相位平衡 的英文怎麼說

中文拼音 [xiāngwèipínghéng]
相位平衡 英文
phase balance
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
  • : Ⅰ名詞1 (秤桿) the graduated arm of a steelyard2 (稱重量的器具) weighing apparatus3 (姓氏) a...
  • 相位 : phase position; phase
  1. Monitor apparatus can measure valid value of three phase voltage and current, power factor, three phase disequilibrium, instant flecker of short time and harmonic without twenty, degree and harmonic distortion total. the paper are laid on the following. ( 1 ) master plan and function of circuit, ( 2 ) hardware design including circuit and principle of a / d conversion, phase lock, liquid crystal display and keystroke and so on, ( 3 ) design of system software including digital filtering, fft, a / d conversion and monitor interface of pc, ( 4 ) system test

    監測儀能夠完成包括三電壓、三電流的有效值、功率因數、三、電壓短期閃變、以及20次內的諧波、諧波、諧波失真總量等的測量。論文重點介紹了以下幾部分: ( 1 )電路的總體設計和功能; ( 2 )硬體設計,包括a d轉換、鎖環、液晶顯示和按鍵輸入等原理和電路。 ( 3 )系統軟體設計,包括a d轉換、 fft 、數字濾波等程序的原理和演算法以及上機監控界面的設計; ( 4 )系統測試。
  2. By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent

    最後,本文還對絮凝動力學和絮體結構進行了研究,在前人研究的基礎上,針對高分子絮凝黃河泥沙,對絮凝過程作了一些符合試驗條件的假設,建立了顆粒碰撞頻率表達式,應用了顆粒數量方程,從而建立了絮凝過程的動力學生長模型,模型計算結果與試驗數據對比表明,二者趨勢一致,在沒有使用經驗參數的情況下基本上能夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程;對絮體結構的研究中,應用掃描電子顯微鏡和透射電子顯微鏡對絮體進行了觀察,將絮體分為絮粒、絮團和絮網三個不同的生長階段,通過假設顆粒結合置符西安建築科技大學博士學論文合正四面體,建立了絮體結構模型,計算得到的模型絮體分形維數基本與試驗中的實際絮體符,在一定程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。
  3. The results show that the genetic diversity of filial generations is higher than self - bred progeny ’ s , the hybrid vigor has manifested at metabolization level 。 the proportion of polymorphic loci ( p. 99 ) in f1 generations was 30. 77 - 36. 36 % , the mean observed heterozygosity ( ho ) of jmcf ( japanese male chinese female ) was the highest with 0. 1727, the rest populations were : jfcm ( japanese female chinese male ) 0. 1536 、 cp 0. 1273 and jp 0. 1055 , the mean effective number of allels per locus in f1 generations : cp ’ s was the highest with 1. 7318 , jp ’ s was the lowest with 1. 6718 , the filial generations ’ values were in the midle of the cp ’ s and jp ’ s and between them there was no brightly difference, with 1. 6955 ( jfp ) and 1. 6927 ( jmp )

    各組的均雜合度預期值也表現出該趨勢,即:日自交組最低,為0 . 1786 ,日雄中雌雜交組的均雜合度最高,為0 . 1964 ,日雌中雄雜交組和中自交組分別是0 . 1891和0 . 1865 。 hardy - weinberg下遺傳偏離指數也是雜交組的小於自交組的,均每個點的等基因有效數目中自交組最高為1 . 7318 ,日自交組最低為1 . 6718 ,兩雜交組群體的這一指數差不多,分別是1 . 6955和1 . 6927 ,於兩親本的中間水
  4. With double oil cylinders, four - column guide and automatically balancing link rod structure to ensure the completely same cutting depth of each cutting position

    採用雙油缸,精密四柱連桿機構,保證每一個裁斷置裁斷深度完全同。
  5. With souble oil cylinders, four - column guide and automatically balancing link rod struture to ensure the completely same cutting depth of each cutting position

