phase number 中文意思是什麼

phase number 解釋
相數
  • phase : n 1 形勢,局面,狀態;階級。2 方面,側面。3 【天文學】(月等的)變相,盈虧;【物、天】相,周相,...
  • number : n 1 數;數字;〈pl 〉算術。2 (汽車等的)號碼;第…,第…卷,第…期〈通常略作 No (復數 Nos ),用於...
  1. Before using phase - only algorithm to achieve nulling, estimations of the number of interferential sources and the doa of interferential signals are needed. so, the spatial spectrum estimation basd on the maximum likelihood method ( capon method ) and music algorithm used for detecting the number of interferential sources and the doa of interferential signals are discussed in the second chapter

    在採用phase - only演算法進行波束置零之前,需要估計干擾源的方向和個數,因此本文還在第二章介紹了發射數字波束形成中用於測定干擾源個數和方向的空間譜估計法? capon演算法和music演算法的測向原理,並分析了它們的性能和優缺點。
  2. Firstly, second harmonic component ratio and dead angles of two phase inrush ' s dispersion in three - phase transformes are acted as input variable. secondly, the method applies improved algorithm based on the original algorithm of multi - layer forward back propagation network, that is to say, adding last variational effect of weight value and bias value to this time and making use of variable learning rate. at the same time, this method also adopts dynamic form in the number of hidden floor node

    首先,文中將三相變壓器兩相涌流差流的二次諧波含量比和間斷角作為網路的輸入變量;其次,利用對原有bp網路訓練演算法基礎上的改進型演算法(即在計算本次權值和閾值的變化時增加上一次權值和閾值變化的影響以及採用變學習率,與此同時隱含層神經元個數採用動態形式) ,通過樣本訓練使網路結構模型達到最優。
  3. A complex mixed - phase explicit microphysical parameterization scheme, which also be known as reisner 2 explicit scheme was developed for use in the ncar / penn state mesoscale model versions ( mm5 ). the single - moment schemes has additional variables for graupel and ice number concentration, in which the mixing ratio of cloud water, rain water, cloud ice, snow and graupel are predicted and number concentration specified

    Mm5中的reisner2方案是一種含霰的復雜混合相顯式雲物理方案,該方案包含了雲水、雨水、冰晶、雪和霰的混合比預報方程,同時對冰晶的數濃度作了預報。
  4. Udp - glucuronosyltransferases ( ugts ) are glycoproteins localized in the endoplasmic reticulum that catalyze the conjugation of a broad variety of endogenous and exogenous lipophilic aglycon substrates ( such as bilirubin, steroid hormone and drugs, insecticide, etc ) with glucuronic acid using udp - glucuronic acid ( udpga ) as the sugar donor. ugts are a gene superfamily of phase ii drug - metabolizing enzymes, they are responsible for the glucuronidation of a significant number of different functional groups ( e. g

    Ugts能催化各種各樣外源和內源的親脂性糖苷配基底物與葡醛酸的結合,該反應是機體清除外源性(如藥物和殺蟲劑)和內源性(如膽紅素和甾體激素)親脂性化合物的一個主要方式,也是藥物相代謝的重要方式。
  5. In order to verify these numerical results, we analytically obtained the end positions of the phase - locked steps those have the transfer number 1 / n and found a good agreement with the numerical results

    為了驗證這一數值結果的正確性,我們解析求解了穿越數為1 / n的鎖相臺階的參數位置,發現和數值結果符合得很好。
  6. The characteristic quantity ( like the " transfer number " defined in this thesis ) that describes the higher period orbits forms a sequence of phase - locked steps on the plane formed by it and the control parameter. all the phase - locked steps form a so - called prelude phase - locking staircase to type v intermittency

    描述這些過渡高周期軌道的特徵量(如本文定義的穿越數)在這個特徵量和控制參量構成的平面上形成一系列鎖相臺階,所有的臺階構成所謂的v型陣發前奏階梯。
  7. The number of thermodynamic variables, such as temperature and pressure, required to specify a state of equilibrium of a system, given by the phase rule

    變化,變異相律提供的,要求詳述某一系統的平衡狀態的熱力學變量數目,如溫度和壓力
  8. The effect of coordination number on phase transition point from the study of renormalization group calculation for hexagonal lattice

