Performance evaluation device for shipborne sea surface temperature infrared measurement equipment

Abstract

The invention belongs to the technical field of shipborne sea surface temperature measurement, and particularly relates to a performance evaluation device for shipborne sea surface temperature infrared measurement equipment. The performance evaluation device comprises a fence frame, four floats, four stirrers and a high-precision contact temperature sensor group; a relatively closed square openingwith the area of 4 square meters is formed by the fence frame to provide a sea surface temperature infrared measurement equipment observation area for the device, the four floats are installed aroundthe fence frame to enable the device to float on the sea surface, the four stirrers are installed 10 cm below the upper surface of the fence frame and used for fully stirring sea water in a closed area to ensure that the temperature of sea water within the depth of 10 cm is consistent, and the high-precision contact temperature sensor group provides a sea surface temperature true value; and the infrared temperature measurement equipment assumed to be arranged on a side board of a ship is evaluated according to the measurement true value. According to the performance evaluation device, not only is the problem of acquiring the sea surface true value solved, but also an effective method for evaluating the performance of the noncontact sea surface temperature measurement equipment is provided.

Description

technical field [0001] The invention belongs to the technical field of ship-borne sea surface temperature measurement, and in particular relates to a performance evaluation device of ship-borne sea surface temperature infrared measurement equipment. Background technique [0002] Shipborne sea surface temperature infrared measurement equipment is a kind of shipborne non-contact infrared temperature measurement equipment, and its measurement results are widely used in marine meteorological forecasting, atmospheric waveguide diagnosis, etc. Sea surface temperature is defined as the temperature of seawater at a depth of 10um on the seawater surface. The heat exchange between seawater and the atmosphere at this depth has a great impact on marine meteorology. Therefore, obtaining sea surface temperature is of great significance for marine meteorological forecasting. At present, the technical means of obtaining sea surface temperature is mainly infrared remote sensing technology, b...

AI Technical Summary

Problems solved by technology

At present, the technical means of obtaining sea surface temperature is mainly infrared remote sensing technology, but this technology is affected by meteorological elements such as clouds and humidity, so it cannot obtain the true value of sea surface temperature, and the contact temperature sensor cannot directly obtain the sea surface at a depth of 10um. Temperature, or what is obtained by contact temperature sensors is not the sea surface temperature, but the temperature of the sea water body, such as the buoy system

Images