最小相移 的英文怎麼說

中文拼音 [zuìxiǎoxiāng]
最小相移 英文
minimum phase shift
  • : 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
  • : 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動詞1. (移動) move; remove; shift 2. (改變; 變動) change; alter Ⅱ名詞(姓氏) a surname
  1. The device mainly consists of integrated phase - shift trigger unit, detection unit, amplification and impedance conversion unit, the smallest excitation limitation unit, reactive regulation unit and three - phase controlled bridge rectifier

    本裝置主要包括集成觸發單元、檢測單元、放大及阻抗變換單元、勵磁限制單元、無功調查單元和三全控橋。
  2. The model aims at minimizing the sum of braces stiffness at given story drift angle limitation

    它的特點是在同的層間位角限值下,所求得的框架各層耗能支撐剛度之和
  3. Choose two nodes on the edge of the structural to compare the results calculating by the finite element program midas, then we can draw a conclusion that these kinds of space truss systems is sensitive to the libration of the dynamic wind loads. to consider this factor is very necessary in the process of design, we will use the pulsant augmentation coefficient to realize it

    比較靜力風荷載和動力風荷載作用下的有限元軟體的計算結果,選取結構邊緣部分的兩個節點,對比它們在兩種方法計算下的大位的計算結果。經過比較可以看出重量輕、頻率低、阻尼的柔性建築物對風荷載的橫向振動是很敏感的,在進行工程設計時應該考慮這種因素,並可採用乘以風振系數等應方法來加以體現。
  4. The theory of minimum entropy production or minimum rate of energy dissipation shows that a river is stable when it is in a relative equilibrium condition. ( 3 ) the river facies formulas of alluvial river have been developed using the theory of minimum rate of energy dissipation together with flow continuity and motion equations, suspended load transport or bed load transport equation. ( 4 ) the causes of the river patterns are explained using the theory of minimum rate of energy dissipation

    ( 3 )基於能耗率原理,以水流能耗率作為目標函數,以水流連續方程、水流運動方程及懸質挾沙力公式或推質輸沙率公式作為約束條件,通過對目標函數求條件極值,分別推導出以懸質造床為主的顯式河關系式和以推質造床為主的顯式河關系式。
  5. Several carrier frequency estimation algorithms including ekf and rls with opened loop are analyzed, which aim to settle the carrier phase estimation problem preferably under high dynamic circumstances. an improved phase and frequency esti - mation algorithm is proposed in the paper. simulation results show that the algorithm is faster and more precision than other algorithms

    為更好地解決高動態環境中的載波同步問題,本文進一步研究了存在動態多普勒頻情況下的開環干載波同步問題,包括基於擴展卡爾曼濾波、二乘演算法等的頻差、差聯合估計方法。
  6. Taking load uncertainties, infeasibility problem and multiple objection of the reactive power optimization in the radial distribution system into consideration, loads are modeled as fuzzy interval numbers. fuzzy power flow is proposed based on fuzzy interval load for the more practical membership function of line losses rate and maximal voltages offset. this thesis presents multiple objection model of the reactive power optimization considering uncertainties using the fuzzy set theory

    對配電網電壓無功優化問題中負荷的非概率性的不確定性問題、多目標問題、約束不可行性問題進行了研究,用模糊區間來描述實際的負荷情況,並用負荷的模糊區間值計算配電網的潮流,得到有功功率損耗和電壓的模糊區間值,使網損率和節點電壓大偏量的隸屬函數更接近實際情況;將改進遺傳演算法與模糊集理論結合,通過求解多目標函數和約束條件的模糊集合的交集,得出網損率和節點電壓大偏優運行狀態。
  7. Due to the complexity of the structure and control of cycloconverter - type three - phase hf link inverter for soft - switching based on phase - shift - controlled full - bridge mode, a simple and optimized vvvf control strategy is proposed. this control strategy includes : produced pwm by space voltage vector ( svm ) and equivalent carrier frequency fe = 1 / te are introduced into the pdm control of the cycloconverter ; softened equivalent pwm wave is generated at the notches of hf voltage pulses ; the harmonious control between regulating pulse width by phase - shifted angle and regulating voltage of equivalent pwm is to minimize the harmonics content of output voltage of the inverter

    西安理工大學博士學位論文針對這種前級全橋軟開關周波變流型三高頻鏈逆變器結構和控制的復雜性,提出了一種實現簡單而整體優化的vvvf控制策略:將空間電壓矢量產生p姍的方法svm和等效載波頻率fe = 1 / te引入到周波變流器的pdm控制;按高頻電壓脈沖前後沿軟化等效p翎波;用調節高頻脈沖寬度和等效p姍調壓協調控制逆變器輸出電壓,在滿足輸出電壓條件下使諧波
  8. On the contrary, the degree of saturation plays an important role on p - wave propagation, if incidence is 90 degree. the amplification factor on surface related to the response of bedrock is the biggest if the media is one - phase media, and the factor is the smallest if the media is unsaturated media ( sr > = 90 % )

