無場空間 的英文怎麼說
中文拼音 [wúchǎngkōngjiān]
無場空間
英文
field free space- 無 : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
- 場 : 場Ⅰ名詞1 (平坦的空地 多用來翻曬糧食 碾軋穀物) a level open space; threshing ground 2 [方言] (...
- 空 : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
- 間 : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
- 空間 : space; enclosure; room; blank; interspace
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In second floor ' s esthetical living space, large area ground impact window attracts sunlight freely ; air corridor ' s unique design gives intimate exchange between a couple ; every detailed design is a scene of love intrigue plotted by the designer with meticulous love
在二層唯美的生活空間內,大面積落地飄窗將陽光毫不吝嗇得牽引,空中走廊的獨特設計使夫妻間的密切交流無處不在,每一處細節的設計都是設計師精心醞釀的一場愛情陰謀。The characteristics of various solid - state power - combining techniques and the principles of the waveguide - based power combining structure are compared and analyzed in detail. the power combiner is based on a double antipodal finline - to - microstrip transition structure. the proposed 2 2 combining structure is optimized by using 3 - d fields simulation tools cst
主要內容為: 1 .研究和對比了各種固態功率合成技術的特點,詳細地分析了波導基空間功率合成器的工作原理,提出了一種基於雙對極鰭線-微帶過渡的2 2路毫米波功率合成器結構,藉助三維場模擬軟體cst對該無源網路進行了優化設計。When the field is slowly - varying, the scalar field potential acts like a cosmological constant. in addition to the quintessence models, many other theories for dark energy have been proposed, including models based on super - symmetric gauge theories, super - gravity, small extra dimensions, large extra dimensions, quantum field theory effects in curved space - time. all these models are essentially based on the existence of a mass less scalar field acting at a cosmic scale
除了真空場模型外,科學家亦提出其他解釋黑暗能量的理論,這些模型建基於不同的物理理論或假設,例如超對稱規范理論超重力增加一些小或大的空間維數量子力學在彎曲時空的影響等等,這些理論模型,返本溯源,其實背後都假設存在著一個特性類似於宇宙常數的無質量純量場。Firstly, in spherical coordinate system, the sovp formulation for the time - harmonic electromagnetic fields of the current dipole in conductive infinite - space is derived, using reciprocity theorem and transforming relations between special functions. then, selecting appropriate coordinate system, using superposition principle, the boundary - value problem of modified magnetic vector potential on the problem of a time - harmonic current dipole in spherical conductor is solved and analytical solution is obtained. finally, by means of the addition formulas of legendre polynomial and spherical harmonics function of degree n and order 1, the analytical solution in spherical coordinate system specially located is transformed into that in spherical coordinate system arbitrarily located
首先利用特殊函數間的轉化關系和互易定理推導得到了無限大導體空間中球坐標下時諧電流元電磁場的二階矢量位形式:然後利用疊加原理,選擇合適坐標系,求解了導體球中時諧電流元的修正磁矢量位邊值問題,得到了問題的解析解;最後依據不同坐標系下電磁場解的轉化原理,藉助勒讓德多項式和n次1階球諧函數的加法公式,將坐標系特殊安放時的電磁場解析解變換到坐標系一般安放時的解析解,給出了球內電場和球外磁場的並矢格林函數。An arbitrary shaped line current on a horizontal plane is divided into many small line segments and approximated by hertzian diploes, then both the near and far em - field of the line curennt is approximated by the summation of the complete near and far fields of hertz dipoles
水平面上任意形狀線電流分割為許多小段之電流,每一小段之電流近似為赫芝偶極,則在三度空間任意座標平面上無論遠近之電磁場即可以赫芝偶極之遠近完整電磁場加總合成近似之。( 2 ) the liman problem is normally adopted to check the liability of numerical method. the calculation error was within 9 % by comparison with the theoretic solutions of liman problem in the following case, the dimensionless calculation length was 2 with high pressure zone 0. 8, and the dimensionless state parameters were p1 = 2, p2 = 1, p1 = p2 = 1, u1 = u2 = 0. experiment results in literature [ 8 ] were used to check the adaptability of the numerical model developed here for unconfined gas cloud explosions and the calculation error was within 13 %
