Highlight model for cancellation of target acoustic echo in air medium

Zhongcheng MA; Lianghao LYU; Baoshan YANG

doi:10.11990/jheu.202506042

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Highlight model for cancellation of target acoustic echo in air medium

Research Article | 更新时间：2026-03-31

- Highlight model for cancellation of target acoustic echo in air medium
- Journal of Harbin Engineering University Vol. 46, Issue 8, Pages: 1503-1507(2025)
- 作者机构：
  
  1.大连测控技术研究所, 辽宁大连 116013
  2.水下测控技术重点实验室, 辽宁大连 116013
- 作者简介：
- 基金信息：
- DOI：10.11990/jheu.202506042
  CLC： TG156
- Received：18 June 2025，
  
  Online First：26 June 2025，
  
  Published：05 August 2025
- 稿件说明：
移动端阅览
Zhongcheng MA, Lianghao LYU, Baoshan YANG. Highlight model for cancellation of target acoustic echo in air medium[J]. Journal of Harbin Engineering University, 2025, 46(8): 1503-1507.
DOI：

Zhongcheng MA, Lianghao LYU, Baoshan YANG. Highlight model for cancellation of target acoustic echo in air medium[J]. Journal of Harbin Engineering University, 2025, 46(8): 1503-1507. DOI： 10.11990/jheu.202506042.

摘要

为了研究回波对消的物理基础，本文根据线性系统理论建立了回波对消的亮点模型，定义了声学中的对消度。从目标回波的物理声学理论出发，得到亮点模型各参数的物理定义。构造回波对消系统和测试条件，进行了2类单亮点目标的测试。在不同频率和信号类型下，在1.8~2.8 kHz的测试频段，信号达到6.0~14.6 dB的对消效果。与相关理论解的对比和试验表明，回波对消亮点模型对不同目标和信号形式均具有普适性。

Abstract

The physical basis of echo cancellation was studied. Considering linear system theory

a highlight model for echo cancellation was established

and the cancelling ratio in acoustics was defined. The physical definition of each parameter in the highlight model of the target echo was defined according to physical acoustic theory. An echo cancelling system was constructed

and the test conditions were determined. Two kinds of single highlight targets were tested

in the test frequency band of 1.8 kHz to 2.8 kHz. Comparison of the theoretical solution and experimental results shows that the highlight model for echo cancellation is universal for different targets and signal forms.

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references

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