查询词典 detector

This paper, based on multi information database of smoke aerosol in early fire, concludes and analyzes the inherent ability of forward scatter-type photoelectric smoke detector. A feasible arithmetic disposal technology and an intelligent way for fire detection are proposed, which effectively improves the fire detection and antijamming ability of current forward scatter-type photoelectric smoke detector.

以国家科技部973项目中建立的火灾探测应用环境及火灾信息数据库为依据，对目前使用最为广泛的前向散射型光电感烟探测器固有特性的归纳和分析，通过数据挖掘，提出一种切实可行的算法处理技术和智能判断火灾方法，有效提高了现有前向散射型光电感烟探测器的火灾探测及其抗干扰能力。

On the basis of ultraviolet standard detector in National Institute of Standard Technology, the absolute criterion was transferred to the responsivity unknown ultraviolet silicon detector, ultraviolet multiplier phototube and the ultraviolet solar blind photomultiplier.

以NIST(美国国家标准技术研究院)紫外标准探测器为基准，在200~400 nm波段对响应度未知的紫外硅探测器，紫外增强型光电倍增管和日盲型紫外光电倍增管进行了绝对标准的传递和光谱响应度、量子效率的标定，并在350 nm对紫外硅探测器的空间均匀性进行了标定。

Open Linear Encoder includes main grating scale and optical encoder head. This optical encoder head includes LED light source, optical detector module, and secondary phase-grating. LED light will pass through the plano-convex lens and produces parallel light. As the parallel light pass through secondary grating, the quadratic image display on the main grating scale. And the Moire interference will be reflected from the main grating scale and detected by optical detector module, as there is a relative shift between the main and secondary grating. From detecting the periodic sinusoidal signal with phase difference 90°, the period represents the grating pitch, using the counter to detect the number of periodic signals to get the displacement, and we can adapt the technology of electron subdivide further to increase the resolution of measurement .

反射式光学尺包括主光栅尺及光学读头，光学读头包含LED光源、光侦测器模组及相位式副光栅，LED光源经平凸透镜，产生平行光穿透副光栅后，副光栅之二次成像投射在反射主光栅尺上，当主、副光栅因相对运对产生之Moire干涉经主光栅尺反射至光电检测器，检出相位差90°之周期性弦波讯号，其周期代表栅距，因此可用计数器检出周期性讯号数目得到位移量，可进一步采用电子细分割技术提高解析度。

A pseudosphere-based edge detector is built by replacing the Gaussian filter in the classic Canny edge detector with the pseudosphere filter.

以伪球滤波器取代经典Canny 边缘检测算子中的高斯滤波器，得到一种基于伪球的边缘检测算子。

Using 60Co γ-rays and 70～180 keV X-rays,the test results show that saturation characteristics of the cavity ionization chamber meet the requirement of DIS detector. Direct Ion Storage detector,tissue-equivalent cavity ionization chamber,MOS field effect transistor,saturation characteristic curve

本文从探测器原理出发，设计与研制DIS探测器中组织等效空腔电离室，重点从壁材料、气体成分、腔体形状和尺寸、壁厚度以及绝缘材料等角度，测试电离室辐射性能，以为研制新型DIS探测器奠定基础。1DIS探测器原理图1直接电

The detector housing is identical to that of the ionisation smoke detector.

该探测器的房屋是相同的探测器的电离烟雾。

The spectral responsivity is one of the important parameters of detector. With the development of ultraviolet detect technique, accurate measure for the spectral responsivity of ultraviolet detector becomes more and more important.

光谱响应度是探测器的重要技术参数之一，随着紫外探测技术的发展，精确测量紫外探测器的光谱响应度变得越来越重要。

Introduce EXIT charts, discuss the LDPC ensemble design methods via EXIT charts in BEC and AWGN channels. Design maximum code rate LDPC ensembles in 2×2 MIMO systems via linear programming and curve fitting.(6) In view of tradeoff between decoding complexity and decoding accuracy, design suboptimum MIMO interference canceling detector, compare it with dual iterative MIMO detector.

6考虑到译码复杂度与译码精度之间的权衡，作者设计了次最优的干扰消除MIMO检测器，并与双重迭代MIMO检测器进行了对比分析。

The physics of the noise mechanism that is based on pair of active first detector understands, noise was used to eliminate a technique in circuit, twinkle in order to reduce what the switch in Gilbert first detector is in charge of noise, introduce an additional inductance and switch to be opposite in all the parasitism capacitance of source node is syntonic, the sonic system of a confusion of voices that improves whole circuit is counted and change gain to wait for crucial function index.

基于对有源混频器的噪声机制的物理理解，电路中采用了噪声消除技术，以减少Gilbert型混频器中开关管的闪烁噪声，并引入一个额外的电感和开关对共源节点的寄生电容谐振，改善整个电路的噪声系数和转换增益等关键性能指标。

The thermoelectricity detector can work under the room temperature, it has the very wide spectrum scope and high survey rate, therefore the thermoelectricity detector is widely applied.

热电探测器能在室温下工作，具有很宽的光谱范围和较高的探测率，因此得到广泛应用。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

Talk Undelete failed; someone else may have undeleted the page first.

Talk 无法删除选定的页面或图像（它可能已经被其他人删除了）。