equal phase 中文意思是什麼

equal phase 解釋
等相
  • equal : adj 1 相等的;平等的,均等的 (to; with); 同等的;公平的;一樣的。2 平靜的;平穩的。3 勢均力敵的...
  • 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,...
  1. The basis of dynamics and simulation includes the iterative flyout angle algorithm to the solutions to lambert problem and battin ' s universal conic section state extrapolate method. then spacecraft ' s orbit roots, maneuver impulse and maneuver time are discussed as the following four part : first of all, the chaser ' s one orbit roots is selected as a variable to simulate its influence to the large scale orbital maneuver. the research reveals fact that the orbit roots both of chaser and target should be close to each other to achieve better maneuver and rendezvous " ability, moreover, the best orbit maneuver and rendezvous occurs when both chaser and target ' s initial phase angle are equal

    為了研究了交會機動中追蹤器和目標器的軌道根數、機動時限和機動能耗等因素對交會機動的影響,模擬和分析分為以下四個部分:首先,研究了追蹤器軌道單個參數為變量情況下兩航天器大范圍交會機動問題,研究表明,追蹤器的變化參量與目標器相應的參量在接近的情況下可以獲得良好的交會機動特性,而對于兩航天器軌道共面的情況下,初始相位角相等時則獲得最佳的機動效果。
  2. Fpga and dvb standard are introduced firstly, dvb - c standard and composition of its system are analyzed completely, development of modulator structure and dvb - c digital modulator composition are presented, more over, analysis of respective modular are given. then, principle of dvb - c digital modulator system are presented, they are error control technique 、 mqam 、 nyquist rule and root raised cosine filter 、 window design method for fir filter 、 multi - rate signal processing ( integer interpolating, conversion of fractional sampling, equal conversion of net structure, polyphase structure for filter, poly - phase structure for interpolator, multi - stage implementation of samplying conversion ) 、 distrubited algorithm 、 cic filter 、 dds 、 cordic algorithm

    接著,專門利用一個章節闡述了dvb - c前端調制系統原理,他們了差錯控制技術、多進制調制( mqam ) 、 nyquist準則與平方根升餘弦濾波器、有限沖擊響應濾波器的窗函數設計法、多抽樣率信號處理包括(整數倍內插原理、分數倍抽樣率轉換、網路結構的等效結構、濾波器的多相表示、內插器的多相表示、抽樣率轉換的多級實現) 、分散式演算法、 cic濾波器、直接數字頻率合成( dds ) 、 cordic演算法。
  3. The ideal power system needs to be supplied with sine voltage whose frequency and amplitude are both stable. to three - phase ac power system, the currents and voltages must be equal of amplitude and the phase - shift between each other should be 120 of positive order

    理想的電力系統要求以頻率和幅值穩定的正弦電壓進行供電;對於三相交流電力系統,各相電壓和電流應處于幅值大小相等、相位互差120的正序對稱狀態。
  4. A method for estimating the intensity of underwater laser backscattering based on the concept of equal phase volume

    基於等相位體概念的水下激光背向散射強度的估算方法
  5. Three phase oil - immersed distribution transformers, 50 hz, from 50 to 2500 kva with highest voltage for equipment not exceeding 36 kv - supplementary requirements for transformers with highest voltage for equipment equal to 36 kv

    小於36kv設備的最高電壓值為50hz 50 - 2500kva三相油浸式配電變壓器. 36kv設備的最高電壓值變壓器補充要求
  6. Three - phase dry - type distribution transformers 50 hz, from 100 to 2500 kva with highest voltage for equipment not exceeding 36 kv - supplementary requirements for transformers with highest voltage for equipment equal to 36 kv

    小於36kv設備的最高電壓值為50hz 100 - 2500kva三相干式配電變壓器.第2部分:設備最高電壓為36kv變壓器的補充要求
  7. The amplitude of the fundamental voltage drops across the filtering inductances ln are negligible as compared to the amplitude of the mains phase voltages, the voltages across cn therefore are assumed to be impressed and equal to the mains phase voltages

