逆相序 的英文怎麼說

中文拼音 [xiāng]
逆相序 英文
negative phase sequence
  • : Ⅰ形容詞1 (方向相反) contrary; counter 2 [數學] inverse; converse Ⅱ動詞1 (抵觸; 不順從) go aga...
  • : 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...
  1. ( 2 ) it explains the basic concept of time series, some kinds of the common time series models and the development characteristics of time series in detail. it analyses how to judge the model from the self - related function and the deviation related function. determining a better standard to set up models from the comparison of some kinds of fixed step time series standards, then predicts utilizing the counter function

    ( 2 )詳細闡明了時間列的基本思想、幾種常見的時間列模型以及時間列的動態特徵,分析了如何利用自關函數和偏關函數來對模型進行判定,通過對時間列的幾種定階準則的比較,確定一種好的定階準則來建立模型,從而可以利用函數法進行預報。
  2. A concession contract can be regarded as a payoff contract under the framework of principal - agent theory. it needs to meet the participation constraint and incentive compatibility constraint of concessionaire. the payoff designing can be analyzed by the backward - induction method

    特許權合約可以看作一個委託代理框架下的報酬合約,需要滿足特許權人的參與約束和激勵容約束條件,報酬設計可以使用遞推的方法分析。
  3. In this article, physical equations and relative three - dimensional finite - difference formulae in cylindrical and spherical geometries were derived and two - and three - dimensional code in cylindrical and spherical geometries for direct - drive by laser was made, based on the lared - s code in planar geometry. it consisted of the processes such as the inverse bremsstrahlung absorption, electic heat conduction and fluid dynamics

    本論文在lared - s程平面版本基礎上,推導了三維柱和球幾何中激光驅動的物理方程和應的差分方程,編制了二維和三維柱和球幾何中激光驅動流體不穩定性的lared - s程版本,主要物理過程包括:激光軔致吸收、電子熱傳導和流體運動。
  4. This sequence emergences fourteen times from 1000 ests library indicts that it is a middle affluently gene in cdna library. the cdna of 634 basepairs contains an open reading frame of 339 nucleotides encoding a novel nonspecific lipid transfer protein. the first 23 amino acids constitute the putative signal peptide, characteristic for targeting to the secretory pathway

    測得th - nsltp列全長為634bp ,含有一個非特異性脂轉移蛋白與植物耐性的關性研究編碼112個氨基酸的閱讀框架, n端的23個氨基酸組成一段信號肽列,表明它可能和分泌有關。
  5. We can find a polynomial model of a time series in case its associated matrix is not diagonal and not of full rank by using the transformations of the exponential and the logarithm

    對于不能對角和不滿秩的時間列矩陣,運用指數對數的可變換及關的列變換化為滿秩可對角的時間列矩陣,從而找到代數多項式模型。
  6. In the receive site, we operate non - chaos synchronization in reverse and resume binary message sequence by the correlated rule of the sender

    接收端根據發送端的關規則,進行非混沌同步的運算,恢復出二進制信息列。
  7. The study has completed the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use it is a variable frequency adjustable speed system with a open - loop control of rotational speed, which consists of voltage - controlled oscillator circulating assign device inverter circuit and two - phase induction motor a accurate mathematical model is set based on the whole system, and simulator program of dynamic and steady condition is established, which is used to calculate the dynamic and steady performance by kron and symmetrical coordinate converter by simulator calculation and experimental research with specific parameter of the system, a comparison is made between predicted and experimental characteristics, experimental measurements are shown to compare closely with corresponding theoretical result it is compared with some variable frequency adjus table speed system comprising inverter and single - phase induction motor from the system efficiency torque pulsation and the effect of two - phase inverter capacitance based on the conclusion, harmonic cancellation pulse width modulation control of a two - phase inverter - fed induction - motor drive system is researched, which cancelled the low harmonic and improve the system performance

