置位系數 的英文怎麼說
中文拼音 [zhìwèixìshǔ]
置位系數
英文
setzfaktor setting factor- 置 : 動詞1. (擱; 放) place; put; lay 2. (設立; 布置) set up; establish; arrange; fix up 3. (購置) buy; purchase
- 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...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 數 : 數副詞(屢次) frequently; repeatedly
- 系數 : [數學] coefficient; ratio; modulus; quotient; factor
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Conclusion the mill - like technique and 8. 2 mega pixels digital photograph can display amygdaloid body, hippocanipal formation and lateral ventricle clearly
結論薄層冰凍銑切技術和820萬相素數碼照片能清晰顯示杏仁體、側腦室和海馬結構的位置關系及形態變化。To loading missiles on the emissive vehicle automatically, the positional relationship between the emissive vehicle and loading vehicle must be acquired
某型導彈填裝車為發射車自動裝彈前,需要獲得兩車之間精確的相對位置關系參數。In this paper, a safe, reliable, and intellectual control plan is provided aiming at the heat charge for dwelling district, which contains epigynous machine responsible for data processing and hypogynous mahcine responsible for unlocking the valve, by means of serial communication between them, combining homemade three - channel valve, to adminstrate the charge data and the valve efficiently. the main idea is based on the homemade three - channel valve. the vavle is locked at peacetime, while it is opened with the help of open tool and a water flow in the caliduct. as soon as the flow stops, the valve locks automatically. the open tool has data in its memory, and implement function by lcd and keyborad. so it can identify data and drive motor, to open the valve intellectually. the epigynous machine database manage system administrator the dweller information, standard heat charge and payment infomation etc, including store, configure, query, print etc, then store in the memory of open tool. as a result, the plan can do well in the experiment
此閥平時是鎖閉的,只有用開啟器配以暖氣片中的水流才可打開,一旦水流斷開,則此閥會自會鎖閉。而開啟器則是根據其存儲器中的數據配以液晶顯示及小鍵盤,完成數據確認及電機驅動,自動對相應用戶的三通閥打開特定角度,完成開啟任務。上位機數據庫管理系統完成對用戶信息、熱費標準、繳費信息等原始數據的常規管理,包括存儲、設置、查詢、列印等,最後將處理后的數據傳到開啟器中存儲。A very low linear expansion coefficient sample carrier made from invar, ensures that temperature change has no effect on the sample position
由不脹鋼製成非常低膨脹系數的樣品載臺保證溫度變化對樣品的位置沒有影響。( 2 ) the results reveal that the pre - swirl ratio has a great influence on the flow field of the rotating disk, even greater than the rotational reynolds number, and an initial constant is induced in moment coefficient cm and average nusselt number nuave correlations, which does not exist in the case of without pre - swirl
( 2 )分析了預旋系數_ r對該旋轉盤腔流場的影響,定義了一個新的壓力系數c _ p ,該壓力系數c _ p沿徑向位置的變化對特定的旋轉雷諾數re _是一個常數。In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 , and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory
由直流脈寬調速系統( pwm )和位置環構成的定位系統中,速度環的參數隨負載特性;電網電壓;給定工況而攝動是不容忽視的.作者通過系統辨識建模也證實了這一事實1 , 2 .因此在設計位置環的離散滑模控制時,必須針對速度環(即位置環的控制對象)的參數攝動范圍採用「對象參數攝動離散滑模控制器的設計方法」 ,以確保系統在參數攝動時的穩定性和快速、無超調、準確定位的優良動態品質.為剖析該設計方法的控制效果,本文作了對比性研究,並將該設計方法用於工業試驗中,取得了滿意的結果It integrates the functions of servo amplifier, dynamic operator, position transmitter and remote communication. many new functions have added to its original ones, such as the real - time logical judgment, malfunctions self - diagnosis, alarm & protection, led display, on - line setting and adjustment of functional parameter and position transmitter, power - absence data auto - protection, watchdog system protection, and the long - range communication with pc
系統集伺服放大器、電動操作器、位置發送器及遠程網路式通信功能於一體,在保留對應部分原有功能的同時,還新增了邏輯實時判斷、故障實時監控、 led動態顯示數據、功能參數設置、掉電數據自保護、 「看門狗」電路保護、位置發送器在線調節、與遠程工控機數據通信等眾多功能。The magnetic field coupling between neighbors electromagnetic is analyzed by femm software and the solved. mathematical system and conrrol system of the pemb are established. voltaic stiff coefficient and displacement stiff coefficient are calculated
