| 伟利国,张小超,范智,周立明.声场聚焦在数字语音驱鸟器阵列中的应用[J].,2010,29(4):252-255 |
| 声场聚焦在数字语音驱鸟器阵列中的应用 |
| Application of acoustical hotspot generation in the audio bird repellent array |
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| 中文摘要: |
| 鸟害已成为某些农作物的主要经济损失,为了提高数字语音驱鸟器驱赶害鸟的效果,本文给出了数字语音驱鸟器阵列系统设计和声音链声场聚焦实现方法,并详细说明了硬件电路的实现。阐述了声场聚焦的原理,通过调整声音链阵列加权实现了声场聚焦,达到预期效果。 |
| 英文摘要: |
| Birds can cause major economic loss to a number of agricultural crops,including fruits and nuts.Sonic scaring devices are useful tools for repelling birds from agricultural and industrial settings.In order to enhance the effect of bird repellent,this paper shows the system design of digit audio bird repellent array and the method of acoustical hotspot generation.The designed circuit is presented.Acoustical hotspot can be achieved through weighting the array signals.Satisfactory results are obtained as experiments show. |
| DOI：10.11684/j.issn.1000-310X.2010.04.003 |
| 中文关键词: 数字语音 驱鸟器 声场聚焦 |
| 英文关键词: Digital audio Bird repellent device Acoustical hotspot |
| 基金项目:国家863计划项目(2007AA10Z240) |
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| 摘要点击次数: 2429 |
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