    通過對電機的kron變換和對稱分量變換,建立了系統較精確的數學模型,編制了系統動態及穩態運行的模擬計算程分別計算系統的動態和穩態性能。通過對系統的具體參數進行了模擬運算和實驗研究,實驗和模擬結果進行比較,說明實驗和理論較為一致,並從系統效率、轉矩脈動及兩變器電容的影響等方面與各種變器和單異步電動機組成的變頻調速系統加以比較。在此基礎上,對兩變器供電-異步電動機系統使用諧波抑制pwm控制進行了研究,由於減少了低次諧波,改善了系統性能。
  8. Based on the usage and maintenance - support process, this thesis acquires knowledge with the esd and cesd ( converse event sequence diagram ) method. first, this thesis gives the concept of cesd

    為此,在事件列圖(正向esd )框架基礎上,提出向事件列圖(向esd )的模擬方法,以與正向esd結合,用以滿足決策知識獲取的要求。
  9. This paper describes mainly system functions, measuring methods, circuit design, software program and errors analysis of a new type of measuring instrument. this instrument can measure and monitor electric parameters in single - phase circuits, three - phase ( three - wire or four - wire ) circuits. this system can be applied to electric devices and power plants, transformer substations with harmonic pollution. it can measure current, voltage, power, energy, frequence, power factor etc. it also can detect load quality, phase sequence, alarm, display and print results, as well as detect and dispose negative power

    該儀器適用於含有諧波污染情況下的機電設備現場、發電廠、供電局、企業變電所現場,可用來測量電流、電壓、有功功率、無功功率、視在功率、有功電能、無功電能、視在電能以及頻率和功率因數等電參數,並具有負載性質(感性、容性)判別,正、逆相序判別指示功能;超限報警功能;列印記錄功能和負功檢測及處理功能。
  10. Style in which developers have to assume everything, including the serialization and de - serialization of the xml - based soap messages

    方式反,在那種方式下,程員不得不處理所有的事務,包括基於xml的soap消息的列化和列化。
  11. In the synchronous " model, based on the idea of polygonal flux linkage locus, by means of constructing the switch state period table of three phrase voltage inverter is required. in the brushless model, the igbt ( isolated gate bipolar transistor ) switch state period table is gained by gal ( generic array logic ) which analyzes the signal of position feed - back

    在同步方式下,基於多邊形磁鏈軌跡法的思想,用作圖法求得三電壓型變器的pwm波形列;在無刷直流方式下,用gal對位置反饋信號進行邏輯綜合,得到開關管的導通規律。
  12. This can fully consider the effect of the structure of transmission line and the selection of lighting parameter etc. by calculating and analyzing various of factor that affect the lightning tripping probability of 500kv double circuit transmission line, we can draw the conclusions : the result by intersecting method is more accord with the practicality circumstance than by existing standard methods, using unbalance high insulation and reverse sequence of wire can reduce the contemporary outage rate of double circuit line, reducing the footing resistance is one of the most efficiency method to reduce the back stroking rate of double circuit transmission line, the double back stroking rate and the single back stroking rate will fall by three ground wire, when the footing resistance is 10 ohm, the back stroking rate by three ground wire is 83 percent of by two ground wire

    在分析輸電線路繞擊耐雷性能時,對線路的雷電屏蔽問題進行了分析,提出對擊距法進行改進,充分考慮了風速的影響因素,編寫了具有工程實用價值的計算線路繞擊耐雷水平的程,此方法可以充分考慮線路結構和雷電參數等對繞擊率的影響。通過對影響500kv同桿雙回線路雷擊跳閘率的各種因素進行了計算和分析,得到以下結論:採用交法的計算結果比定義法更符合實際運行情況。採用不平衡高絕緣方式和導線逆相序排列可以大大降低雙回同時跳閘率。
  13. In this thesis, we studied the basic theory of constructing isoline and the corresponding algorithm. based on object oriented technology, we implemented computer aided auto drawing of thrust isoline graph