    P波從底邊界垂直入射時,飽和度對地表土層的反應有顯著的影響。就地表土層位和加速度對于基巖的放大倍數來說,一般有這樣的規律:單土的放大倍數大,欠飽和土的放大倍數,飽和土的放大倍數居中。
  9. The corrosion potential was the biggest and the corrosion current was the smallest one when the concentration of super - 3900 was 0. 5 % ; the corrosion potential was increased with the addition of mps - dl, but the smallest corrosion current is under 0. 01 % mps - dl. the rust time was the longest one when the concentration of super - 3900 was 0. 5 % as well as mps - dl was 0. 01 %. it was increased as a peak curve with al2o3 concentration in plating solution and ph value increased gradually with cathodic current density ; the corrosion weight

    通過測量tafel曲線可知,在super - 3900濃度為0 . 5 % (對于鍍液的體積百分含量)時獲得的鍍層腐蝕電位正,腐蝕電流密度;隨著鍍液中mps - dl含量的增加,獲得的鍍層的腐蝕電位逐漸正,在濃度為0 . 01 % (對于鍍液的體積百分含量)時腐蝕電流密度
  10. At the doppler centroid aspect, this paper make use of maximum value method ; energy method and autocorrelation function method to estimate doppler centroid. at the doppler frequency aspect, this paper make use of image offset method ; time - frequency method ; minimum entropy and fractional fourier transformation method to estimate doppler frequency rate

    在多普勒參數估計中,採用了大值法、能量法和自關函數法進行多普勒中心頻率估計;採用了圖像偏法、時頻分析法、熵法和分數階傅里葉變換法進行多普勒調頻斜率估計。
  11. Finally, it takes a detailed test to the processed millimeter 4 - bit digital phase shifter. the test result is better than expectant guideline : the maximum of the phase error is 10, the insertion loss is better than 10. 74db, the return loss is more than - 14. 88db in the 33. 9ghz 34. 5ghz frequency band. the whole volume of the phase shifter is 80mm 35mm 20mm

    後,對加工出的毫米波四位數字器進行了測試,測試結果完全達到了預定指標要求:在所要求的33 . 9ghz 34 . 5ghz頻帶內,誤差於10 ,插入損耗於10 . 74db ,輸入輸出回波損耗大於- 14 . 88db ,整個電路尺寸為80mm 35mm 20mm 。
  12. ( 三 ) under the dynamic load of the explosion, the numeric analysis has been done and achieve the rule as follow : ( 1 ) when the frequency of vibration is 0. 3hz, the acceleration of the slopes top gets the maximum ; so 0. 3hz is believed the natural frequency of the slope as a whole ; ( 2 ) the vibration of explosion can been magnified because of the condition of the landform, when the relative altitude is up to 45m, the acceleration of horizon gets the maximum ; when the relative altitude is up to 100m, the absolute value of acceleration and the deformation of horizon is larger than that in the bottom of the slope ; ( 3 ) in the period of forced vibration, at the top of the slope, the acceleration of horizon become larger and larger ; at the middle part of the slope, it becomes smaller ; ( 4 ) when the explosion velocity of is much little, the shallow part destruction is the primary deformation of the slope

    (三)採用模態疊加法針對爆破動力作用,進行邊坡的動力響應分析,得出了以下結論: ( 1 )振動頻率為0 . 3hz時,坡面頂部水平向加速度峰值大;綜合考慮,可認為該邊坡的自振頻率為0 . 3hz左右; ( 2 )地形對爆破地振動存在放大作用,研究剖面的坡面,水平向加速度及位在地形對高差45米左右大,而後隨對高差的增高而減對高差為100米時,水平向位及加速度絕對值均大於坡腳; ( 3 )強迫振動段,水平向加速度值隨時間變化的規律為:坡頂節點總的變化趨勢是越來越大,而坡體中部節點的變化趨勢是越來越; ( 4 )當爆破振速較時,變形破壞的形式表現為坡頂表面滑塌型。
  13. Then, this paper edits other computer program to calculate thirty sgrc frame columns, and researches the drift capacity of sgrc frame column, and analysis the turning capacity of frame column " s plastic hinge. then the relational expression of the curvature ductility factor and ratio of hoops of sgrc frame columns is derived. this paper analysis the relation of the curvature ductility factor and the relative drift of sgrc frame columns, and discuss the question of the minimum values of ratios of hoops of sgrc frame column at different axial load ratios

