1)hill[英][h?l][美][h?l]凸起地形
1.Surface motion of a hill in layered half-space subjected to incident plane SH waves;弹性层状半空间中凸起地形对入射平面SH波的放大作用
2.Scattering of Plane P Waves by a Semi-cylindrical Hill: Analytical Solution;半圆弧凸起地形对平面P波的散射解析解
3.Surface displacement function of two isosceles-triangular hills during incidence of SH-wave双等腰三角形凸起地形在SH波入射时的地表位移函数
英文短句/例句
1.Scattering of Plane SH Waves by an Arbitrary Shape Hill;任意形状凸起地形对平面SH波的散射
2.The Interaction of Isosceles Triangular and Semi-circular Hill by Incident SH-wave;SH波入射时等腰三角形凸起与半圆形凸起地形的相互作用
3.Scattering of SH-Wave by Semi Cylindrical Hill Above Subsurface Cavity;浅埋圆孔附近的半圆形凸起地形对SH波的散射
4.On solution of wave function of semi-cylindrical protruding landscape under SH-waveSH波作用下半圆形凸起地形内波函数的求解
5.Ground motion of isosceles triangular and semi-circular hills with the SH incident waveSH波入射时等腰三角形与半圆形凸起地形的地震动
6.Scattering of Plane P Waves by a Semi-cylindrical Hill: Analytical Solution;半圆弧凸起地形对平面P波的散射解析解
7.Design and Accomplish of SR-DF System in the Novel Passive Locating System;瞬态SH波对椭圆形孔洞与半圆形凸起地形的作用
8.Digital Simulation of Transient SH-Scattering by the Triangular Hill with Circular Holes;含圆形孔洞的三角形凸起地形对瞬态SH波散射的数值仿真
9.Surface displacement function of two isosceles-triangular hills during incidence of SH-wave双等腰三角形凸起地形在SH波入射时的地表位移函数
10.Out-of-plane Seismic Response of a Hill in Layered Half-space弹性层状场地上凸起地形的出平面地震响应分析
11.Scattering of SH-Wave by Semi-Cylindrical Hill with Hole above Subsurface Cavity;浅埋圆孔附近的含孔半圆形凸起地形对SH波的散射
12.On the Scattering of SH-Wave by Single Shallow-embedded Circular Cavity Near an Isosceles Triangular Hill;等腰三角形凸起地形附近浅埋单个圆孔对SH波的散射
13.The Interaction of Two-isosceles Triangular Hills or Structures to Incident SH Waves;SH波入射时两个等腰三角形凸起地形的相互作用
14.The Ground Motion of Isosceles Trapezium Hill under SH Wave;SH波入射时等腰梯形凸起结构的地震动
15.Paleo-tectonic Evolution and Deformation Features of the Lower Uplift in the Central Tarim Basin塔里木盆地塔中低凸起古构造演化与变形特征
16.a convex shape that narrows toward a point.向一个端点尖起的凸形。
17.The ground heaved from the earthquake.由于地震,地面凸起来了。
18.Hartz? AT PLAY? TUMBLE ALONG? Dog Toy is a durable rubber toy with multiple round tipsprotruding along its surface.耐久橡胶质地的滚动玩具球,表面环绕多个圆形凸起设计。
相关短句/例句
Cylindrical hill of circular-arc cross section圆弧形凸起地形
3)semi-cylindrical protruding landscape半圆形凸起地形
1.On solution of wave function of semi-cylindrical protruding landscape under SH-waveSH波作用下半圆形凸起地形内波函数的求解
4)cylindrical hill of arbitrary shape任意形状凸起地形
5)arc-shaped cylindrical hill弧形凸起
1.Anti-plane SH-deformation by an arc-shaped cylindrical hill above a subsurface cavity in half-space;浅埋圆形孔洞附近的弧形凸起对SH波的散射
6)cylinder jut柱形凸起
1.This paper intends to analyze influence of cylinder conductor for uniform electric field,and explains that the reason of easy breakdown of condenser with semicircle cylinder jut is that the electric field strength of the bulgiest position is two times as much as that of position far from the cylinder jut.分析了柱形导体对均强电场的影响并以此为依据说明了有柱形凸起的高压电容器易击穿的原因是最凸部场强为远离凸部场强的 2倍。
延伸阅读
地形跟随和地形回避雷达 飞行器上探测地形变化和回避地物的雷达。它是自动地形跟随系统的组成部分。地形跟随雷达把探测到的飞行前方的起伏地形信息(距离、方位、高度)提供给自动飞行控制系统或驾驶员,以便操纵飞机与地面保持一定的垂直距离飞行。地形回避雷达不断探测出飞行前方高于规定高度的障碍物,驾驶员根据雷达的指示作横向的机动飞行。现代军用飞机为了低空安全飞行,机上只装地形跟随雷达就能满足要求,而地形回避雷达则是一种辅助手段。有的机载雷达兼有地形跟随和地形回避功能。 地形跟随和地形回避雷达的工作原理与普通的脉冲雷达(见脉冲多普勒雷达)大致相同,区别只是功能不同,组成有些差异。测量精度和分辨率比一般雷达高。这类雷达多采用单脉冲技术,有的采用脉冲多普勒体制或相控阵技术。用地形跟随雷达飞行时,天线波束以一定的俯角照射飞机前方的地面或在一定的俯角内扫描,随时将测出的距离与规定的参考距离作比较,产生一个要求的俯仰变化率信号。同时由无线电高度表测出飞机对地面的相对高度,并与规定的安全相对高度相比较,产生另一个要求的俯仰变化率信号。从这两个俯仰变化率中选取一个对飞行较安全的变化率,再与陀螺测定的飞机实际俯仰变化率作比较,其差值信号就是飞机爬高飞行或下降飞行的修正值 (图1)。 地形回避雷达比地形跟随雷达简单。驾驶员可以选择与飞机有一定高度间隔的安全飞行平面,雷达天线保持一固定的俯仰角,左右扫描,测出高于安全飞行平面地物的高度,驾驶员操纵飞机作横向机动,绕过地形障碍。雷达提供的地物回避指令信号也可输给自动驾驶仪,使飞机自动避开障碍物 (图2)。 为了确保低空飞行的安全,这两种雷达都备有自检报警系统并采用余度技术,一部雷达出现故障时,立即自动转换另一部接替。
