弱信号检测 Testing of Feeble Signals ; [电] Weak signal detection
信号检测和估计 [自] signal detection and estimation
信号检测论 SDT ; signal detection theory
信号检测理论 signal detection theory ; Detection theory
信号检出器 signal detector
色度信号检波器 chroma detector ; chrominance detector
强信号检波器 power detector ; high-amplitude detector ; detector
误差信号检测器 error detector ; error signal detector
微弱信号检测 Weak Signal Detection ; feebleness signal detection
视频信号检测计数器 video signal detection counter
该系统利用计算机控制D／A转换器及精密电阻分压器，输出标准电势作为被检仪表的信号源；
In the system, a computer is applied to adjust a D/A device and a precise voltage divider for criterion signal output.
检校应用研究分为三个部分：数字信号源的校准研究、测量误差分析及最佳测量周期的确定。
The application research will include three parts: research on the calibration of digital signal source, error analysis and the best calibration interval.
上述方法能使图像反差增大，同时反映出缺陷点和正常点的不同时刻信号值的不同变化，并以此作为判断被检件是否存在缺陷的依据。
Those methods could enlarge the contrast of image and indicate the different change between the defect and the normal signals at different time. And it could be the basis to judge if there was defect.
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