The R plasmid curing experiment was performed in Shigella strain F_ ( 13 ) which used as a target bacteria bearing R plasmid with Huangqin a traditional chinese herb as a elimination agent in vitro .
以 携带R质粒的痢疾杆菌F(13)株为 靶细菌,以黄芩甙作为R质粒消除剂,进行R质粒体外消除试验。
The model with the two-buoy arrays used for tracking of underwater moving target for bearing estimation is presented and the spatial distribution of tracking accuracy is described .
介绍了具有 方位估计功能的二元浮标阵用于跟踪水下动 目标的模型,并描述了跟踪精度的空间分布。
A method of target bearing estimation by means of center of gravity of area is given and the principle of the method is explained .
提出一种应用求面积重心进行 目标 方位估计的方法,阐明了该方法的原理。
The work principle of directional detector and the key technique for identifying target bearing are analyzed . Design and calculation of detecting antenna have been carried out .
分析了定向探测器的工作原理和 目标 方位识别的关键技术,并对探测天线的设计做了详细的分析和计算。
Observability of Maneuvering Target Passive Tracking with Bearing and Doppler Measurements
基于 方位 角和多普勒的机动 目标无源定位跟踪可观测条件
The displacement-based seismic design of reinforced concrete structure includes the contents of two respects mainly . One is determination of the base shear by target displacement and design the bearing capacity of member section ;
钢筋混凝土结构基于位移的抗震设计主要包括两方面的内容,一是由 目标位移确定结构的基底剪力,然后进行构件截面 承载力设计;
The result shows that with the increase of weld current and weld spe - ed Fe content increase ( Fe content is the important target of bearing band . )
研究结果表明:随着焊接速度和焊接电流的增加,焊缝含铁量增加(含铁量是 弹 带的重要 指标)。
Tracking a 3D Maneuvering Target with Bearing - Only Measurements
三维纯 角度机动 目标跟踪算法
The model of radar target is composed of distance bearing speed heading and amplitude of echo fluctuation .
目标模型包括船舶的距离、 方位、速度和回波幅度、幅度起伏。
It decreases the uncertain region of observer optimization position based on the observer and target bearing distributing relationships .
算法以 目标和观测器的 方位分布关系为基础,减小了观测器最优位置的搜索范围。
Underwater Target Identification Based on the Methods of Bearing and Cross-spectrum
基于 方位走向法和互谱法的水中 目标识别
Computer simulation indicates the algorithm can track the bearing of a target and improve bearing accuracy .
计算机仿真分析结果表明该算法可以有效地进行 目标方位跟踪,进一步提高 目标 定向精度。
Passive bearings-only target motion analysis ( BO-TMA ) is to estimate the position and velocity of a target from bearing measurements with corrupted noise obtained by an observation platform .
被动式纯方位目标运动分析( BO-TMA)是一种从探测器所观测到的加噪 方位信息中估计 目标运动要素的方法。
Simulation study on passive tracking of underwater moving target for bearing only
水下动 目标纯 方位被动跟踪仿真研究
Time-region Target in Application of the Air Blower Bearing Trouble-diagnose of the Removing Dust
时域 指标在除尘风机 轴承故障诊断中的应用
The Fourier transform of the combined of acoustic pressure and particle velocity is cross-spectral . The ratio of the intensity of cross-spectral can be used in target bearing estimation .
P-V声强的傅里叶变换即为互谱,互谱强度比值可用于 目标 方位估计。
The output model of vector sensor vector sensor cross-spectral estimation and target bearing estimation are given .
在数学上描述了矢量传感器的输出模型,矢量传感器互谱估计以及 由此得出的 方位估计。
Target Bearing Estimation by Means of Gravity Center of Area
应用求面积重心方法进行 目标 方位估计
Target Bearing Data Pre-Processing based on GM ( 1 ) Grey System Model
GM( 1)模型用于 目标 方位数据预处理
Pile-soil stress ratio is an important parameter which affect the behavior of pile-net composite foundation and it also is a target of calculating bearing capacity and displacement .
桩土应力比是反映桩~网复合地基工作状态的一个重要参数,也是计算桩~网复合 地基 承载力和沉降的重要 指标;
Bearings-only passive tracking is an important branch of passive localization and tracking technique . It is to estimate target motion parameters from bearing measurements and complete target locating .
纯方位被动跟踪是无源定位跟踪技术的一个重要分支,它是一种利用 目标 的 方位信息估计 目标的运动参数,对目标实施定位跟踪的技术。
Way of identifying target based on covariance of bearing fluctuation
基于 方位起伏方差的 目标识别方法
Through improving construction wallboard structure and material we enhance wallboard quality increase wallboard comprehensive functions and enlarge its usage scope to achieve the research target of taking the construction wallboard as bearing wallboard material .
通过对建筑墙板结构和材料的合理改进,提高墙板质量和增加墙板综合使用功能,扩展其使用范围,实现以建筑墙板作为 承重墙体材料应用为研究的 目标。
This paper studies recursive algorithms implemented in passive bistatic radar target motion analysis system using bearing and Doppler shift measurements .
本文研究用递推算法实现只测量到达 角和多普勒频移的无源双基地雷达的 目标运动分析。
The performance of target tracking algorithms with bearing measurements plus a known target speed is not better than that of bearings-only algorithms in real applications .
利用测量的 目标方位序列和一个已知的目标速度来解算 目标运动的其他参数,在实际使用中,该方法效果很差,与仅 方位方法十分相似:精度低、收敛慢。
Then for the benefit of the left / right target bearing resolution technique we combine the pressure-velocity processing with the information provided by the multi-dimensional combined vector hydrophone which is composed of sound pressure hydrophones and particle velocity sensors in different ways .
结合左右 舷 目标分辨技术,本文还对由声压与振速传感器,以不同方式组合而成的多维矢量水听器及矢量阵进行了联合信息处理研究。包括声压、振速信息预处理;
A New Parameter Estimation Method for Flying Target Using Bearing Measurement
利用 角度测量估计机动 目标 运动参数的方法
Research of underwater passive target motion analysis algorithm using both bearing and time-delay measurements
一种基于 方位时延的水下被动 目标运动分析算法研究
美[ˈtɑrɡɪt ˈbɛrɪŋ]英[ˈtɑ:ɡit ˈbɛəriŋ]
目标方位