    本文的目的就是通過探討等值線構造的實現原理和應的演算法技巧,使用目前流行的面向對象程設計技術,在計算機上實現斷層地質等值線圖的自動繪制。
  14. Ordered ceo2 nanowire arrays embedded in anodic aluminium oxide ( aao ) membrane were fabricated by a novel technique, in which anions and cations conversely migrate into the hexagonally ordered nanochannels of the aao and react inside the channels to form one - dimensional nanostructures

    以陽極氧化鋁膜護ao )為模板通過新的方法合成了ceo :納米線陣列,新的方法一陰陽離子通過氧化鋁膜的有納米孔道向遷移,在納米孔中遇反應生成一維納米結構。
  15. Launching automatically, at the conclusion of the initial boot sequence or subsequent boot sequences, or upon connections to or disconnections from the internet, any non - microsoft middleware if a microsoft middleware product that provides similar functionality would otherwise be launched automatically at that time, provided that any such non - microsoft middleware displays on the desktop no user interface or a user interface of similar size and shape to the user interface displayed by the corresponding microsoft middleware product

    在雙方的汽車零部件貿易中,美國則有128億美元的差。 1993年7月,日本雖然同意談判解決汽車市場的開放問題,但實際上卻拒絕與美國進入談判程。因此美國採用這樣的措施,要求日本向世界汽車商開放市場,而且要求日本市場應該具有應的透明度和競爭性。
  16. Gene duplication is one of the most important factors that influence the evolution of genome size, the origination of novel gene, the genetic robustness against null mutations, the speciation, etc

    摘要基因重復是基因通過不等交換、轉錄轉座或全基因組重復等途徑產生一個與原基因似的基因或堿基列。
  17. Among sequenced 16 positive clones randomly selected, two represent novel expression tag sequences, two are homologous to two unknown proteins in genbank ; the rest are homologous to known or putative proteins or enzymes with definite functions by searching the genbank through blast program, which are involved in various life activities of cell such as regulation of gene expression, plant secondary metabolism, signal transduction, adversity resistance, stress response and defense reaction. significant changes of quantities of these gene fragments were observed before and after ssh, which indicated they were enriched after ssh

    隨機挑選了16個差異表達的克隆進行列測定,經與genbank數據庫關數據比較分析,發現有2個新的cdna片段( ets ) ,有12列與genbank中已知蛋白或推測蛋白質( putativeprotein )列有高低不同的同源性,它們參與基因的表達調控、植物的次生代謝、信號傳導、抗、應激及防禦反應等細胞生命活動過程。
  18. Reverse engineering starts with the executable program systems, and generates the structure of system, and the design logic corresponding to the source code

    向工程從可運行的程系統出發,生成對應源程的系統結構以及關的設計邏輯等等。
  19. Chemical - shift magnetic resonance ( mr ) imaging is gradually accepted as a useful technique to distinguish benign adrenal lesions from malignant counterparts based on in - phase and out - of - phase gradient - echo pulse sequences

    摘要化學差磁振造影中,順脈沖最之腫瘤訊號強度的變化,應用在臨床上分辨腎上腺良性或惡性腺瘤是有用且逐漸被接受的圖象診斷工具。
  20. ( 3 ) how to design the bayesian test method about the parameter ' s linear hypothesis according to the relationship between the multivariate t distribution and f distribution. ( 4 ) the bayesian diagnosis and unit root test method about the random error series. ( 5 ) the bayesian mean value quality control chart when the variance is known and the mean value - standard error control chart when the variance is unknown

    然後,研究了擴散先驗分佈下單方程模型參數的貝葉斯估計理論,證明了模型系數的后驗分佈為多元t分佈,模型誤差項方差的后驗估計為gamma分佈;根據多元t分佈和f分佈之間的關系,構造了模型系數線性假設檢驗的貝葉斯方法;根據hpd置信區間構造了隨機誤差列自關的貝葉斯診斷和單位根檢驗方法,並利用單方程模型的貝葉斯推斷理論研究了方差已知時的貝葉斯均值控制圖和方差未知時的貝葉斯均值?標準差控制圖。
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