角形天線 的英文怎麼說
中文拼音 [jiǎoxíngtiānxiàn]
角形天線
英文
corner antenna-
Bloom s bodyguard distribute maundy money, commemoration medals, loaves and fishes, temperance badges, expensive henry clay cigars, free cowbones for soup, rubber preservatives, in sealed envelopes tied with gold thread, butter scotch, pineapple rock, billets doux in the form of cocked hats, readymade suits, porringers of toad in the hole, bottles of jeyes fluid, purchase stamps, 40 days indulgences, spurious coins, dairyfed pork sausages, theatre passes, season tickets available for all tram lines, coupons of the royal and privileged hungarian lottery, penny dinner counters, cheap reprints of the world s twelve worst books : froggy and fritz politic, care of the baby infantilic, so meals for 7 6 culinic, was jesus a sun myth
布盧姆的衛兵們散發濯足節的貧民撫恤金235紀念章麵包和魚戒酒會員徽章昂貴的亨利克萊雪茄煮湯用的免費牛骨裝在密封的信封里並捆著金線的橡膠預防用具菠蘿味硬糖果黃油糖塊折疊成三角帽形的情書成衣一碗碗裹有奶油麵糊的烤牛排一瓶瓶傑那斯溶液購貨券四十天大赦236 。偽幣奶場飼養的豬做成的香腸劇場免票電車季票匈牙利皇家特許彩票237一便士食堂的餐券十二卷世界最劣書的廉價版：法國佬與德國佬政治學怎樣育嬰238幼兒學七先令六便士的菜肴五十種烹飪學耶穌是太陽神話嗎？First, based on phased array antenna ' s mono - pulse goniometry and separate coordinate technology about phase control, the antenna beam pointing error formula, caused by phase quantization error, is derived from linear array and circular array to planar array and cylindrical array
首先以單脈沖相控陣天線測角原理為基本理論出發點，利用相位控制的坐標分離技術，基於線陣、圓形陣等簡單形式的相控陣天線，推導了平面陣、圓柱面陣等相控陣天線由相位量化誤差引起的波束指向誤差公式。Well, we ' ve got to finish triangulating the dishes,
呃，我們要把天線調節成三角形The characters of this antenna lie in three points : using yagi - uda antenna to obtain antenna gain through the radial direction ; making full use of the space of the base station along the z - axis direction to get array gain ; arranging the antenna array properly to achieve pattern diversity in azimuth plane
其特點集中體現在三個方面:在天線徑向通過八木天線的形式獲得增益;充分利用基站空間在z向組成陣列獲取陣列增益;利用開關八木天線方向圖可重構的特性，通過合理的布局，在方位面內實現角度分集。It divides the specific shapes of city space into streets, water systems, city skyline and corridors of sight lines. it also aims at the special landscape of hilly cities and analyzes their characteristics from macro and micro angles. at the same time, it explores some specific treatment principles and design methods, in hopes that it could provide useful references for the landscape constructions of china ' s hilly cities
本文主要是從城市景觀的角度，把在山地城市的景觀構成中占重要地位的線形景觀作為主要的研究對象，並根據城市空間的具體形態，將其分為街道、水系、城市天際線和視線走廊等幾個部分，針對山地城市特殊的地形條件，從宏觀、中觀、微觀等角度，分析它們各自的景觀特點，並結合大量實例探討了一些具體的處理原則和設計方法，以期對我國山地城市的景觀建設提供有益的參考。Permanent surveying markers as referred to in paragraph 1 of this article include wooden or steel signals and stone markers established at triangulation points, baseline points, traverse points, military control points, gravimetric points, astronomic points and leveling points of various orders and classes, as well as fixed markers used for topographic mapping, engineering surveying and deformation measurement, and installations at seabed geodetic points
第一款所稱永久性測量標志，是指各等級的三角點、基線點、導線點、軍用控制點、重力點、天文點、水準點的木質覘標、鋼質覘標和標石標志，以及用於地形測圖、工程測量和形變測量的固定標志和海底大地點設施等。This thesis in combination with the actual engineering demand, analyzes and designs a horizontally polarized triangular - grid planar phased array antenna, which composed of open - ended rectangular waveguide, the main steps of analyzing and designing are as follows : 1. at first, taking no account of mutual coupling among the array elements, classical electromagnetic theory is used to establish analyzing model for finite array, and initial value parameters of the array structure which basic satisfy the design index are got, these parameters provide reference for subsequent analyzing and design
本論文結合實際工程需要，分析和設計了一個採用水平極化方式的三角形柵格矩形波導相控陣天線，其主要步驟如下: 1 .首先，在不考慮陣列單元間互耦影響的情況下，採用經典電磁理論建立有限陣列分析模型，通過分析得到了基本滿足設計指標的陣列結構參數，為后續的分析、設計提供參考。Input impedance and s - parameters of corner - fed square microstrip antenna
角饋方形微帶天線的輸入阻抗與散射參數Antennas are feed by 50ohm coaxial cable and feed networks are unnecessary. and then, tag antennas are analyzed and designed, which include plate balanced dipole antenna, triangle balanced dipole antenna and inductively coupled feed meander - line antenna. theory analysis and simulations are given and optimal results are achieved
