查询词典 equiangular

This technique is presented to calculate the far field around the equiangular spiral antenna using the formula according to the former theoretical result.

通过给出该假设下射线场幅度和方向的分布，文中具体计算了平面等角螺旋天线在罩内的远区特性。

Experiment results show that equiangular spiral antenna basked EBG structure has a wider frequency bandwidth, higher gain, and larger front-to-back ratio than a traditional spiral antenna with ground plate; and also the thickness of antenna is reduced obviously.

实验结果表明，背衬EBG材料的等角螺蜷天线与传统的带反射板的等角螺蜷天线（辐射器离反射板的高度为λ／4）相比能够同时提高增益、展宽带宽、改善前后辐射比，并且显著减薄天线的厚度。

Two novel spherical helical antennas can be designed by projecting the planar equiangular spiral antenna onto the surfaces of hemisphere and partial sphere. Their radiation properties are analyzed by the moment method with curved basic and testing function, and the curves of the VSWR, gain, polarization and pattern vs.

将平面等角螺旋天线投影到半球面和部分球面上，可得到两种新型球面螺旋天线，采用基于曲线基函数的矩量法对其辐射特性进行了分析，给出了天线的驻波、增益、极化及方向图等随频率变化的曲线。

An equiangular hexagon has area 117 3. The lengths of its six sides are, in order

一个等角六边形的面积为 117 3，而它六条边的长度依次为12、x、12、x

There is a serious problem that the Scientific Conditions' aren't equiangular distributed. It's the key that innovation's efficiency is advanced.

科技创新是一个偶然事件，我国科技条件投入不足问题是存在的，但是更严重的问题是分配的不均衡性和资源的条块分割，这才是阻碍企业科技创新效率提高的结症。

A new algorithm for tracing equiangular curves is presented to improve the machining quality of free-form surfaces.

为了提高自由曲面加工质量，提出一种等斜率曲线跟踪算法。

Based on the research of TMS320C64xx program and codeoptimization, 3×3 median filter algorithm ameliorated, 5×5 median filter algorithm ameliorated algorithm and histogram equiangular algorithm is realized. The key code effecting process speed is optimized and the effect is good.

在研究TMS320C64xx的软件编程和代码优化的基础上，实现了改进的3×3中值滤波算法、改进的5×5超快速中值滤波算法和直方图均衡算法，并对影响处理速度的关键代码进行了优化，取得了很好的效果。

After analyzing the characteristic of the rigid plane motion and the shortcomings of classical digital image correlation algorithms, the phase-angle position of the rigid body in the 2D image was characterized by 1D sequence signals using the method of equiangular sampling feature extraction based on circle windows. Then the generalized correlation algorithm for estimation of time delay based on wavelet transform was used to acquire the angular displacement. Finally the ultrasonic radiation force acted on the micro-component was determined by the relation between force and motion.

在研究检测对象刚体平面运动特点和分析传统数字图像相关算法局限性的基础上，采用基于圆周窗口等分角采样的特征提取方法，将二维图像中刚体的相角位置信息表征为一维采样时序信号，并通过基于小波变换的广义相关算法来估计位移前后特征序列的时延，得到刚体的旋转角位移，从而利用力与运动量的相互关系确定出作用于微构件的超声辐射力。

First,the envelope rectangles set was obtained by equiangular rotation the initial envelope rectangle, and the periphery polygon was constructed by calculating the intersection points between the corresponding edges of the envelope rectangles set.

首先利用等角度旋转方法求得封闭曲线的包络矩形集，利用矩形集对应边的交点得到曲线的外包多边形。

Therefore this imaging system can realize two kinds of X-ray radiology: reverse geometry X-ray and X-Scan imaging, and several CT scanning methods, such as equiangular fan-beam CT, equispatial fan-beam CT, helical/spiral CT, cone-beam CT with circle orbit, cone-beam CT with circle-plus-line orbit.

这样就可以实现倒置结构的X射线成像方法、等角扇束的扫描方法，以及本文所提出的凹面源加点探测器的锥形束扫描方法，而且还避免了使用成组点探测器带来的性能不一致性。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。