    當基本電壓從濾波電感降低到ln時,振幅與主電源相線電壓相比可以忽略不計,因此我們可以認為通過cn處的電壓被輸送並且等於主電源相線電壓。
  8. Because central potentials of four y windings in 12 - phase generator are not equal each other and there is no common reference inside the generator, it is difficult to identify the on / off of rectifying elements. in this paper, by using a mathematical model with line voltage substitute for phase voltage, the problem that there is no common reference in the 12 - phase generator with rectifier is solved. based on results of the studies on small prototype, 920kw charging generator applied in a submarine is improved in design, and therefore power oscillation with high magnitude when two generators are operating in parallel

    由於十二相發電機中四個y繞組的中點電位不等,電機內部沒有公共參考點,從而在判斷整流元件導通時,不能象三相同步發電機整流系統那樣認為陽極電位最高或陰極電位最低的整流元件導通,本文採用了以線電壓代替相電壓建立十二相整流發電機的數學模型,從而解決了十二相發電機無公共參考點的問題。
  9. The theoretical analysis and simulation show that the ssnr and the sksnr are equal to or greater than the original signal - to - noise ratio ( snr ), and that employing third order cumulant slices can effectively extract the mot - radiated quadratic phase dynamic coupling signals from asymmetrical distribution noise

    理論分析與模擬表明:切片信噪比、歪度信噪比總是大於相關信噪比;用該演算法十分有效地實現了二次相位耦合信號與非對稱分佈色噪聲的分離。
  10. Based on the model of a three - phase hybrid stepping motor, the torque expression is deduced. the effect of subdivided driving on operating performance is analysed. it is illustrated that sine wave subdivided driving can make stepping angle and torque equal

    本文以三相混合式步進電動機數學模型為基礎,推導出其轉矩解析式,分析了細分驅動對于改善步進電動機運行性能的作用,論述了正弦波細分驅動可以實現等步距角、等力矩均勻細分驅動的原理。
  11. In the light of new type tower and corresponding insulation coordination problem of three - gorges power transmission project, the live line replacement of middle - phase v - string insulators including the electrical clearance of tower head, combined gap, equal potential approach and operation method of replacement was discussed in detail

    摘要針對三峽電力外送線路中出現的新型桿塔及相應的絕緣配置問題,從塔頭電氣間隙、等組合間隙、電位方式以及更換操作方法等方面對此類桿塔帶電更換中相v串絕緣子進行了探討。
  12. This article points out a misconception in physical chemistry " the value of gibbs function is equal when binary system of pure substance is in phase balance "

    摘要指出了「單元復相系平衡狀態時,兩相中的吉布斯函數值相等」說法的錯誤。
  13. For the profound comprehending of gibbs function and conditions of phase balance, the paper deduces one of the phase balance conditions is the chemical potential being equal in different phases

    通過對吉布斯函數定義的再認識和單元兩相系平衡條件的推導得出單元復相系相平衡的條件之一是具有強度性質的各相化學式相等。
  14. Simulating results reveal that hydrodynamics of catalysts in riser reactor is very complex due to the effect of injection and catalysts backmix dramatically near the nozzle, reaction products unevenly distributie along the riser height, there exists apparently temperature gap between gas - phase and solid - phase near the nozzle and the temperture of two phase is nearly equal at middle - top part

    模擬結果表明,由於原料油射流的影響,提升管反應器內催化劑顆粒的流動特徵非常復雜,在噴嘴附近的催化劑顆粒存在明顯的滑落返混;裂化產物濃度沿提升管存在非均勻分佈;氣粒兩相間溫差在噴嘴附近顯著,在中上部氣粒兩相溫度幾乎相等。
  15. It is found that, tinder certain conditions, the first or the second perpendicular phase component of the multi - mode functional superposition stale ligh field can present any generalized nonlinear equal - power higher - power sum - squeezing effect which changes periodically