    採用雙油缸、四柱導向,自動連桿機構,保證每一個裁斷置的裁斷深度完全同。
  6. Using the thermodynamic conditions describing the coexistence of two phases and the stability conditions of equilibrium state, we have calculated the normalized temperature and the normalized pressure of the triple point ( t1, p1 ), the melting curve, vapouring curve and the sublimation curve. the whole phase diagram of the 2d monatomic l - j system is obtained

    和杜宜瑾等人的方法類似,我們先給出了系統在變點時的一些參數的數值,在此基礎上,考慮占據率q的因素,利用的熱力學條件及態的穩定性條件,得到了二維單元l - j系統的熔化曲線、汽化曲線、升華曲線以及三點的置,從而給出了該系統的完整的三圖。
  7. Phase angle of unbalance

  8. Balanced phase meter

  9. Based upon virtual displacement method and the updated - lagrangian approach, stiffness matrices for two - dimensional elastic - plastic beam model in large displacement were proposed, in the derivation of which transverse stress was included because it was believed that part of the 2nd order effects of various stresses, which are in equilibrium with each other and with the external loads, will counteract each other and neglecting either part would possibly lead to incorrect results

    利用虛移原理和更新的拉格朗日方法,導出了大移彈塑性梁單元剛度矩陣的顯式表達式,在剛度矩陣推導中引入了截面內非線性剪應力和橫向應力的影響,剛度矩陣通過了剛體檢驗。之所以要引入橫向應力的影響,是因為本文認為,保持所需的所有應力,它們各自的二階效應會互抵消,因此忽略其中的任何一項都可能導致不正確的結果。
  10. The board appreciated the effort of the c & sd in the development of balance of payments ( bop ) and related statistics, which would help underpin hong kong s position as an international trading and financial centre

    國際收支關統計委員會對于政府統計處致力發展國際收支關統計表示贊賞。這方面的發展有助鞏固香港的國際貿易及金融中心地
  11. ( 2 ) from the equilibrium conditions of the isolated segment from a beam - column sub - assemblage, it is clarified for the first time that the bond stress along the beam rebars passing through the joint transfers into the column end to balance shear at this column end at the same ratio as that of the compression force in the compressed concrete at beam ends

    通過對樑柱組合體柱脫離體的條件,首次明確了貫穿節點梁筋粘結應力和梁端受壓混凝土的壓力以同的比例傳入柱端以柱端剪力,從而對節點區的傳力機理重慶大學博士學論文結出了完整的和具有說服力的解釋。
  12. Combining with the research task researching on the deformation and stability of deep excavated cuts and high filled embankment of the traffic department in fujian province, based on the residual soil slope project on the project site at k15 + 183 of yong - zhang highway ( yong ' an section ), adopting non - linear theory, modern monitoring technology and numerical simulation technology, the deformation and stability of cutting cliff debris and residual soil slopes have been studied systemically and synthetically in the thesis. at the same time theory analysis, the analysis and estimate of field monitoring are taken into account in this course. main research work and working achievement are summed up as follows : ( 1 ) with the acquaintance of the trends and development about the deformation and stability of slopes at home and abroad, slopes are classified and summarized systemically

    並通過k15 + 183工點路塹土質邊坡的各類移變形的監測成果驗證了該程序的正確性及適用性; ( 5 )通過應用大型有限元軟體ansys模擬分析,不僅分析了其隨著開挖時間步的應力應變關系,並模擬了與實際測斜管匹配的測斜路徑,通過對各開挖時間步的模擬計算分析,得到了與實測數據較符合的結果; ( 6 )綜合監測分析成果和極限理論計算分析成果,對k15 + 183工點路塹邊坡的原設計坡率和幾何形態進行了優化計算分析,取得了較為滿意的結果。
  13. A transfer model is established, which can be used to study the interaction between the land surface physical processes of inhomogeneous region and the structure of atmosphere boundary - layer over urban and rural terrains. the model has simulated surface heat flux, surface temperature, temperature profiles, height of mixture layer and so on. and the differences between urban area, suburban area and rural area have been compared. this model mainly depends on the parameters below : surface albedo, surface roughness coefficient, moisture available coefficient of soil, thermal capacity and thermal diffusion coefficient of errain, cloudage. the result shows that this model can simulate the structure and eigenvalues of atmosphere boundary layer and their changes in a day. parameters used in this model aim at beijing city, and the time is at the beginning of september. to other cities, or other time, the parameters should be adjusted accordingly. in addition, being adjusted, the model can also be used for other homogeneous and inhomogeneous terrains

