1) threshold of detectability
探测阈，检波阈
2) threshold detector
阈探测器
1.
Study on the measurement technique of threshold detectors’ γ activated spectrum (In Chinese);
阈探测器活化γ射线测量技术研究
2.
This paper contains the following two aspects:First,use the threshold detectors meth od to measure the neutron spectroscopy of Am-Be neutron source at the close place.
本论文共进行了下面两方面的工作:一、利用阈探测器法测量Am-Be中子源近源点的中子能谱;二、利用MCNP-4C模拟了近源点的能谱,然后与阈探测器法测量结果进行了对比,并对慢化装置的性能进行较综合的评价,给出优化方案。
3.
The neutron spectrum from the Am-Be neutron source in the radiation shield cavity was measured by threshold detector method.
选用多种活化箔片作为阈探测器,测量了Am-Be中子源屏蔽辐照腔内的中子能谱。
5) Detection Threshold
探测阈值
1.
A testing method on detection threshold for channel vehicle radiation monitoring system to γ radionuclide activity was discussed.
论述了通道式车辆放射性测控系统对γ放射性核素活度探测阈值的测定方法。
6) Threshold Detection
阈值检测
1.
The threshold detection method based on FLOS under the non-Gaussian condition,the definition of the granularity distribution function and the autocorrelation moment are proposed as well.
为了在进行病变组织检查时,能检测出微小的病变硬化组织,在介绍α稳定分布和与之对应的分数低阶统计量(FLOS)(即分数低阶矩,FLOM)的基础上,给出了非高斯条件下基于分数低阶统计量的阈值检测方法、图像颗粒度分布函数和自相关矩,并首先以超声医学图像为例,分别用高斯分布的方法和α稳定分布方法对超声医学图像进行阈值检测;然后对经过阈值检测后的图像,利用数学形态学方法计算水平方向和垂直方向的颗粒度分布函数;最后求出两个方向的相关系数。
2.
Three methods for analyzing and processing the laser scattering signal of bubbles in water,the threshold detection,noise elimination processing and power spectral estimation,are put forward.
提出了阈值检测、降噪处理和功率谱估计三种分析和处理水中气泡激光散射信号的方法。
补充资料：核爆炸地震波探测(见核爆炸探测)
核爆炸地震波探测(见核爆炸探测)
nuclear explosion seismic detection
hebaozho dizhenbo tanee核爆炸地震波探测(nuclear explos，onseismie detecuon)见核爆炸探汉，l。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条