    結果表明,在一定的條件下,該態的第一正交相位分量(即廣義磁場分量)和第二正交相位分量(即廣義電場分量)分別呈現出周期性變化的廣義非線性等冪次高次和壓縮效應。
  16. This change is a break when the outside conditions exceed a threshold value with gradually variety. the break is equal to the non - equilibrium phase transition in thermodynamics. ( 6 ) there are two kinds of stable channels

    河型轉化是在外界條件緩慢變化過程中,超過某一臨界值而發生的突變,這種突變相當于熱力學中的非平衡相變,是由某些參數的漸變引起的從量變到質變的一個過程。
  17. Obtained by emtp program and the egm, this paper studies on lightning protection performance on 500kv double circuit transmission line the distributed parameter model of tower is built when analyzing the back stroking lightning protection performance for double circuit line, it can truly reflect the spreading course of lightning current on the tower, furthermore, considering the randomness of working voltage ' s phase when lightning strokes the top tower and supposing the probability of lightning appearing arbitrary phase in a cycle of ac is equal, this paper brings forward the statistical method to calculate the rate of back stroking on double circuit line

    本文利用emtp程序、擊距法對500kv同桿雙回線路的耐雷性能進行了研究。在分析同桿雙回線路的反擊耐雷性能時,建立了桿塔的分佈參數計算模型,此模型可以真實地反映雷電流在桿塔上的傳播過程。並針對雷擊塔頂時,導線運行電壓相位角的隨機性,本文假定雷擊出現于交流一周期的任一角度區間內的概率相等,提出了利用統計法計算同桿雙回線路的反擊跳閘率。
  18. In this dissertation, we study the global topological classification and coefficient conditions of the plane homogeneous fifth polynomial differential system the main techniques used in this thesis includes the methods of the global structure and coefficient conditions of the plane homogeneous quadratic and cubic system mentioned in the paper [ 1 ] of professor ye yanqian, and the paper [ 2 ] of professor li xue min, also includes the idea to high - order critical point of professor zhang zhifen, lu yulin and han yuliang etc. due to the degree of polynomial in the right of equal - sign crease, when we discuss the global structure, the more special directions, the more difficulty in drawing phase portraits of this system

    本文主要討論一類平面齊五次多項式微分系統的全局拓撲結構及系數條件。借鑒了文獻[ 1 ]葉彥謙教授對平面齊二次系統的全局結構及系數條件和文獻[ 2 ]李學敏教授對平面齊三次系統的全局結構及系數條件的研究方法,同時綜合了張芷芬教授、陸毓麟教授、韓玉良教授等人對高次奇點的研究思想進行討論。這樣,由於等號右邊多項式次數的增加,討論系統的全局結構時,可能出現的特殊方向就會增加,在作全局相圖時,難度增大了。
  19. A set of ac power - supply circuits ( usually three ) carrying currents of equal frequency with uniformly - spaced phase differences

    一組頻率相同,相位彼此相差均勻的交流供電電路(一般是三相) 。
  20. Based on the formula which is used to compute the lateral resistance of single pile deduced by wang qitong, a formula is setup whose precondition is that the pile and the lateral soil directly around the pile deform in - phase. on the basis of that the contact stress of the foundation is equal, a formula that can be used to conform the stress - ratio of the composite ground is set up, on the same time, the principles of the deformation harmony of the soil and the piles in the composite ground are also discussed. combining with results of this test, a formula which can calculate the bearing capacity that considering the effect of group piles of the composite ground is also deduced

    視攪拌樁樁體為均質彈性介質,推導了復合地基中單樁有效樁長的理論計算公式;根據王啟銅柔性樁樁側摩阻力計算公式,以樁側土與樁體協調位移為前提推導了柔性樁樁側摩阻力的計算公式;以基底接觸應力均勻分佈,樁體、樁間土均質為前提,討論了樁,土協同工作原理,從而得出復合地基樁、土荷載變形特性,以及樁、土應力比計算公式;結合本次試驗,通過計算加載時樁體與土體的荷載分擔情況以及在極限狀態下樁土承載力發揮值,提出考慮群樁效應的攪拌樁復合地基承載力計算公式。
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