Based on uniform line array, the sonar equation of active sonar beam main lobe and side lobe interfered by noise-jammer are presented. 研究了噪声干扰器对鱼雷主动声呐的对抗原理,以等间隔直线阵为例,分别给出了干扰器对鱼雷主动声呐主瓣和旁瓣的干扰方程。
Analytical calculations of the 3-D electrostatic fields of arc uniform line charges 弧形均匀线电荷三维静电场解析计算
Linear electrical constant of uniform line 均匀线路的线性电常数
Lane-the area of deck receiving one vehicle or one uniform load line. 车道&承受一辆车或一条统一载重线的桥面区域。
Estimations of the morphological characteristics of fracture surface in rocks include the stereological estimation, the vertical section method, the method of the isotropic uniform random line, the method of the angular distribution, the method of the colatitude distribution and so on. 岩体裂隙面形态特征评价方法有立体评价法、垂直剖面法、迷向均匀随机线法、角分布法、余纬度分布法等。
The Segmented Wedge Array Uniform Line Focus System with Controlled Aspect Ratio 焦线可控的光楔列阵均匀线聚焦系统
The paper also gets the function between the rated flow and the rated pressure of the pump on ships whose BW pipe net is uniform and line is different, which provides a new method for the selection of BW pump. 文章对压载水系统相同而航线不同的船舶,利用最小二乘法得到其压载水泵额定流量和额定压头之间的函数关系,为压载水泵的设计和选型提供了新的方法。
Target moving element is given through calculating sonar data, then its kinematic rule is imitated with uniform straight line motion. 目标运动要素可通过解算声纳数据而获得,用匀速直线运动来模拟目标运动规律。
To reduce the traditional array size of four-component vector hydrophones and redundant components, a new direction of arrival ( DOA) estimation method was proposed using a uniform line array of two-component vector hydrophones. 为了减小传统四元矢量水听器阵的尺寸和减少冗余阵元,提出了采用等距二元矢量水听器直线阵的二维波达方向(DOA)估计方法。
The proof is sufficient for the uniform transmission line in actual electrical engineering. 此证明对实际工程中的均匀传输线是完全适用的。
Study on the Experiment Platform for Uniform Transmission Line 均匀传输线实验平台的研究
The design and analysis of rectangular waveguide bandpass filters made up of longitudinal metallic diaphragm using cut-off waveguide theory and the principle of uniform transmission line equivalent network is presented. 本文提出利用截止波导理论和均匀传输线的等效网络理论,分析和设计矩形波导纵向金属膜片带通滤波器。
The linear beam model is used to calculate the energy release rate for delamination cross-ply laminate beam subjected to a uniform line load parallel to the width direction at midpoint of the beam in this paper. 本文用线性梁模式研究了正交铺设拖脱层层合梁在中点受到平行于宽度方向的均布线载荷时的能量释放率,研究了脱层长度、脱层位置和横向剪切对能量释放率的影响。
Analysing on working states about lossless uniform transmission line 无耗均匀传输线的工作状态分析
Meanwhile, their growing up drove the formation of anti-Japanese uniform line. 中间势力的崛起推动了抗日民族统一战线的形成。
A method of wave process analysis of uniform lossless transmission line by using LC chain loop transient state 一种用LC链形回路过渡过程求均匀传输线波过程的分析方法
Under 16 boundary conditions, the formulae were developed for the calculation of the annular sandwich plate subjected to polynomial distributed loads, uniform moments, uniform radial pressure along the edges, uniform line load along an inner edge or their combination. 讨论了16种边界条件,荷载可为多项式型的分布荷载、内缘均布线荷载、均布边缘力矩或均布径向压力及它们的组合。
A refined ESPRIT algorithm for uniform line array s 一种均匀阵列下的ESPRIT改进算法研究
Therefore, based on the thoughts taking the centerline of the entry guide as the basis and using the pass for spotting to carry out uniform rolling line, the fixed guide fittings, which separate from the rolling mill, are designed. 为此,采用以进口导卫中线为基准、用孔型找正、实现轧制线统一的改进思路,设计了与轧机本体分离的固定导卫装置。
In an example of selecting mechanism type with uniform straight line motion, a subordinate degrees, fuzzy set and weight set are described, and the influence of human subjectivity can be eliminated and an impartial and reasonable result can be achieved. 在匀速直线运动机构的选型实例中,叙述了有关隶属度、模糊关系,权重因素的确定,降低了某些人为主观因素的影响,其结果更为全面、合理。
Suggestion, development and perfection of Moyer model are described. The methods of experimental determination of Ho ( Ep),β and λ are given. Application of Moyer model for calculation of transverse shielding of point-line sources and infinite uniform line sources are represented. 简述了Moyer模式的提出、发展及完善过程,给出了Moyer模式三参数的实验确定方法,叙述了利用Moyer模式计算类点源及无限均匀线源的屏蔽方法。
Direction of Arrival Estimation Using a Uniform Line Array of Two-component Vector Hydrophones 采用等距二元矢量水听器直线阵的二维波达方向估计
Uniform line spacing plane gratings are introduced into recording systems to generate aspheric wavefronts to record varied line spacing plane holographic gratings. 研究了使用平面等间距光栅产生非球面波,记录平面变间距全息光栅的方法。
At the same time, it introduces how to pay more attention to equivalence teaching method. Based on Kuroda's identities, binomial form lossless nonuniform transmission line can be represented with the equivalent circuit that includes lumped elements and lossless uniform transmission line. 指出在电子线路基础教学中重视等效方法教学的思路和途径。应用科罗达等效方法可将二次项型无损耗非均匀线用无损耗均匀线及集中参数元件组成的等效电路表示。
This paper introduces the information about the calculations of the 3-D electrostatic fields of arc uniform line charges at any position in space. 对空间任意位置的弧形均匀分布线电荷形成的三维静电场,导出解析计算公式。
An Experimental Circuit Design Using a Recurrent Network to Simulate Uniform Transmission Line 用链型网络模拟均匀线实验电路的设计
At present, the research about super-resolution estimation algorithms on array signal processing mainly based on uniform line array ( ULA) using the ideal signal and noise model thougth the plane array is used widely in reality. 目前,大部分阵列信号处理的超分辨率估计算法研究都是基于均匀线阵,采用理想的信号和噪声模型推导出来。
Front-line and distance ranging from a uniform line array for the main study, in ideal conditions, respectively, conducted a study of four algorithms, and draw the corresponding conclusions. 1. 以均匀线阵和不等间距线阵为主要研究对象,在理想的条件下,分别对四类算法进行了研究,并得出了相应的结论。
In this thesis, the equation of uniform transmission line is derived, which is based on the distributed parameter transmission line module. Also the decoupling of three-phase system is achieved. 论文基于分布参数模型,推导了均匀传输线方程,并实现了三相线路的解耦。
Fourth, for all practical determined respectively by the local government makes the whole line of low-income countries do not have a uniform low-income line, confusion caused by the phenomenon of low-income line, therefore proposed to establish a science into the low-income line. 第四,针对现实各个地方政府各自分别确定低收入线的使得整个国家没有一个统一的低收入线,造成低收入线混乱的现象,进因而提出确定一个科学低收入线。