最小相角 的英文怎麼說

中文拼音 [zuìxiǎoxiāngjiǎo]
最小相角 英文
minimum phase angel
  • 最 : 副詞（表示某種屬性超過所有同類的人或事物） most; best; worst; first; very; least; above all; -est
  • 小 : Ⅰ形容詞1 （體積、面積、數量、強度等不大） small; little; petty; minor 2 （年紀小的; 年幼的） youn...
  • 相 : 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...
  • 角 : 角Ⅰ名詞1 （牛、羊、 鹿等頭上長出的堅硬的東西） horn 2 （古時軍中吹的樂器） bugle; horn 3 （形狀像...
  1. The model aims at minimizing the sum of braces stiffness at given story drift angle limitation

    它的特點是在相同的層間位移角限值下，所求得的框架各層耗能支撐剛度之和最小。
  2. Results show that the spatial distribution of the precipitation of the west is very uneven and obviously different in every quarter ; the characteristics of precipitation is droughty and less - rain in almost all part in winter. plentiful in summer, spring and autumn are transition phases, rainfall of autumn is more than that of spring in the most of region ; relative variability of each season rainfall is bigger than that of year, the variability is biggest in winter, but smallest in summer. alike between spring and autnmn and comprative in numerical value ; the area of least precipitation is in talimu basin and the northwest of chaidamubasin, not in the northwest of china

    研究發現：西部地區年降水量的空間分佈極不均勻，局地差異大；冬季絕大部分地區乾旱少雨，夏季雨量豐沛，春秋季是過渡階段，大部分地區秋雨多於春雨；各季降水量的相對變率大於年變率，夏季最小，冬季最大，春秋兩季相似，數值上與冬季相差無幾；我國雨量最少的地區位於柴達木盆地西北部和塔里木盆地，並不在我國的最西北角。
  3. Depicting the dynamic features of the minimum risk hedge ratios with diagonal bekk models which capture the interaction of spot and futures currency markets concludes that hedging does alleviate exchange rate risk, although different hedging strategies rank in hedging effectiveness according to their respective duration

    採用對角bekk模型來捕捉貨幣現貨與期貨市場的交互影響，從而刻畫風險最小化套期比率的動態特徵，結果表明，套期保值能減少匯率風險，但具體的套期保值策略的效率高低排序與避險頻率相關。
  4. Heat fluxes estimated from radiative temperature by this model is more accurate than other regular corrective methods. two - layer model has been proposed for many years but was difficult to apply in remote sensing because component temperature were unavailable in traditional thermal sensors. a new airborne multi - angular thermal sensor system and retrieved soil and canopy temperatures were used to solve two - layer model, and the simulated heat fluxes show much better accuracy than the results from one - layer model especially above dry surfaces

    雙層模型雖然提出很多年了，但在應用中一直存在信息不足，求解困難的問題，本文用最新多角度熱紅外遙感數據? ? ? amtis系統反演的組分溫度，首次實現了雙層模型在遙感中的應用，結果表明，在輸入參數精度相近的情況下，雙層模型模擬的通量誤差遠小於單層模型，尤其在土壤乾旱，表面溫度較高的地表，雙層模型的理論優勢在計算中表現得更加突出。
  5. Then in allusion to biased momentum wheel system, based on classical control system a pid controller was design about pitching channel. according to specialty of roll - yawing channel, this paper discuss long - time cycle movement and short - time cycle movement. when design the control method of long - time cycle movement, whiff thruster is used to assistant the control system. when design the control method of short - time cycle movemen, in order to sovle the problem of coundn ’ t abtain the angular velocity signal, nonminimum phase controller advanced by terasaki is used

    然後針對偏置動量飛輪系統，基於經典控制理論設計俯仰通道的pid控制律，根據滾動?偏航通道耦合的特點，分別討論了由軌道角頻率和章動頻率引起的長周期運動和短周期運動。其中長周期運動控制律設計時，結合了噴氣推力控制來輔助偏置動量控制;短周期運動控制中，為了解決不能獲得角速度信號的問題，採用terasaki提出的非最小相位控制器進行控制。
  6. From the perspective of minimum transmission losses, an instantaneous reactive power theory for systems with any number of phases and with or without neutral line is developed. under the new definition, each quantity has its own physical meaning, and the zero sequence current can be decomposed into active and reactive components. furthermore, a generalized compensation method for zero sequence current is developed

    從輸電損耗最小的角度出發，提出了任意相無中性線或有中性線系統的瞬時無功功率理論，在新的理論下，每個量都有清晰的物理意義，且能分解出零序電流的有功分量和無功分量，並給出了通用的零序電流補償方法，揭示了瞬時無功功率理論與傳統平均意義下的無功功率理論的聯系及本質區別，從而為研究hvdc - vsc及各種facts裝置的無功功率控制奠定了理論基礎。
  7. This paper discusses the minimum plane curve radius of medium - and low - speed maglev lines based on the influence factors such as trawler ' s easiness and technical demands of trains, etc., and proposes the values of the minimum plane curve radii that can be taken for reference in determining the correlative route parameters on the medium - and low - speed maglev lines

