosonde is thrown by the shell, the circuit system starts to work, and it is set in the single chip program to enter the acceleration measurement interruption at a fixed time to perform acceleration measurement. After the acceleration information is obtained, the acquisition time and acceleration information are stored in the memory chip. (4). After a period of time, enough samples of acceleration information are collected. In addition to collecting...

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Abstract

The invention provides a method for detecting an initial posture and motion states of a cannon projectile weather detecting sonde based on a triaxial accelerometer sensor. The posture of delivering from godown of the cannon projectile weather detecting sonde is uncertain, and is greatly interfered by wind in the working process. To solve the problems, the triaxial accelerometer sensor is additionally arranged in the sonde and is used for detecting the initial posture of the sonde, whether the sonde encounters gust or not and whether the sonde falls to the ground or not are detected, and the reliability of the data detected by the sonde is greatly improved.

Description

Technical field: [0001] The invention belongs to the field of meteorological information detection and is mainly applied to meteorological reconnaissance radiosondes. Background technique: [0002] The missile-borne meteorological reconnaissance radiosonde is used to collect the meteorological information of the target area, including temperature, humidity, air pressure, wind speed, and wind direction, and transmit the collected meteorological information to the ground user base station through radio. The bomb-borne meteorological reconnaissance sonde is carried by the shell to the sky over the target area and thrown out, and then falls at a certain speed with the assistance of a parachute, and detects various meteorological parameters of the target during the falling process. In particular, the meteorological reconnaissance airsonde uses a GPS receiver module to measure wind speed and direction. The prerequisite for this measurement is that the GPS receiving module must ha...

Claims

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Application Information

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IPC IPC(8): G01W1/18G01W1/08
Inventor 娄文忠郭明儒洪荣森刘会超丁旭冉刘艳坤付悦
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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