    從六角格子的實空間重整化群計算看配位數對相變點的影響
  9. Finally we focus our attention on studying the emission spectrum of two atoms driven by a single - mode field in an ideal cavity. we showed that the atomic emission spectrum is insensitive to the phase of field for the two atoms initially in the coherent superposition state tf / = v2 / 2 ( j +, - ) h ? + } ), when the two atoms is initially prepared in ( fs * } = cos ( 0 / 2 ] +, + ) + sm ( 0 / 2 ) ei ' p -, - ), the atomic emission spectrum is associated with not only the field photon - number distribution and the atomic populations, but also the phases of the field and the atomic dipole

    接著考察了好腔中由單模量子場驅動的雙原子發射譜,結果表明初態為的雙原子發射譜與驅動場的相位無關;而初態為的雙原子發射譜不僅與光場的光子數分佈以及原子的布居數有關,而且依賴于光場的相位以及原子偶極矩的相位,並且在適當的條件下,壓縮真空場可將雙原子俘獲在相干疊加態。
  10. Around 40 ; the neutral curve obtained by the growth rates of the temperature fluctuation has a ringlike curve separated from the main branch of nachtsheim s calculation by velocity fluctuation at the lower grashof number side ; and its phase velocity is close to the maximum mean velocity where the critical layer of the eigenmode locates. the thermal fluctuation decays rapidly as the nondimensional frequency above 0. 4, so that it means that the coupling effect between instability wave generated by buoyancy fluctuation and velocity waves by invicid instability seems weak enough for their critical layers in the range of the nondimensional frequency

    詳細研究了自然對流邊界層中最早失穩的浮力振型的功率譜波長波速與臨界層位置等基本特徵和它為主導其他振型尚未失穩時按線性理論得到的3種相互獨立振型的振幅分佈。系統地測量了它所對應的溫度和速度漲落的振幅增長規律和中性曲線,實驗結果表明,溫度漲落的中性曲線在低格拉斯霍夫grashof數
  11. It is found that " phase produces coplanar slip and reduces the number of movable slip systems because its particles are cut by moving dislocations in deforming process, for its large critical size of cut - bypass, accordingly its strengthening contribution is anisotropic. and strengthening contribution of t1 phase is also anisotropic because it distributes on the four { 111 } slip planes while its critical size is small

    研究表明,相由於顆粒的切過-繞過臨界尺寸較大,在變形過程中被運動位錯切過,由此產生共面滑移,減小可動滑移系數目,所以其強化具有各向異性; t _ 1相的臨界尺寸較小,但分佈於四個{ 111 }滑移面上,故其強化也具有各向異性。
  12. It implies that gene expression in plant cells might have changed under the stimulation of sound wave. thirdly, the cell cycle of protoplast of control group and stimulated group ( stimulating for 9 days ) was estimated by flow cytometer. the results showed that the number of cells of stimulated group decreased in g0 / g1 phase and increased in s phase

    圍繞中心法則分別測定了dna 、 rna和可溶蛋白質的含量,發現聲波刺激組的dna含量變化不明顯,而rna和可溶蛋白質的含量都有所升高,且以刺激9天的實驗組最為突出,表明在強聲波的作用下,有關應力響應的轉錄因子被啟動,轉錄水平提高,從而翻譯合成較多的蛋白質,促進植物的生長發育。
  13. The new phenomena, never previously reported in the references, of the pa66 phase morphology in the pp / pa66 in - situ composites varying with pa66 contents ( cd ) are revealed as follows : the diameter or width of pa66 fibers has dispersity, which becomes smaller first and then larger lately with cd. additionally, the number of pa66 unfibrillized paticles increases with cd

    發現和分析討論了pp仔a66原位復合材料中pa66相形態隨其含量ud )的變化中出現的未見文獻報導的新現象: pa66纖維直徑或寬度存在分散性,此分散性隨cd先變小后變大,另外pa66未成纖粒子數隨cd而趨增多。
  14. The entropy or number of states of system or subsystem are closely related to interaction of particles and energy level distribution, therefore, to study the temperature dependence of the specific heat may supply some important and useful microscopic information which may play an important role in understanding electronic structure, density of state, phonon spectrum etc. the specific heat measurements at low temperatures also play important roles in the finding of the third law of thermodynamics, the quantum theory of solid and bcs theory for superconducting etc. moreover, specific heat measurements help us to understand the different kinds of phase transitions ( such as : structural phase transition, magnetic phase transition, superconducting phase transition etc. ) and the scaling behavior near the critical point