    摘要從乘客舒適度、磁浮列車自身技術要求等角度，對中低速磁浮交通線路規劃中的最小平曲線半徑進行探討並得到建議值，為中低速磁浮交通線路相關參數的制定提供參考。
  8. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題，主要研究內容有： （ 1 ）實驗、測定了20種常見生物質的能量（發熱量）和c 、 h 、 n元素含量，根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式，並通過r _ （ 0 . 05 ）檢驗；為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便； （ 2 ）選擇了8種生物質試樣作了等加熱速率（ 10 min 、 20 min 、 40 min 、 60 min ）和恆溫加熱的tg和dtg實驗，根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程，並採用goast - redfem積分法和p函數對其動力學參數進行了求解，解析出各種生物質的頻率因子和活化能參數，進而建立了各種生物質的熱解動力學模型，為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述，提供了理論和依據； （ 3 ）為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間，在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定，得出生物質的長徑比（ l d ）一般在5 . 0 6 . 0之間，平均為5 . 3的結果； （ 4 ）採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究，解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間（ t ） ，得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果，為閃速熱解反應器固相滯留時間設計和預測提供了理論依據； （ 5 ）根據上述實驗結果，綜合運用工程力學、工程材料、機械設計學原理，推導、建立了轉錐式閃速熱解反應器物料滯留時間（ ）與轉速（或頻率）合理匹配理論； （ 6 ）提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。
  9. The small inclusions - in aluminum alloy can be detected according to this rule. 2. the initial phase angle of the highest spectral line mushrooms with the growth of volume percentage of inclusions while forward direction, but it goes down while negative direction. 3

    正向檢測（沿軋制方向）時，最高譜線的初相角隨夾雜物體積百分數的增加而迅速增加；逆向檢測時，最高譜線的初相角隨夾雜物體積百分數的增加而迅速減小； 3
  10. For compensating the nonlinear error between winding current and the result magnetic field of stepper motor, the method of minimum square is adopted to fit and correct the error curve of subdivision step angle, and the subdivision precision is improved

    為了補償步進電機相繞組電流與其產生磁場之間非線性引起的誤差，採用了最小二乘法對細分步距角誤差曲線進行了擬合與修正，提高了細分精度。
  11. Finally it occurred to them that their naked skin represented flesh - colored " tights " very fairly ; so they drew a ring in the sand and had a circus - with three clowns in it, for none would yield this proudest post to his neighbor

    后來他們忽然想起，自己身上裸露的皮膚完全可以當成是肉色的「緊身衣」 ，這樣他們就在沙灘上劃了個大圓圈，開始演馬戲由於互不相讓，誰也不願失去扮演這最神氣角色的機會，結果臺上出現了三個小丑。
  12. This thesis describes the three important methods for designing pid controller : imc - based method, frequency method and direct synthesis method. we respectively design the pid controllers for the first - order plus dead - time processes, second - order plus dead - time processes, non - minimum phase processes, integrating and unstable processes, then, performance assessment and robustness metrics are used to compare the pid controllers of the individual process

    論文著重研究了pid控制器的三種重要設計方法：內模法、頻域法和直接綜合法，並從確定性性能指標和魯棒性性能指標的角度，比較這些設計方法在一階加純滯后、二階加純滯后、非最小相位、積分和不穩定過程pid控制器設計中的應用效果。
  13. The smallest characteristic value corresponds to the lowest natural angular frequency.

    最小的特徵值相當于最低固有角頻率。
  14. In order to deepen the research on multiuser detection and speed up the process of its entering into the commercial markets, we have studied the problem of multiuser detection based on cdma systems in the paper. from the system simulation view, we have given the structure of decorrelation detector and the one of mmse detector, respectively and designed the two corresponding tokens to expand the functions of cdma library in systemview

    為了推動多用戶檢測理論研究工作的深入開展和加速工程化進程，本文從系統模擬角度對多用戶檢測進行了研究，提出了解相關多用戶檢測器和最小均方誤差多用戶檢測器的結構，設計了多用戶檢測模塊，解決了systemview通信庫欠缺該功能模塊的問題。
  15. Member - one of nenjiang group is divided into sa 0 sand - group. the same points of medimentary microfacies types and distribution by developed in many sand groups lies in that they dominate with river delta and shore - shallow lake in west and dominate with deep lake - semi - deep lake and contain gravity flow. the change of sediment scope of each sand - group makes deep lake - semi - deep lake and sublacustrine fan sediment of ga 0 and pu 2 sand - groups not being developed during the lest sediment area, but the deep lake - semi - deep lake and sublacustrine fan sediment during the largest sediment scope of sa 0 is well developed