( 2 )數值方法的可靠性通常用黎曼問題的解析解檢驗,本文以無量綱計算區長度為2 ,高壓區長度為0 . 8 ,狀態參數為p _ 1 = 2 , p _ 2 = 1 , _ 1 = _ 2 = 1 , u _ 1 = u _ 2 = 0條件下的黎曼問題解析解對所編制的爆炸場計算程序進行了考核,結果表明該程序的計算誤差在9以內;為考核本文計算模型預測開敞空間氣雲爆炸的適用性,以文獻[ 8 ]的實驗數據進行了校核,計算誤差在13以內。Sheung wan civic centre programme partnership scheme 2006 07 is presented by leisure and cultural services department and theatre space from july 2006 to june 2007 with numerous stage performances and scenography workshops, in exploring the endless possibilities of existing spaces and creating a unique status of sheung wan civic centre as the " experimental performing arts centre " through the scheme s three main titles -
計劃背景康樂及文化事務署及劇場空間於2006年7月至2007年6月期間,在上環文娛中心舉辦多個演出及工作坊,探索文娛中心現有空間的無限可能性,並藉著不同的活動宏揚舞臺美學,使上環文娛中心成為實驗表演藝術中心。During ion source operating, alternating axial magnetic field and azimuthal electric field in discharge tube ionize hydrogen gas purified by hot palladium pipe, and form plasma, hi fifties year, research reports studied on rf ion source are numerous however most of them are concerned about application, and research reports relevant to discharge theory or experiment model are unfrequent
離子源工作時,放電空間交變的軸向磁場和渦漩電場激發放電管中經鈀管純化后通入的氫氣電離,形成等離子體。 50多年來,關于高頻離子源的研究報告很多,但是,這些研究主要都集中在應用研究方面,有關高頻無極環形放電離子源的理論與實驗模型研究不是很多。This performance intends to present the characteristics of magic literature that not only there is peculiar shape, but also use various puppets and the effect of theatrical technology, combining magic performance to present the magic scene in order to lead audiences entering a unimaginable space to experience the beginning of all chronicles of narnia
本次演出試圖呈現奇幻文學的特色,不僅故事人物有奇特的造型,此外,運用各式的偶以及劇場技術效果,再結合魔術表演,呈現魔幻場景,引領觀眾進入無限想像的空間,一同經歷所有納尼亞傳奇的開始… 。A convergence acceleration technique, boundary element method ( bem ), spectrum of two - dimension solutions ( s2ds ) method are used separately in solving dyadic green function of the three domain. next, waveguide narrow - wall slots array ' s is introduced in this paper
對外部空間,與縫隙腔體區域一樣認為場量與z無關,對所有場量做z方向的fourier變換,得到譜域上的一系列去耦合的二維方程。For a x - directed line current with lengh much smaller than a wave length, the e - field pattern on coordinate planes in 3 - d space in the region from much smaller than line length to one or two wave length, the synthesized pattern by summation of the field of many line segments of hertz dipoles is independent of the number of segments, i. e. same field as a single hertz dipole
以水平面上三角形甚小於波長線電流為例,分割為若干小段之赫芝偶極所加總合成在三度空間任意座標平面上距離從甚大於線長到一兩個波長區域之電場場型與分割小段數量無關,即等同於一單一赫芝偶極之場型。As increasing numbers of broadband users gather in crowded spaces such as airports, hotels, convention centers and workplaces, the most critical parameter of a wireless system will be its spatial capacity, a capability in which uwb technology excels
隨著愈來愈多的寬頻用戶聚集在擁擠空間,像是機場、飯店、會議中心與辦公室,無線系統最關鍵的一項參數將是空間容量,而超寬頻技術在這項能力上的表現獨占鰲頭。The precision of its calculating results has an direct effect on the design, construction and safe usage. in the typical calculation of the settlement of foundation, additional stress incurring by loading is calculated according to elastic theory which has the same characteristics in semi - indefinated space, the condesion of soil is decided by the condesion experiment of one - demension and the settlement is calculated by adding results of respective layer
