Real-time calibration high spectral resolution lidar device

A spectral resolution and laser radar technology, applied in the field of real-time calibration of high spectral resolution laser radar devices, can solve the problems of inability to obtain real-time relative aerosol concentration and atmospheric temperature state information, and real-time calibration of measurement sensitivity, etc., to achieve The effects of reducing measurement errors, reducing inversion errors, and high measurement accuracy
CN101710178AInactive Publication Date: 2010-05-19OCEAN UNIV OF CHINA
0 Cites 38 Cited by

Patent Information

Authority / Receiving Office
CN Β· China
Current Assignee / Owner
OCEAN UNIV OF CHINA
Publication Date
2010-05-19
Estimated Expiration
Not applicable Β· inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
Patent Text Reader

Abstract

The invention relates to a real-time calibration high spectral resolution lidar device for measuring atmospheric wind field. The invention comprises a transmitting system composed of a pulse laser, a beam expander and a reflector, a receiving system composed of a telescope, optical filters, a molecular iodine filter, beam splitters and photoelectric detectors, a data acquisition system connected with the photoelectric detectors, and a data processing computer. The invention is characterized by also comprising two receiving channels of the rotational Raman, and the two receiving channels of the rotational Raman are connected in parallel by the beam splitters, extracts atmospheric molecule rotational Raman spectrum from the original detecting signal, and connected with the data acquisition system, the data acquisition system is connected with the data processing computer and transmits the acquired information to the data processing computer. The invention is characterized in that gasoloid relative concentration and atmospheric parameters are obtained from primary optical detection, and simultaneously wind speed refutation is carried out, measurement efficiency and measurement accuracy are improved with the wind speed measurement accuracy reaching 1m / s.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to a device for measuring atmospheric wind field by laser, more specifically, a laser radar device with real-time calibration and high spectral resolution for measuring atmospheric wind field. Background technique

[0002] Atmospheric wind field is an important parameter in meteorological observation, and has important application value in the fields of weather, climate, ocean, environment, transportation, aviation, and aerospace. High-spectral resolution lidar can obtain high-precision and high-temporal-resolution atmospheric wind field data, provide initial data for numerical weather prediction, and improve the observation and forecast capabilities of small and medium-scale disastrous weather; provide wind field monitoring for wind power plants, improve Generator power; it can also quickly and accurately detect turbulence, wind shear and other atmospheric structures that seriously affect the safety of the aircraft during the who...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More