    多數砂組發育的沉積微相類型和分佈的共同之處在於，西側多以河流三角洲和濱淺湖沉積為主，東部以深湖?半深湖為主其中夾有重力流，但由於各砂組沉積范圍的變化，造成沉積區最小時期的高0 、葡2砂組深湖?半深湖及湖底扇沉積不發育，而沉積范圍最大時期的薩0砂組深湖?半深湖及湖底扇沉積極其發育。
  16. Dbf algorithms for 2d planar array based on the algorithms for 1d array are discussed in this paper. the author ' s main contributions include research of the adaptive digital beamforming algorithm, which control both amplitude and phase of each array element : diagonal loading qrd - smi algorithm. research of two phase - only dbf algorithms : small phase perturbation restriction algorithm and maximum gain of the expected direction restriction algorithm

    面陣的數字波束形成演算法是面陣dbf技術的關鍵，本文在現有的一維數字波束形成演算法基礎上，研究了二維面陣的數字波束形成演算法，主要工作有：面陣的幅度相位全控制自適應數字波束形成演算法? ?對角加載qrd - smi演算法的研究；兩種面陣唯相位（ phase - only ）數字波束形成演算法? ?小相位擾動約束演算法和期望方向增益最大約束演算法的研究；面陣的數字多波束形成演算法? ?二維fft多波束的研究，以及fft在可編程邏輯器件中的實現。
  17. Then, the hilbert transform is applied to each modal response to obtain the instantaneous amplitude and phase angle time histories. a linear least - square fit procedure is proposed to identify the natural frequency, damping ratios, physical mass, damping and stiffness matrices from instantaneous amplitude and phase angle for each modal response

    然後對各階模態響應進行hilbert變換，得到瞬態幅值和相位角的時間歷程，再運用線性最小均方擬合來識別自然頻率、阻尼比、質量、剛度和阻尼矩陣。
  18. After studying various constraints, a constraint - based cluster using function partition based on angle dissimilarity, a partition sowntown means with least outspread tree method, and the quantity of customer ' s sale was forecasted by time - series analysis were presented. so, a series of cspr ( cluster sown town partition rule ) to manage lcc database was describe

    為實現對滿足約束條件的聚類尋找適當的方法，作者在分析聚類約束條件的基礎上，提出運用基於角度相異度的函數劃分法處理地理位置的約束條件，用最小生成樹聚類分析方法生成滿足多項約束條件的聚類，用時間序列預測技術使客戶銷量約束條件趨于完善。
  19. Institutional economics is its basic theoretical clue. the institutional approach includes : transaction cost is a basic view for housing finance institutions and a certain institution follows the principle of minimum transaction cost ; financial deepenness and financial function theories are important ways to understand housing finance institution ; a systematic institutional structure of housing finance comes from the interaction of social economy, culture and politics, and institutional bundling and embeddedness are common forms ; financial structure theory is a forceful quantitative way to analyses housing finance institutions ; minimization of transaction cost is the basic motivation for institutional transformation, and the basic ways are forced transformation and induced transformation ; equity and efficiency are basic criteria for evaluating housing finance institutions, which may implement through certain institutions while government acts as leverage between equity and efficiency. ( 2 ) multiformality and transformation of housing finance

    制度經濟學是基本的理論線索，制度分析範式包括如下方面：交易成本是考察住房金融制度的基本視角，特定的住房制度安排遵循約束條件交易成本最小化原則；金融深化和金融功能理論是理解特定住房金融制度安排的重要輔助方法；整體性住房金融制度結構的形成是包括社會經濟、文化、政治等各類制度在內互相影響、平衡的產物，制度捆綁和制度嵌入是常見的形式；金融結構方法是用制度分析方法解釋住房金融制度的有力的定量分析工具；住房金融制度變遷的基本動因是交易成本最小化（外部收益內部化） ，變遷的基本方式是強制性變遷和誘致性變遷；公平和效率是住房金融制度評價的基本標準，公平和效率通過一定的制度安排可以同時實現，政府在住房金融制度中起著平衡公平和效率的杠桿作用。
  20. According to the fact that iris images cannot be compared for their different resolutions, a new method for normalizing iris region into fixed resolution by using minimum inner boundary resolution and minimum radius difference of inner boundary and outer boundary is presented

    摘要針對虹膜區域圖像大小不同，難以實現虹膜的比較問題，提出了根據虹膜最小內邊界周長確定角度解析度和根據虹膜最小內、外邊界半徑差確定徑向解析度的方法，將不同分辨的虹膜圖像轉換為相同解析度的矩形區域。
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