SYSTEM TO MEASURE PARAMETERS OF ATMOSPHERE DYNAMICS IN SURFACE LAYER Russian patent published in 2015 - IPC G01W1/02 

FIELD: measurement equipment.

SUBSTANCE: invention relates to the field of aviation instrument making and may be used in aviation meteorology in measurement of parameters of aviation dynamics in surface layer for assessment of conditions of aircraft take-off and landing, in forecasting of environmental situation in areas of anthropogenic catastrophes, and also on aircrafts and vessels in measurement of parameters of a wind speed vector. Substance: a system comprises a wind-receiving device (1), flow-through pressure difference sensors (2), electric measurement circuits (3) for generation of primary informative signals, an analogue-digital converter (4), an information processing device (5), an information display device (6). At the same time pressure difference sensors (2) with their electric measurement circuits (3) create a unit (7) of generation of primary informative signals by signals of pressure difference. Besides, the system comprises a unit (8) of primary signals generation by climatic parameters of atmosphere, comprising an averaging cavity (12) of signal generation by atmospheric pressure, communicated with a sensor (13) of atmospheric pressure, an averaging cavity (14) of temperature perception, communication with a sensor (15) of atmospheric temperature, and a compensation sensor (16) of temperature connected with its electric measurement circuit (17) of signal generation by temperature compensation. Besides, the system comprises a unit (9) of preliminary processing of signals, comprising serially connected circuits (18) of temperature correction and low pass filters (19). Inputs of the unit (9) of preliminary signals processing are connected to electric outputs of the unit (7) of primary signals generation by pressure difference and to the output of the unit (8) of primary signals generation by a signal of temperature compensation. Outputs of the unit (9) of preliminary processing of signals by signals of speed are connected to inputs of the analogue-digital converter (4). The digital output of the analogue-digital converter (4) is connected to the unit (5) of functional processing. Outputs of the unit (5) of functional processing are outputs of the system of measurement of parameters of atmosphere dynamics in surface layer by signals of speed and direction of the wind, atmospheric pressure, speed of its change, temperature of atmospheric air and speed of its change.

EFFECT: increased efficiency of a system due to expansion of functional capabilities, increased noise immunity of system functioning to disturbances of surface layer of atmosphere.

2 cl, 1 dwg