phase section 中文意思是什麼

phase section 解釋
相位剖面
  • 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,...
  • section : n 1 (外科、解剖的)切斷;切割;切開。2 【外科】切片,【金相】磨石。3 (果子的)瓣。4 【數學】截...
  1. Considering to the continuous rigid - frame bridge construction characteristic, putting forward the idea of reverse to optimize prestressed steel. according to different construction phases, the paper gets the formual of the cantalever phase, join two section of a bridge phase and the vertical prestressed steel, and works out corresponding program

    考慮大跨徑預應力混凝土連續(剛構)橋施工的特點,提出了基於倒裝方法的預應力靜定束、合龍束以及豎向束的優化設計理論,並編制了相應的計算程序。
  2. That means data and graph are divided completely. author noticed that these days, many researches about the design of midship section are focused on the scantling of the component in the preliminary design phase

    本人注意到現今國內外對船舯結構設計的研究多集中在初步設計上,即定出舯剖面的框架;而在局部設計中卻鮮有作為。
  3. The knowledge of these initial collision is crucial for any theoretical treat - ment of a possible parton - hadron phase transition, the detection of which being the ultimate aim of all the efforts of co1liding heavy ions at very high energies. the parton model allows to calculate inclusive cross sections as a convolution of any elementary cross section with parton distribution functions, assuming that factorization works. the disadvantage is that tlle first interaction is coilsidered quite differently from the subsequent ones in case of multiple scattering

    其它的弦模型在計算幾率時,忽略了入射能量在pomeron之間的分配,破壞了能量守恆,而且把pomeron作為全同粒子處理,即pomeron之間是不可區分的;然而在處理粒子產生時,這些模型雖然考慮了能量守恆,但是第一個pomeron的粒子產生與其它的pomeron很不一樣? ? pomeron在粒子產生時不是全同的。
  4. It makes use of resource of the chip, realizes the development of every module, achieves distilling of telegraphese, builds up new frame, calculates the position and provides external interface. in the section of calculating the position, the author combines the two measures of carrier phase position and code position. finally, in the platform of matlab, the author completes the function simulation of main modules

    概述了接收機的設計原理;詳細描述了基於ti公司的tms320c6713dsp晶元的系統程序設計中各模塊的實現,利用該晶元的資源,實現各模塊的調度,完成對導航電文的提取,重新組幀,定位解算以及對外介面;在解算部分,把載波相位定位與碼測距定位相結合,利用載波相位對偽距的平滑來提高定位精度;在matlab平臺下進行了各模塊的功能模擬測試,以模擬結果的圖表來分析說明了載波相位平滑偽距的兩種演算法能使定位精度有一定的提高。
  5. 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。
  6. It includes four criterions of locating fault point ? “ transient zero sequence current amplitude law ”, “ stable base wave zero sequence current phase law ”, “ stable seventh harmonic zero sequence current phase law ” and “ s injection law ”. pointing out how the law locate the fault point to minimal fault section by applying these criterions gradually. the law will not only make up the blemishes existing in current methods for single - phase fault location in small current grounding system, but also locate the fault point to minimal fault isolating unit on fault line

    該方法通過將所包含的四個定位判據- 「暫態零序電流幅值法」 、 「穩態基波零序電流方向法」 、 「穩態7次諧波零序電流方向法」和「 s信號注入法」 -進行有選擇地遞進使用,不僅有效彌補了目前已有小電流接地系統單相接地故障選線的缺陷,更將故障定位在故障線路最小故障區段。
  7. Firstly the paper summarized the methods of passing over of neutral section and its application status quo in the domestic and oversea. as the research object of the paper, the reason of over - voltage caused by the method of ground transfer by vacuum breaker is analyzed though simulation and experiment. and based on the analyze, a method of automatic passing over of neutral section using thyristor vale to controlling the phase of electric power is presents

    本文首先綜述了國內外自動過電分相的方式及應用研究現狀,並以地面開關轉換方式為本文的研究對象,通過模擬和實驗,分析了這種方式產生過電壓的機理,以此為基礎,提出了以晶閘管閥控制電網電源投入時刻的自動過分相方案。
  8. Based on field investigation of pavement conditions in the 2nd phase of guangbei section of national highway 108 ( beijing to kunming ), an e - r ( entity - relational ) model database was developed to help organize the numerous data measured in the real road

    通過國道108線廣元段廣北二期工程路面狀況的實地考察,建立了一個e ? r關系數據庫存儲路面狀況信息。
  9. The phase change of soil moisture and inflation of the frozen moisture c ause the reduction of hydraulic conductivity by reducing the area of flow section and the aperture of soil pore space, increasing the capillary resisting force to soil moisture, and decreasing the water potential gradient because of the increasing of movement distances of soil water

    導水率減小是凍結土壤入滲能力減小的根本原因,而土壤中液態水的相變是導水率減小的根源所在。土壤水分的相變及其膨脹通過減小土壤水分過水斷面面積和孔隙孔徑,增大阻力和由於增長運動距離而減小水勢梯度使凍結土壤的導水率降低。
  10. On the basis of the insertion structure mathematical model, the modeling method for single - phase section of boilers is improved and a new modeling method chain structure modeling method based on lumped - parameter is presented

    在嵌套結構參數模型的基礎上,對鍋爐單相區的數學模型加以改進,提出了鏈式結構的集總參數數學模型,並對其進行模擬。
  11. The optimum inclination angle is between 15 ~ 20, the length of thermosyphon will not change the phase - change heat transfer coefficient of the evaporation section and the condensation, which will enlarge heat transfer area of thermosyphon and increase the heat exchange capacity. the head - on speed of wind only stranger the heat transfer of the evaporation section and the condensation section. the experiment shows that the mathematic model closely fits to the thermosyphon, moreover, the one key to resolve the thermosyphon effect lies in decreasing the thermoresistance of evaporating section and condensation section. this study can provide directions and experience in the future research