地基沉降計算一直是困擾巖土工程技術人員的一個難題,其準確與否將直接影響建築物的設計、施工和安全使用。在經典的地基沉降計算方法中,荷載作用下地基中附加應力場是根據半無限空間各向同性彈性體理論計算的,土體壓縮性是根據一維壓縮試驗確定的,並採用分層總和法來計算地基的沉降量。The tm mode dispersion equation of the coaxial bwo in the infinite guiding - magnetic field is derived and solved numerically. the dispersion curve, operating frequency, and the growth rate are obtained
採用線性理論推導了無窮大引導磁場下的同軸tm模式色散關系式,並編程數值求解了一定條件下的色散曲線、時間增長率、空間增長率。The displacement field of dislocation on the half - space of two - phase saturated medium
兩相飽和介質半無限空間位錯位移場The solution of the interior problem has been obtained by the fem method. ensuring the continuity of the tangential electric field across the aperture plane, the electromagnetic e and h has been gained
分別採用有限元法和矩量法分析封閉腔體和半無限空間的電磁場,在孔徑面上進行邊界條件匹配,從而得出極化雙工柵中的電磁場特性。The conformal microstrip antenna with some unique character has been applied in many fields, especialy on speedy objects. in this paper, an efficient fdtd algorithm is introduced to analyse the microstrip antenna. firstly, the fdtd formula in descartes coordinate system and in cylindrical coordinate system are obtained from the time _ dependent maxwell equations using the yee algorithm in a calculating region where the dielectric parameters are independent of time and space. the choice of the space discretization units and the time discretization interval are discussed which are decided by the accuracy and stability respectively. the shape and setup of the excitation source are discussed too. the excitation source is chosen to be gaussian pulse in shape. secondly, the mur ' s first - order and second - order boundary condition are deduced in cylindrical coordinate system. the methods of transforming radiation fields from near zone to far zone in the frequency domain and in the time domain are presented when fdtd is applied to analyse the characteristics of far zone. finally, three kinds of microstrip antennas are analysed. they are a slot antenna that lies on a plane ground of a microstrip, a slot antenna that lies on a cylindrical ground of a microstrip and a microstrip line _ fed aperture coupled stacked rectangular patch antenna in cylindrical coordinate system
本文從麥克斯韋旋度方程出發,建立了笛卡兒坐標下無源空間中均勻無耗媒質的fdtd基本方程和圓柱坐標下無源空間中均勻無耗媒質的fdtd基本方程,詳細討論了fdtd法計算中時間步長和空間步長的選取原則以及激勵源的類型和設置;推導了mur一階和二階邊界條件在圓柱坐標下的差分格式;給出了在用fdtd法計算天線的遠場輻射特性時必需採用的頻域和時域近場遠場變換技術;最後用fdtd法計算了平面微帶縫隙天線、柱面共形微帶縫隙天線和柱面共形微帶層疊天線的輸入阻抗和遠區輻射場,並分析了天線的一些參數的變化對天線輸入阻抗的影響,得出了一些有用的結論。The patent has monopolizing and corner the market potential economic development advantage ; the new technological products occupy the market space, as everyone knows real estate trend rise unexpectedly, having driven relevant industries to develop in step, it can affirm its prospect and infinite business opportunity
專利具有獨占性,壟斷現有市場潛力經濟發展優勢,新技術產品占據市場空間,眾所周知房地產崛起趨勢,帶動了相關產業同步發展,可以肯定其前景,無限商機。A complete suit of closely analytical expressions of stress field is presented for the strike - slip shear fault with an arbitrary dip angle in a semi - infinite medium. checking and reviewing the analytical expressions of stress field by other researchers, closely mathematical reasoning for the expressions is done again, thus this suit of expressions has become more perfect and reliable
給出了半無限空間中任意傾角的走向滑動剪切斷層錯動產生的應力場的一套嚴密的解析表達式.對前人所做的該方面的工作進行了檢驗和回顧,重新對公式進行了嚴密的數學推導,給出了正確的結果,使得這一套公式更加完善和可靠A new analytical expression of heterogeneous spatial precipitation is given which are the lorenz curve and the coefficient of gini. we can express the degree of heterogeneous about the spatial distribution of precipitation by use of this method, and we can declare whether it is possible have the fond or not
文章引進了一種新的描述非均勻性的方法:洛侖茲( lorenz )曲線和基尼系數,利用它們可以更加準確的表示出降水量場空間分佈的非均勻程度,並能據此判定有無洪澇災害形成可能。分享友人