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In this paper,the minimum detectable velocity(MDV) of moving target indication(MTI) radar is researched. 研究了动目标显示(MTI)雷达的最小可检测速度(MDV)。
Abstract: In this paper, the minimum detectable velocity（MDV） of moving target indication（MTI） radar is researched. 文章摘要: 研究了动目标显示（MTI）雷达的最小可检测速度（MDV）。
Minimum Detectable Velocity of MTI Radar MTI雷达的最小可检测速度
minimum detectable velocity (MDV) 最小可检测速度
The paper analyzes the clutter angle-Doppler spectrum in this radar system, and finds out that minimum detectable velocity(MDV) is dependent on detecting angles and will degrade a lot in some angles. 该文分析了该系统模式下的杂波角度-归一化多普勒谱，发现目标最小可检测速度与天线扫描角度有很大关系，对某些角度进行检测时性能严重恶化。
minimum detectable velocity 最小可检测速度
The minimum detectable concentrations (MDC) of Pb and Cd were 4mg/L and 0. 3mg/L respectively in 5 .0ml sample. 取样品5.;0ml，最低检出浓度铅、镉分别为4mg/L，0
The minimum detectable concentrations are less than 0.1 ppm for H2, O2 and CH4, and 0.5 ppm for CO. 氢、氧、甲烷的最小检知浓度为0.;1ppm;一氧化碳的最小检知浓度为0
The method is simple, fast and of high precision and accuracy.The minimum detectable concentration is 1.5mg/kg. 该法简便快速;最低检测浓度为1.;5毫克/公斤;具有良好的精密度和准确度。
For 51Cr, 60Co, 65Zn, 95Zr-95Nb and 137Cs the decontamination factor is greater than 103. The minimum detectable limit of this method is 3. 8X 10-3 Bq/L. 对铬-51、钴-60、锌-65、锆-95-铌-95和铯-137等核素的去污系数均大于10~3。方法简便;易于操作;探测限为3.;8×10~(-3)BqL~(-1)。
The result of the experiment shows that this algorithm available is able to accelerate the detecting velocity of NIDS. 实验测试结果表明该算法能够有效提高网络入侵检测系统的检测速度。
The result of the experiment shows that this algorithm available is able to accelerate the detecting velocity... 实验测试结果表明该算法能够有效提高网络入侵检测系统的检测速度。
The scheme can achieve 195V/pF sensitivity and IfF minimum detectable capacitance variance, which can satisfy the capacitive micromachined inertial sensors with ordinary precision. 采用一组标定电容作为传感器的模型进行了实验,实验电路灵敏度可以达到195V/pF,最小分辨率为1fF。采用该方案能够满足对普通精度的电容式微机械惯性传感器信号的检测。
This study adopts the Monte-Carlo general software-MCNP to compute and analyze the effect of movement of the nuclear matter on the minimum detectable limit of the nuclear radiation detector array. 文章通过建立蒙特卡罗模型并应用通用软件MCNP程序分析计算核材料的移动对核辐射探测器阵列探测下限的影响。
Detecting the density of pollutant gas is one of the important applications of lidar.The minimum detectable concentration is a key index of lidar. 探测大气中污染气体的浓度是激光雷达的一个重要应用方面,最小可探测浓度是衡量一个雷达系统的重要指标。
From the qualitative point of view, the nuclear material are more difficult to detect when moving than static (namely, the minimum detectable limit is lower when static than moving). 从定性的角度看，核材料移动比静止时更难以探测（即静止比移动时的探测下限低）。
The minimum detection limit of this method is 1.5 Bq/L, The precision is 10% , The recovery ratio is 97% - 100% . 方法的检测限为1.;5Bq/L;精密度为10%25;放化回收率为97%25-100%25。
Experiments on a series of X-ray images,which are taken by robot when it is working,are conducted. The experimental results show that,the algorithms detect the deviation angle precisely,and the detection velocity reaches 25 fps. 文中对机器人作业时拍摄的一组X射线图像进行了试验,结果表明:文中算法从X射线图像中准确检测出了管内外间的转角差,且检测速度超过25帧/秒的实时性要求。
Minimum Detective Height and Height Measurement Accuracy Use Diffraction Wave Method to Detect a Crack Height. 衍射波法测定裂纹高度时的最小可测高度和高度测试精度。