建立了永磁偏置磁軸承的數學模型和控制模型,計算了其電流剛度系數和位移剛度系數。Results show that the influence of mainstream reynolds numbers on heat transfer coefficience is little and the heat transfer coefficience raise with the increase of reynolds numbers. the influence of the position of holes on heat transfer coefficience is complex and correlate with the mainstream speed and the balde surface curvature. and the influence of blowing ratio on heat transfer coefficience is more great ( especially to stator ), and show a complex relation to mainstream reynolds number and the position of holes
實驗結果表明,不同孔位出流的換熱由於孔排下游表面來流速度及葉片表面曲率的不同而有不同的規律,而主流雷諾數對葉片表面特別是壓力面和前緣區域的換熱系數比的影響較小,吹風比對換熱系數影響較大(特別是導葉) ,並且隨氣膜孔位置和來流雷諾數的變化而情況復雜。Abstract : to decrease bending and twist deformation of non - sym metry extruded sections, a new conception of local extrusion ratio and die band ratio has been set up, and also the formulas for the place of die hole on the ba sis of simulating test
文摘:為減小非對稱型材擠壓的彎扭畸變,在試驗研究的基礎上,建立了局部擠壓比、擠壓帶系數的概念,擠壓筒中心與擠壓模孔型中心相對位置的計算式。To meet the demands for large space and flexible compartmentation of buildings, laminated vierendeel trusses are adopted in high - position transfer story structures. first the bearing characteristics are analyzed, in which reasonable stiffness ratio of the upper chord, middle chord, and lower chord is derived. then combined with an actual engineering model ( 1 8 similar ratio ), the static loading and pseudo - dynamic tests of two models for laminated vierendeel truss used in transfer story structures are conducted, in which one model adopts reinforced concrete, and the other adopts prestressed concrete and shape steel concrete. seismic behaviors are analyzed, including inter - story displacement, base shear - displacement skeleton curves, and equivalent viscosity - damping curves. a program is programmed to carry out the elasto - plastic dynamic analysis, and displacement time - history curves of the two models are derived. the test and analysis results show that the laminated vierendeel truss with prestressed concrete and shape steel concrete has excellent seismic behaviors. it can solve the disadvantages of laminated vierendeel trusses used in transfer story structures. finally, some design suggestions are put forward, which can be referenced by similar engineering
為滿足建築物大空間和靈活隔斷要求,在高位轉換層結構中採用迭層空腹桁架結構.首先分析了其受力性能,得出了空腹桁架各構件合理的截面剛度以及布局形式.然後結合一實際工程,進行了兩榀迭層空腹桁架轉換結構模型( 1 : 8相似比)的豎向荷載下靜力試驗以及擬動力試驗.其中一榀為普通混凝土迭層空腹桁架,另一榀配置了預應力和鋼骨混凝土,對比分析了兩模型的層間位移比、骨架曲線以及等效粘質阻力系數等抗震性能的比較,並進行了彈塑性動力分析.試驗和分析結果表明,配置預應力和型鋼混凝土的迭層空腹桁架轉換結構具有良好的抗震性能,可以成功地解決迭層空腹桁架作為轉換層結構所產生的弊端問題,最後對這類轉換層結構提出了相應的設計建議Based on the theory of confidence tests, the test methods for normal population characteristics are presented in this paper, which include the strong test, the weak test and the weak - strong test
本文根據置信檢驗理論,建立了正態母體特徵值的置信檢驗方法,包括母體均值、百分位值、百分率、標準差和變異系數的強檢驗、弱檢驗和弱強檢驗,可以滿足不同的實際需求。Exciting method is used to measure the damping, the four damping coefficients of the radial part and a damping coefficient of the thrust part can be obtained though hammering the testing bearing which is in a equilibrium position. based on the testing data, the dynamic characteristic curves of the radial - thrust floating ring hybrid bearing are drawn and compared with the theoretical curves
採用激振法測量軸承的阻尼,對處于平衡位置的測試軸承分別沿水平方向、上45度方向及軸向進行錘擊,根據錘擊法原理求得各個轉速下軸承徑向部分內、外膜總阻尼系數以及推力部分內、外膜總阻尼系數。A mathematical model for gear shaping was presented for machining of externally meshed non - circular gears with shaping procedure in terms of the positional relationship between the tool ( cutter ) and gear ' s pitch curve
摘要根據范成法加工外嚙合非圓齒輪時刀具和齒輪節曲線間的位置關系,提出了插齒加工的數學模型。In the second method, wavelet transform is combined with modal transform, and transient travelling - wave signal is used. after three phase signals are decomposed into their modal components, the wavelet transform coefficient of ground mode can be used to identify approximate position of fault, and the wavelet transform coefficient of aerial mode is used for identifying arrival time of traveling - wave