    一11一太原理工大學碩_ i :學位論文使用本文程序另外模擬計算了30榻煤研石混凝土框架,進一步分析了軸壓比和配箍率對煤研石混凝土框架柱曲率延性的影響,編寫程序計算了30根煤研石混凝土框架柱,對煤研石混凝土框架柱的側向變形能力進行了研究,分析了柱塑性鉸的轉動能力,導出了煤研石混凝土框架柱的曲率延性系數與配箍率的關系式,分析了煤研石混凝土框架柱的曲率延性系數與框架柱對側向位的關系,討論了煤研石混凝土框架柱在不同軸壓比下配箍率的取值問題。
  14. Phylogenetic relationships among these haplotypes were inferred from a minimum spanning network, which was constructed by the computer software minispnet, and two phylogenetic reconstructions were determined by using maximum likelihood algorithm incorporated in the phylogenetic inference package ( phylip ) version 3. 5c and neighbour joining algorithm incorporated in the software molecular evolution genetic analysis ( mega ) version 2. 0. all these methods exclusively divided the haplotypes into three monophyletic clades corresponding to china mainland, northern japan, and southern japan populations respectively. in these populations, the china mainland population and the southern japan population have a relatively closer affinity than either of them with the northern japan population

    跨度網路圖( minimumspanningnetwork , msn )和基於大似然法( maximumlikelihood , ml )和鄰接法( neighborjoining , nj )的系統發生分析均把單元型聚類為對應于中國大陸、日本南部和日本北部的三個單系,其中中國大陸和日本南部梅花鹿有對較近的親緣關系,支持日本梅花鹿的祖先通過至少兩個大陸橋從亞洲遷到日本的觀點。
  15. 4 ) in this paper, according to the transition function databases we got the minimum test set using the graph theory. and later we built the quick test databases and the fault diagnosis databases

    4 、重點研究了利用圖論中的基本迴路概念根據狀態轉函數集尋找電路的測試集,然後利用所得的測試集建立應電路的快速測試數據庫和故障診斷字典。
  16. Finally, a new 3d surface ranging method based on a digital fringe projection and shifting technique is systematically studied and non - linear rectification algorithms which reduce measurement error is proposed. at the same time, the noise - immune phase unwrapping algorithm is deeply studied and a new algorithm for phase unwrapping of phase map is proposed. experiment make known the algorithm can reduce measurement error, bypass the noise points automatically, solve the problem of the shade sheltering or cavity, overcome the error propagation problem and better results have been obtained

    論文後系統研究了基於數字條紋投影曲面三維測量方法,創造性地提出了一種減測量誤差的非線性校正演算法,取得了預期的效果;同時對位去包裹演算法進行了較深入研究,提出了一種噪聲圖像位去包裹方法;實驗表明該方法能減非線性測量誤差,自動避開噪聲點和間斷點,獲得了滿意的結果。
  17. Minimum phase shift system

    最小相移系統
  18. The main contents are as follows : section - of theory of sediment transportation - on the basis of comprehensive review of the study achievements on sediment transport, pros and cons in using classical regression model based on lms during establishing formula in sediment incipient motion and bed - load transport rate ; experiment data in non - uniform sediment with a wide distribution in flume experiment of stead sediment transportation are been collected and coordinated

    本文的主要內容包括:泥沙輸理論部分:對前人的關泥沙起動輸研究結果總結性的回顧,分析了採用二乘法的傳統回歸模型在泥沙起動公式和輸沙率公式處理中的四川大學碩士學位論文人工神經網路理論及其在泥沙科學中的應用研究優點和缺點:收集並整理了兩組平衡狀態下的輸沙試驗資料。
  19. The extrusion is successfully divided into three ideal stages through the analysis on the pressing force and displacement curve in the process of extrusion. the mathematical model of three import and one export about extrusion velocity, temperature, extrusion force and displacement was constructed by the combination of first order classic least - square algorithm and least - square linear identifying, and the steady control to extrusion force was realized

    採用一次經典二乘演算法和二乘在線遞推辨識結合的方法,建立了以擠壓速度、溫度和位為輸入,擠壓力為輸出的三輸入單輸出數學模型,同時對于在擠壓過程壓制階段中出現的不穩定現象,提出了合理的解決方案,能夠對擠壓過程壓制階段的壓制力進行較好的預測。
  20. This paper puts forward the signals transmission method combining the msk technique with the radio technique of frequency modulated ultra - short waves

    文章提出了採用鍵控( msk )技術與調頻超短波無線電技術結合傳輸信號的方法。
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