    系統、子系統的熵或微觀狀態數與微觀粒子間的相互作用及能級分佈密切相關,因此研究比熱與溫度的依賴關系能夠提供被測量系統許多極其有用的微觀信息,對理解固體的電子結構、電子態密度、聲子譜等起著十分重要的作用。低溫比熱的測量和研究對熱力學第三定律、固體量子理論和超導bcs等理論的建立起到了積極的推動作用。比熱研究還有助於認識各類相變如結構相變,磁性相變,超導相變等及臨界點附近的標度規律。
  15. ( 2000 ). the neutron irradiation is assumed to derive primarily by the reaction 13c ( a, n ) i60 with a minor contribution from the marginal burning of 22ne through the channel 22ne ( a n ) 23mg in the final, high temprature phase of each flash. and we considered the influence of the various parameters such as the initial core mass, the envelope mass, the mass - loss rate, the overlap factor and the delution factor etc., and we vary their value with the pulse number

    本文採用分叉s -過程反應通道,以~ ( 13 ) c ( , n ) ~ ( 16 ) o 、 ~ ( 22 ) ne ( , n ) ~ ( 25 ) mg為雙脈沖中子源,用最新的中子俘獲截面,利用gallino和busso等人給出的agb星三殼層核合成模型,考慮到核心質量、挖掘程度、重疊因子、稀釋因子及星風質量損失率隨脈沖數的變化,詳細計算和研究了各個金屬豐度情況下的3m 。
  16. According to the principle of generation of prime number through boolean algebra logic operation and phase angle matrix analysis of the periodic function it comes out that any even number larger than 4 can be expressed as the sum of two prime numbers , i. e. “ 1 + 1 ” is tenable, and thereby finishes demonstration of the validity of goldbach ' s conjecture

    根據素數的形成機理,從布爾代數的邏輯運算和周期函數的相角矩陣分析,都得出了大於4的任何偶數都可表示成兩個素數之和即「 1 + 1 」成立,從而完成了哥德巴赫猜想成立的論證。
  17. Recent construction - sector projects of the group include the beijing grand opera house, new guangzhou huadu airport, hangzhou opera house, the people s great hall refurbishment, shanghai walton plaza and shanghai xintiandi in china, as well as the science park, redevelopment of mongkok " bird street ", enterprise square phase iii in kowloon bay, kowloon station phase ii and thomson road development in hong kong. in addition, a number of supply contracts are currently under negotiation, for example the disneyland park in hong kong

    集團近期之建築項目包括:在國內的有北京歌劇院、新廣州花都機場、杭州歌劇院、北京人民大會堂改造工程、上海華爾登廣場及上海新天地;在香港的則有科學園、旺角雀仔街重建、九龍灣企業廣場第三期、地鐵九龍站第二期及譚臣道發展項目。
  18. Analysis for magnetic field of srm is very complicated since the flux waveforms in different parts of the motor vary with motor phase, stator pole and rotor number, also with the winding connections, etc, which results in the srm losses, especially iron loss calculation difficult. the temperature analysis due to the losses has become a study hot spot

    Sr電機鐵心的磁通波形不僅與電機的相數有關,還與定、轉子齒極數、定子繞組連接方式等密切相關,從而使得sr電機磁場分析很復雜,復雜的磁通密度波形導致電機損耗特別是鐵損的計算非常困難。電機的損耗又會引起電機的溫升,因此高性能的sr電機的熱分析也成為目前的研究熱點。
  19. The normalized factorial moments ( nfm ) show good scaling properties in isotropical partition of phase space ; the nfm ' s projected into three directions versus the. partition. number appear, to be saturated curves with similar in scaling behavior ; and the three hurst exponents are very close to unity. the levy - stability holds for the q = 2 ~ 5 order moments in 3 - dimensional phase - space

    發現:三維歸一化階乘矩( nfm )的分佈呈現出很好的標度特性;階乘矩在各個方向上的一維投影呈現出彼此十分相似的飽和曲線,且特徵參量hurst指數都接近於1 ;高維相空間各階階乘矩的分佈滿足l vy穩定性的要求。
  20. This paper proposes a new method to obtain any wanted stepping angle with adjustable and even subdivision. with the method, the stepping angle is n ' t restricted with different phase number and tooth number any longer. so the product arrangement of stepping motors and drives can be simplified

    提出了通過任意均勻細分來實現任意步距角的新方法,從而打破步進電動機相數和齒數對步距角的限制,簡化步進電動機及驅動器的生產格局,充分發揮機電一體化的系統效果。
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