It activates a gamma-ray detector that will spot a nuclear blast as much as 100 miles away and instantly shut all the airvents. He had it tested before moving in.
它能使伽马射线嗅探器工作——嗅探100英里外核爆炸并立即关闭所有通风口。
Firstly, each frame in image sequence is distinguished between stationary and moving regions by using a motion detector.
首先，利用运动检测器将图像序列的每一帧分割成静止区域与运动区域。
It is composed of adaptive MTI (AMTI) with variable number of pulses, digital pulse compression (DPC), moving target detector (MTD), digital integration (di) and constant false alarm rate (CFAR).
它包括点数可变的自适应动目标显示(AMTI)，数字脉压(DPC)，动目标检测器(MTD)，数字积累(DI)和恒虚警率处理(CFAR)。
The structure and realization method of a kind of moving vehicle detector in toll-station are introduced by this paper.
本文介绍一种高速公路收费站行驶车辆检测器的组成与实现方法。
Zero-crossing detector is capable of predicting the shape changes of power spectrum so as to find the newly emerged moving sound sources in ambient noise.
过零检测器可以通过预报功率谱形状的变化来发现环境噪声中新出现的运动声源，研究了过零检测器的检测性能。
A moving utensil for portable ultrasonic probe which is made of chargeable electronic screwdriver is introduced, and it can be used to assist detector to detect steel butt-joint welding seam.
介绍一种利用充电电动螺丝批改制的轻便手持式超声波探头移动器，可辅助检测人员进行钢板对接焊缝的超声波检测工作，从而提高检测工作效率、减轻工作强度。
An arm-adjustable corner device was designed for the BRDF system. Changing the distance to the sample by moving the detector arm made the device applicable to different wavelengths.
在光源固定以及样片转动和探测器移动的方法基础上设计了新的转角装置，通过使探测器沿悬臂移动来改变到样片的距离，可适用于不同波长的光源。
An arm-adjustable corner device was designed for the BRDF system. Changing the distance to the sample by moving the detector arm made the device applicable to different wavelengths.
在光源固定以及样片转动和探测器移动的方法基础上设计了新的转角装置，通过使探测器沿悬臂移动来改变到样片的距离，可适用于不同波长的光源。
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