A method for determining a time interval and a terminal

Abstract

The embodiment of the invention discloses a method for determining a time interval, and a terminal, and is used for objectively and vividly analyzing a sampling wind direction angle recorded by monitoring equipment through a preset algorithm and a generated wind direction angle distribution frequency diagram and determining a target time interval so as to carry out more meaningful analysis on thesampling wind direction angle. The method of the embodiment of the invention comprises the following steps that: a terminal obtains the first set of sampling wind direction angles in a preset time interval, wherein the sampling wind direction angles are sampled by the monitoring equipment according to a preset sampling period; the terminal carries out calculation to obtain an average wind direction angle according to the preset algorithm through the sampling wind direction angle and obtains the second set of average wind direction angles in the preset time interval; the terminal generates a coverage angle which contains the wind direction angles and a wind direction angle distribution frequency diagram of a wind direction angle frequency value; the terminal judges whether the wind direction angle distribution frequency diagram meets a preset condition or not; and if the wind direction angle distribution frequency diagram meets the preset condition, the terminal determines that the preset time interval is the target time interval. The embodiment of the invention also provides the terminal.

Description

Technical field[0001]This application relates to the field of environmental monitoring, and in particular to a method for determining a time interval and a terminal.Background technique[0002]In daily life, production and other activities, it is often necessary to measure the wind direction and record the wind direction angle. The so-called wind direction is the direction of the horizontal air flow, which is the horizontal movement of the air. The so-called wind direction angle is the angle of the wind direction. The angle range is between 0 and 2π. Generally speaking, the directions of due north, due south, due east, and due west are respectively Corresponds to 0, π, 1 / 2π, 3 / 2π.[0003]The measured wind direction angle can provide reference for people's target behaviors such as travel, agricultural production, and factory location. For example, it is necessary to avoid setting up factories in the downwind direction with dense residential areas relative to the upwind direction, otherwi...

AI Technical Summary

Problems solved by technology

[0004] Therefore, this leads to a variety of real-time wind direction angles monitored by the monitoring equipment, and the abstract relationship between the wind direction angle and the time interval, especially when the monitoring time is as long as several days or months, the wind direction monitored by the monitoring equipment The number of angles is even greater

Generally speaking, the statistical analysis of the terminal for the wind direction angle is to analyze the wind direction angles detected by the monitoring equipment during the time interval from opening to closing, and it can also be randomly selected or specified to select the wind direction angle within the preset time interval However, it is impossible to determine which time interval the terminal extracts and records the wind direction angle for analysis, which is more statistically significant, and it is impossible to more accurately guide people's life, production, etc.

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