第二種方法將小波變換與模式變換理論結合起來,採用的是暫態行波信號,首先將三相信號轉換成模式分量,零模分量的小波變換系數用於判別故障的大致位置,然後利用線模分量的小波變換系數來確定行波到達時間。2 ) set threshold in stationary wavelet domain to separate edge and noise, estimated wavelet coefficients in texture area to reconstruct the interferogram
3 )在靜態小波域設置濾波閾值以區分邊緣和噪聲,根據map準則來確定信號的小波系數,然後重建干涉相位圖。The main contributions are as follows : first, geometry algorithm for determining position with two satellites is studied. three parameters including intersection angle, pitching angle and visual angle are selected to describe the geometric relationship of observation intersection
其主要研究內容包括:推導了雙星定位的幾何方法;根據目標和兩顆衛星的空間位置關系,設定了三個角度參數來描述雙星定位的精確度。Modeling the general solid web continuous box girder and opening - in - web ( open web ) continuous box girder by ansys finite element modeling tool, node stress of governing section and corresponding shear lag values are analyzed. the solution is validated by comparing with variational results and modeling test values. based on the model, the section shear lag induced by dead load, prestress tendons and car loads under the most unfavorable condition and lateral symmetry are also approached. the influence of shear lag effect in double - level continuous box girder is considered with opening - in - web and the web location. the analysis indicates that double - level - load arouses less shear lag effect than one - level - load. when self - weight and prestressed tendons act on together, the shear lag effect on box girder take on a evidently change
基於所建立的有限元模型,本文分別對實腹和腹板開孔兩種箱梁在恆載、車載、預應力荷載作用時,各主要截面的剪力滯效應進行分析,通過施加縱向最不利的和橫向對稱的車輛荷載,研究實腹連續箱梁和空腹連續箱梁在承受雙層荷載和單層荷載時引起的剪力滯效應,並考慮腹板開孔及開孔位置對于連續箱梁剪力滯效應的影響。分析表明,雙層車載對于箱梁引起的剪力滯系數比單層車載的影響要小,對于箱梁中存在引起的剪力滯后現象有一定的改善作用。All the results can be utilized by engineers, during the designing and construction. the main conclusions are listed as follows : ( 1 ) based on the shortest line between weak interbed and limit of excavation and the location of point of intersection between limit of excavation, classification of weak interbed distribution is set up, and the distance of distribution is defined ; ( 2 ) according to the strength and deformation equivalent principle, influence zone of weak interbed is introduced, and a new method to simulating the weak interbed with thickness is built ; ( 3 ) some quantificational results on influence of weak interbed respectively at crown, right shoulder and right wall are summarized ; ( 4 ) some quantificational results on influence of weak interbed with the distance between weak interbed and limit of excavation 0. 2d, 0. 5d, l. od are gained ; ( 5 ) some quantificational results on influence of weak interbed in the rock mass with confining coefficient 0. 38, 1. 0, 1. 5, 2. 0, 3. 0 are summed up ; ( 6 ) some quantificational results are summarized on influence of the underground surrounding rock mass stability with weak interbed, in the representational surrounding rock mass graded ii, iii, iv ; ( 7 ) according to the studying results some advices are suggested on designing of underground engineering
主要結論如下: ( 1 )以軟弱夾層到開挖輪廓線最短距離和最短距離線與開挖輪廓線的交點位置為指標對軟弱夾層的分佈部進行了分類,並確定了軟弱夾層分佈距離; ( 2 )根據強度等效和變形等效的原則,引入了軟弱夾層影響帶的概念,建立了模擬軟弱夾層厚度的一種新方法; ( 3 )總結出了軟弱夾層分佈在拱頂、右拱肩、右邊墻時對地下洞室穩定性影響的量化指標; ( 4 )分析出了軟弱夾層距開挖輪廓線0 . 2d 、 0 . 5d 、 1 . 0d三種情況對地下洞室穩定性影響的量化指標; ( 5 )總結出了在不同的側壓力系數( 0 . 38 、 1 . 0 、 1 . 5 、 2 . 0 、 3 . 0 )地應力場中軟弱夾層對穩定性影響的量化指標; ( 6 )得出了在、 、代表性圍巖中軟弱夾層對穩定性影響量化結果; ( 7 )根據數值試驗成果提出了在有軟弱夾層圍巖中地下洞室設計原則的幾點新內容。An array of lasers fitted on the car bumpers, radar and global positioning systems feed data into the on - board computer to determine its location and position
汽車緩沖器上被安裝了一排雷射燈,雷達和全球定位系統隨時將數據傳入車載計算機用以確定位置。分享友人