然後，對標簽天線進行了分析與設計，分別對片狀對稱振子天線、三角形對稱振子天線、感應耦合饋電折疊線天線等天線形式進行了研究，給出理論分析和模擬計算，得到滿足設計要求的各種形式的標簽天線。After the discussion of the numerical simulation method based on the fdtd method and the pml technique, the motions of the charges and the electrical field lines were first employed to describe the radiation procedures of the pulse electromagnetic waves. then the causes of how the charges are accelerated and how the motion status of the charges are maintained were further studied from the angle of interaction of charge and field. after these analyses, it was pointed out that the pulse radiation is due to the suddenly occurred time - varying electrical field ( displacement current ) in the open space. this view was further evidenced by two examples : one is the partly resistance loaded antenna, the other is the partly curved antenna. the radiation procedures of the pulse electromagnetic waves of many different situations were simulated throughout this paper with the contours and waveforms of electric field given. these figures are very helpful to the understanding of the radiation mechanism of the pulse electromagnetic waves
在討論了基於時域有限差分法和完全匹配層技術的數值模擬方法之後，首先從運動電荷和電力線的角度直觀地描述了脈沖電磁波的輻射過程，然後進一步從場與電荷相互作用的角度分析了天線上電荷是如何被加速以及如何維持其運動狀態的，指出了開放空間中突然出現的時變電場（位移電流）是脈沖電磁波輻射的根本原因.文中還對局部電阻加載的天線和局部彎曲的天線進行了研究，以進一步說明上述觀點.對多種情況下的脈沖輻射過程進行了數值模擬，並給出了電場的等高線和空間波形圖，這些圖形對理解脈沖電磁波的輻射機理非常有益Firstly a microstrip - fed microstrip patch antenna has been emulated and validated. on the base of this, the multi - band property of sierpinski equilateral triangle and squareness microstrip fractal patch antennas are carefully studied, and the effect of antenna ' s property by the permittivity, the size of patch, the order of the fractal and the decrease of fractal patches is depicted ; secondly on the base of analysis and comparison of performance of microstrip - fed semicircle and rectangle double - band microstrip patch antennas, warranty of dimension curtailment is offered ; finally expansion of band of those antennas above is discussed
在此基礎上，著重分析了微帶線耦合饋電的sierpinski等邊三角形微帶分形貼片天線以及sierpinski方形微帶分形貼片天線的多頻特性，給出了介質參數、貼片尺寸、分形的階數以及減少分形貼片數對微帶線耦合饋電的sierpinki等邊三角和sierpinski方形微帶分形貼片天線特性的影響；其次基於微帶線耦合饋電的半圓雙頻微帶貼片天線和矩形雙頻微帶貼片天線的性能分析和比較，提供了尺寸縮減的依據；最後對以上天線的頻帶擴展進行了探論。And in the most detailed analysis yet, astronomers say a long bar of stars cuts on an angle through the center of the milky way galaxy
根據至今為止最詳盡的分析資料，天文學家們認為存在著一個恆星棒，它與銀河系中心連線形成一個夾角In this paper, resonant characteristics of the meander - line dipole antenna depended on times of meanders, the height of meanders and the angle of meanders are analyzed
摘要本文研究了由矩形彎折線構成的偶極子天線的諧振特性，分析了彎折線偶極子天線的彎折次數、矩形彎折的高度以及彎折角度等參數對天線諧振特性的影響。Waveguide aperture phased array antenna is analyzed using the transparent source technique and the auxiliary fields fdtd. a method to calculate triangular lattice array is put forward
有源結構中以波導口徑相控陣天線為例，將透明源技術與輔助場fdtd結合起來，並提出了一種分析三角形柵格陣列的方法。The results of computer simulation a re proved. thirdly, the paper analyze the angle error caused by elevation axis not in horizontal plane, make a conclusion that 3 - axes perpendicular radar can not track in the whole airspace, propose the structure of slant 3 - axes radar
然後，從工程實際出發，著重分析了俯仰軸不嚴格水平對雷達測角系統造成的誤差，得到了正交三軸雷達並不能進行全空域跟蹤的結論，提出了傾斜三軸的雷達天線座結構形式。A method known as asymptotic waveform evaluation ( awe ) is firstly employed to analyze the array impedances versus the operating frequencies. the input impedances of the array in several different structure are calculated. by using the awe, the calculation time is much smaller than that by using mom
首次將漸進波形估計（ awe ）技術用於陣列天線的分析，計算了圓環陣列、圓環反射陣列、線形陣列和三角形陣列的輸入導納與頻率的關系曲線，與傳統的矩量法相比，大大地加快了速度。Natashas birthday face that had been festive and excited all day, changed at once ; her eyes wore a fixed look, then her broad neck quivered, and the corners of her lips drooped
娜塔莎整天價因為過命名日而喜形於色，這時分臉色突然變了，她的視線呆滯不動了，之後她的寬大的脖子顫抖了一下，嘴角松垂下來了。分享友人