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The ultrasonic bird repeller produced by Tongkai is an ultra-low-power ultrasonic generation system designed and manufactured by using imported single-chip microcomputer....

This paper presents an appraisal of methods and devices employed for autonomous bird pest control in agriculture. Pests cause millions of dollar worth damage to...

The basic objective for using repellents, be they mechanical or chemical, is to change the behavior of the targeted species. In general, the mechanics of the pr...