    傾斜角越大,熱虹吸管總熱阻越大,最佳傾角在15 20之間;充液率過多或過少都會對傳熱性能產生不利影響,對于本實驗採用的1 . 75m 、 2m 、 2 . 5m 、 3m熱虹吸管,最佳充液率在20 % 35 %之間;管長對傳熱也有影響,管長不改變熱虹吸管蒸發段和冷凝段的換熱系數,只增加了熱虹吸管的換熱面積,增大換熱量;迎面風速的大小,起到強化熱虹吸管蒸發段和冷凝段換熱的目的。
  12. Based on the structural features of semi - cylinder composite dike in the yangtze estuary deepwater channel regulation phase project n a section, the key technique of such semi - cylinder transportation procedure and precasting quality is analyzed and summarized, which may serve as a reference for relevant construction

    摘要依據長江口深水航道治理二期工程n a標整治建築物中半圓體混合堤結構形式,對這種半圓體大型構件出運工藝與預制質量控制的技術關鍵進行分析總結,供同行參考。
  13. In this section, with time _ sharing method and the symmetry of sine wave, the look - up table needed to generate three - phase sine wave is reduced to one twelfth of the table before, and the optimization will have no any effect on precision, at the same time, the generation way of the monopolar spwm is improved

    在這一部分,還對產生二相正弦波的正弦表進行了優化,利用分時復用和正弦波的對稱性,把所需的正弦表減少為原來的1 / 12 ,並保持優化后的精度不變。同時改進了單極性spwm的產生方法。
  14. A analysis of these effect to the pattern is presented. in the mean time, the method of correcting the phase errors is given by shortening or lengthening the section of sinuous feed line between couplers from the normal value. 6. the reflection characteristic of a serpentine is analyzed where the coupler is replaced by the equivalent of two ports loss network

    提出了用有耗二埠網路來等效波導耦合器的方法,對由耦合器、饋電波導和波導彎頭級聯的慢波線系統的駐波特性進行了分析計算,針對慢波線在設計測射頻率上大反射問題,討論了多種解決辦法。
  15. Secondly, the mathematical radiation extinction model of nonspherical particle is developed based on t - matrix method, and a computer program is designed to calculate the extinction cross section, scattering cross section, absorption cross section and scattering phase function of fixed or randomly oriented axially symmetric particle

    然後根據t矩陣方法,採用回轉體微粒消光特性的計算模型編制出的相應程序,對固定取向和隨機取向的非球形回轉體微粒的消光截面、散射截面、吸收截面及散射相函數進行了計算。
  16. In addition, a new type of phase conjugator using tapered fiber is designed, which combined the higher reflectivity of small core - diameter fiber and higher damage threshold of large core - diameter fiber. the theoretical analysis has also been carried out in section iv. applying it in double - pass system, the maximum sbs reflectivity arrives at 85 % and relative stability arrives at 90 %, which is more than that of common optical fiber phase - conjugator

    為了獲得更高的能量反射率和穩定性,我們自行設計了一種新型的錐度光纖,並應用於ld泵浦的雙通放大dpl系統中;實驗表明:應用錐度光纖相位共軛器可以獲得高達85的能量反射率和90的相對穩定度。
  17. In order to prevent short current, there are insulators between electric phase. on the high - speed railways, these are many neutral sections, chauffeurs are very exhaustion in manual mode. so the mode of manual passing over of neutral section has not fit the development of railway

    在準高速、高速線路上,機車每小時要通過十幾個分相點,頻繁通過分相區時,手動操作不僅耗費司機精力,而且過多地分散了司機行車的注意力,對行車安全極為不利。
  18. It also builds the mathematic model of all section of vscf ac exited wind power generation system on a - b - b and d - q coordinate system by the coordinate commutation technology. the thesis gives the characteristics of torque, active power, reactive power and the steady - state analysis of it. it proves that the capability of wind generator is determined to slip, the amplitude and phase of rotor voltage, the phase dispatch between stator voltage and rotor voltage

    並分析了交流勵磁風力發電機作變速恆頻運行時的工作原理,闡述了與同步發電機、異步發電機的不同之處,分析了其能量平衡關系,在坐標變換技術的幫助下,詳細推導了交流勵磁發電機在a - b - c坐標系和d - q坐標系下的數學模型,分析並模擬了其有功和無功特性、轉矩和功率調節特性、穩態運行和機械特性,證明了發電機的性能由轉差率、轉子電壓的相位和幅值、定轉子電壓相位差所決定的。
  19. On the basis of piv measurement of the gas solid velocity field, the size and the numbers of particles are measured by newly developed image processing software. the results are identical with the variation of the factual size of particles. by the viable datum, the average size of particles in the cross section is calculated in the dilute phase area of circulating fluidized beds ( cfb ) riser

    在piv測速系統基礎上,通過二次開發的圖像識別軟體,實現不同工況下各截面顆粒粒徑分佈的測量,測量結果基本反映出實際顆粒粒徑變化,證明了該方法的可行性,進一步獲得了循環流化床稀相區顆粒粒徑分佈特性。
  20. Space arrangement of basement trench commonly shared by m amp; amp; e ducts and new supporting stand application in terminal section of shanghai pudong international airport phase project

    上海浦東國際機場二期航站區工程地下室共同溝機電系統管線空間布置及新型支架的應用
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