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System for detecting the presence of a person or animal in the boot of an automotive vehicle, or back of a cargo truck, uses an acoustic signal analysis unit to detect the presence
System for detecting the presence of a person or animal in the boot of an automotive vehicle, or back of a cargo truck, uses an acoustic signal analysis unit to detect the presence
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机译:用于检测机动车辆的后备箱或货车后部中人或动物的存在的系统使用声音信号分析单元来检测存在
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摘要
The arrangement includes a unit, which emits an acoustic signal of a certain predetermined frequency, and a receiver in the boot for detecting the reflected signal. There is an analysis unit, which analyses the reflected acoustic signal to determine the presence of a person or animal in the boot.
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