Measuring method for wind direction and speed
专利汇可以提供Measuring method for wind direction and speed专利检索，专利查询，专利分析的服务。并且PURPOSE:To eliminate the influence of the disturbance of air currents in the measurement of the wind directions and wind speeds around a structure by using an instrument of which the standard deviation in the measured wind direction distributions is min. out of plural instruments as a reference and correcting the average of the measured value of said reference instrument. CONSTITUTION:Three pieces of ultrasonic wind vane and anemometers N, W and S of respectively a + or -120 deg. measurement range are installed on the outside walls of a tower body T, and wind directions and speed are actually measured with these, then average wind speeds and average wind directions are determined. Next, the abovementioned average wind directions and wind speeds are corrected in accordance with the predetermined correction curves, whereby the corrected wind directions thetaD and corrected wind speeds VD are determined. Next, of the three instruments, the one of which the standard deviations of the distributions of the wind directions thetaD is min. is used as a reference instrument, and the corrected wind direction of this instrument and the corrected wind direction of the other instrument closest thereto within + or -120 deg. are averaged, whereby the actual wind direction is determined. Next, the corrected wind speeds of the two instruments closest to the actual wind direction within + or -120 deg. with respect to this actual wind direction are averaged, whereby the actual wind speed is determined.，下面是Measuring method for wind direction and speed专利的具体信息内容。
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