三维超声阵列风速风向测量方法

李新波; 朱阁彦; 李厚禹; 贾云龙

doi:10.7652/xjtuxb201909010

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三维超声阵列风速风向测量方法

更新时间：2025-07-09

- 三维超声阵列风速风向测量方法
- A Method for Measuring Wind Velocity and Direction with Three-Dimensional Ultrasound Array
- 西安交通大学学报 2019年53卷第9期页码：70-78
- 作者机构：
  
  吉林大学通信工程学院,长春,130022
- 作者简介：
- 基金信息：
  
  : 2019-04-10。作者简介: 李新波(1980—),男,副教授。基金项目: 吉林大学研究生创新研究计划资助项目(101832018C021)
- DOI：10.7652/xjtuxb201909010
  中图分类号： TH765
- 网络首发：2019-09-10，
  
  纸质出版：2019
- 稿件说明：
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李新波, 朱阁彦, 李厚禹, 等. 三维超声阵列风速风向测量方法[J]. 西安交通大学学报, 2019,53(9):70-78.

A Method for Measuring Wind Velocity and Direction with Three-Dimensional Ultrasound Array[J]. 2019, 53(9): 70-78.
李新波, 朱阁彦, 李厚禹, 等. 三维超声阵列风速风向测量方法[J]. 西安交通大学学报, 2019,53(9):70-78. DOI： 10.7652/xjtuxb201909010.

A Method for Measuring Wind Velocity and Direction with Three-Dimensional Ultrasound Array[J]. 2019, 53(9): 70-78. DOI： 10.7652/xjtuxb201909010.

摘要

针对传统时差法测风精度受超声波传播时间测量精度直接影响的问题

提出了一种基于空间超声波传感器阵列及波束形成算法的三维风参数测量方法。使用一种新的一发多收的空间超声波传感器阵列结构

利用波束形成算法空域滤波

实现了增强期望信号、抑制干扰、提高测风精度的效果

仿真实验结果表明:在信噪比为5 dB时

所提方法几乎能达到100%的测量成功率

且信噪比越大

测量成功率越高

均方根误差越小。搭建了硬件实验平台对所提测风方法进行实验验证

结果表明:在允许结构误差和设备误差的前提下

所测风洞中的风速为6.363 7 m/s

与机械式测风仪所测结果6.443 m/s仅相差0.079 3 m/s

初步验证了所提方法的工程可行性。所提方法可为测风方法的探索提供一种新思路。

Abstract

The accuracy of wind measurement by the traditional time difference method is directly affected by the measurement accuracy of the ultrasonic propagation time.A three-dimensional wind parameter measurement method based on spatial ultrasonic sensor array and beamforming algorithm is proposed

in which a new structure of spatial ultrasonic sensor array with one transmitter and multiple receivers is adopted and the beamforming algorithm is used for spatial filtering to enhance the desired signal

suppress interference and improve the accuracy of wind measurement.Simulation shows that the success rate of wind measurement can reach almost 100% when the signal-to-noise ratio is 5 dB

and the higher the signal-to-noise ratio

the higher the success rate of wind measurement and the smaller the root mean square error.A hardware experimental platform is constructed to verify the proposed wind measurement method.It is shown that in wind tunnel the wind speed measured is 6.363 7 m/s

which is only

关键词

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references

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