    模式主要依賴于以下參數和物理量:地面反照率下墊面粗糙度土壤的可含水量下墊面的熱容量和熱擴散系數雲量等參數。結果表明,本模式能合理地模擬不同地表熱量地表氣溫混合層高度湍流交換系數湍流動能溫廓線等,以及它們的日變化。該模式所取參數主要針對北京市,時間為九月初,對于其他城市,參數應作應的調整。
  14. The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail

    首先,在闡述i / q正交調制基本原理的基礎上,通過對誤差矢量和鄰近通道功率泄漏的詳細分析,定性、定量地討論了各種非理想電路因素(如、幅度不、直流偏差等)對調制器性能的影響;其次,介紹了鎖環的工作原理和基本組成部分,包括鎖環的設計和環路濾波器的設計,特別詳述了電荷泵鎖頻率源;第三,介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後,對整個直接射頻調制系統進行測試,結果基本上達到了課題要求。
  15. The expresson of phase balance among the degenerate amplifier of self - excitation and oscillator

    相位平衡條件在負反饋放大器的自激與振蕩器中的表述
  16. The amplitude and phase balance of the unit mixer is controlled strictly through designing. wideband image rejection is realized in the condition of the fixed if

    通過設計控制單元混頻器幅度和相位平衡,在固定低中頻下,實現了寬帶鏡頻抑制。
  17. Aiming at the feature of cm interference in power converters, a new approach ? intrinsic dynamic nodes potential balance is proposed. by building node pair with balance potential and making use of the intrinsic stray capacitor of power semiconductor devices, the cm current can be suppressed effectively

    在對共模干擾建模的基礎上,提出了內在動態節點電的思想,其思路是通過在電路內部構造動態電節點對,並利用電路中功率器件固有的對地分佈電容使得電路中的共模干擾電流互抵消,從而抑制功率變換器的共模emi 。
  18. ( 4 ) polarimetric radar has four receiver channels, which must be balanced strictly in both phases and amplitudes. the paper proves that if receiver

    ( 4 )極化sar雷達具侖丫啊極化接收機通道,四極化接收信迫要求嚴格的和增益
  19. During the research, finding some important as follow : if wanting to get an ideal linearity of duamoop feedforward system, needing an accurate balance of amplitude and phase, so the attenuation, the delay and the phase in the circuit must be designed accurately

    本項研究還發現,雙環前饋系統要獲得理想的線性化效果,還需要精確的幅度和相位平衡,這在電路的設計中表現為要對迴路中的衰減和延遲以及移環節進行準確的設計。
  20. This paper put forward the realization method of a kind of multi - function general use inverter system which added other functions based on the independent sine wave inverter, it not only can be used as independent inverter power supply but can be used as an in - support mode ups which realize synchronous with the phase of power grid voltage and realize to switch with power grid mutually, it also can realize three phase ac output by the combination of three synchronous inverters, experiment proved it in this way has a stronger ability of resisting three phase unbalance load

    本文提出了一種基於獨立正弦波逆變器的功能之上復合其他功能而成的多功能通用逆變電源系統的實現方法,此系統不僅可以作為獨立逆變電源使用,還可以與電網電壓的同步,作為后備式正弦波ups使用,在逆變電源和電網的互切換時能做到對負載無影響,同時還可以由三臺逆變器進行組合自同步實現三對稱交流輸出,實驗證明這種方式具有較強的抗三負載的能力。
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