简要阐述了热释电红外传感器的工作原理；
The working principle of pyroelectric infrared sensors is also introduced briefly.
讨论了热释电传感器的应用领域和发展前景。
Applicable field and future outlook for pyroelectric sensors are discussed.
介绍一种以热释电红外传感器为检测部件，结合智能语音合成系统在选矿工程中的应用。
An application to mineral separation engineering is introduced of the pyroelectric infrared transducer and the system of Intelligent speech production.
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