| 杨垚,李鋆,何元安.基于黄金分割搜索算法的行波管测量方法[J].,2020,39(1):157-162 |
| 基于黄金分割搜索算法的行波管测量方法 |
| Traveling Wave Tube Measurement Method Based on Golden Section Search Algorithms |
| 投稿时间：2019-07-25 修订日期：2020-01-02 |
| 中文摘要: |
| 为了提供声学材料的测试环境，本文通过有源吸声技术在行波管中建立了一套测量系统，声管中实现了模拟无限水域的行波场环境，从而对样品的声学参数进行测量。提出了一种利用黄金分割搜索算法对最佳时延与幅值进行搜索从而完成行波场建立的方法。在上述行波场建立的基础上，利用双水听器法分别对水柱与钢板样品的声学参数进行了声学测量，透射系数测量值与理论值符合较好。 |
| 英文摘要: |
| In order to provide a testing environment for acoustic materials, this paper establishes a measuring system in traveling wave tube by using active sound absorption technology. The traveling wave field environment as in infinite water area is simulated in the sound tube, and the acoustic parameters of the sample are measured. A golden section search algorithm is proposed to search the optimal delay and amplitude to complete the establishment of traveling wave field. On the basis of the above traveling wave field, the acoustic parameters of water column and steel plate samples were measured by double hydrophone method, and the measured values of transmission coefficient were in good agreement with the theoretical values. |
| DOI：10.11684/j.issn.1000-310X.2020.01.020 |
| 中文关键词: 行波管 有源吸声 黄金分割搜索算法 |
| 英文关键词: Traveling wave tube active sound absorption golden section search algorithm |
| 基金项目: |
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