無偏置 的英文怎麼說

中文拼音 [piānzhì]
無偏置 英文
absence of offset
  • : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
  • : Ⅰ形容詞1 (不正; 歪斜) inclined to one side; slanting; leaning 2 (只側重一面) partial; prejudi...
  • : 動詞1. (擱; 放) place; put; lay 2. (設立; 布置) set up; establish; arrange; fix up 3. (購置) buy; purchase
  1. A new type of bearing - less disc pm motor is investigated. the motor consists of two functions, one part is a general short - span structure permanent motor and the other is the so - called hybrid type active magnetic bearing

    本文研究了一種新型的片狀軸承永磁電機,該電機由兩部分組成:普通片狀永磁電機和永磁混合式磁懸浮軸承。
  2. First, passive resistance network was selected as direct current biasing network, which offered direct voltage for base through the resistance voltage divider composed of two resistances, among them the upper resistance connected from the dc to base, the lower resistance connected from the base to ground. the collector connected with dc directly

    直流網路採用源電阻網路,通過由兩個電阻組成的電阻分壓器為基極提供直流電壓,上電阻從電源串聯到基極,下電阻從基極到地,集電極直接加電。
  3. This article aims at the boiler ' s problems in operation : 1 ) under nominal load, the smoke temperature at the outlet of hearth reaches 1200, far more exceeds 1050 the original designed temperature. this will always result in slag inside boiler and the temperature of overheater ' s pipe superheat, so that boiler cannot take nominal load and all these influence boiler ' s nomal operation heavily, 2 ) this article also studied the reason why the assistant oil becoming necessary when coal changes. during the nomal operation, many factors ( makeup of combustor and its disposal, smirch and encrust of water wall, excessive air coefficient, temperature of primary air, coal type and density of coal dust ) can deviate the designed working conditions, then affect the boiler ' s nomal operation

    本文針對該鍋爐在實際運行中存在的問題:在額定負荷下,爐膛出口超溫、低溫段過熱器前煙溫高達936 ,遠遠超過815的設計值;噴燃器四周水冷壁結焦嚴重,過熱器管壁溫度超標,法帶上額定負荷;甚至有時因燃煤質量的變化,必須投油助燃的嚴重情況進行了分析研究。在實際生產過程中,燃燒器的結構、布,水冷壁的粘污、結垢,過剩空氣系數、一次風溫、煤種及其濃度變化等許多因素都會離鍋爐的設計工況,從而影響爐內的傳熱和燃燒,造成爐膛出口超溫、水冷壁結渣等問題。
  4. According to non - newtonian fluid mechanics theory and mathematical method, conbined with plunger moving property, the hypothesize fluid is imcompressive, hydraulic radius of flow of liquid in crevice is very little, and it is laminar flow, the flow is treated fixed continuous flow at every instant position of plunger, equation of motion and boundary condition were set up in condition of concentric and eccentric of pump barrel and plunger

    運用非牛頓流體力學理論和數理方法,結合抽油泵柱塞運動特點,假設液體為不可壓縮的,液體在縫隙中流動的水力半徑很小,呈層流流動,柱塞在每一位的瞬間,流動做定常流處理,建立了泵筒與柱塞同心和心兩種情況下運動方程和邊界條件,引入量綱坐標、量綱速度和柱塞與泵筒心配合時的縫隙高度,並給出縫隙流流速、流量的解析解。
  5. Undoubtedly, it is popular among consumers. we ' ll research and develop more excellent 2. 4 g digital wireless microphones based on the present technology

    毋庸疑,本產品現在深受市場愛,為廣大消費者接受。但我們不會滿足現狀,將在現有技術基礎之上,研發更優秀的2 . 4g數字線話筒,讓其煥發新的技術活力!
  6. Through the calculating example results and the comparisons with other calculating theories, it is proved that the calculating formulas of the combined geometry curve theory is valid, practical and accurate. it can be used in the calculation of line shape at the preliminary design, and can meet the engineering need. ( 3 ) this thesis researches systemically on the calculating theory of the suspension bridge ’ s cable system, including calculating design line shape and internal force, erection line shape of cable and pre - displacement of saddle without loads, the fixed position for erecting cable and amendatory method of cable ’ s unstressed length

    通過算例驗證了混合線形理論公式的實用性和正確性,並且與其它計算理論的結果比較,證明公式有足夠的精度,可用做初步設計中主纜線形的計算,能夠滿足工程的需要; ( 3 )對自錨式懸索橋主纜系統計算理論進行了系統研究,包括成橋線形和內力計算、空纜線形和內力計算、鞍座預量計算、索夾安裝位計算和索鞍處主纜應力長度修正方法。
  7. Secondly, calculation theory of construction for suspension bridge is presented under the ideal condition of dead load design. linetype change stiffness of cable and slip stiffness of supporting points are deduced based on segmental catenary theory. then numerical analysis method through sgkz2000 software are introduced in detail about calculating design linetype for suspension bridge, unstressed length of cable, erection linetype of cable and pre - displacement of saddle without loads, erection linetype of wire strands, the fixed position for erecting cable band and linetype of lifting stiffening girders

    其次,根據懸索橋恆載設計理想狀態建立了懸索橋施工計算原理;以分段懸鏈線索理論為基礎,推導了懸索的線形變化剛度和懸索支點的滑移剛度;介紹了懸索橋成橋設計線形計算、吊索應力長度計算、空纜線形與預量計算、絲股架設線形計算、索夾安裝位計算和加勁梁吊裝線形計算的具體方法、數值演算法及軟體sgkz2000的計算模塊的實現。
  8. This paper also presents the methods of controlling unstressed length of cable, pre - displacement of saddle, anchor span tension, erection of wire strands, the fixed position for erecting cable band and cable length. determination and control approach of displacement of saddles during cable erection are also introduced. at the same time, the change course of linetype during construction period for suspension bridge is analyzed

    再次,介紹了懸索橋的施工控制內容與方法,利用軟體sgkz2000對多座懸索橋進行了施工計算,提出本文關于懸索橋的主纜應力長度控制、索鞍預量控制、錨跨張力控制、絲股架設控制、索夾安裝位與吊索長度控制的方法;介紹了吊梁階段鞍座頂推量的確定與控制方法,分析了施工階段懸索橋的線形變化過程。
  9. Certain investors " invest behavior during a time period is analyzed to verify whether there are this kind of " sell benefit and hold loss " psychological tendency and disposition reaction. we give out the theory explanation based on data statistics. the direction for further study in the future is also provided

    對投資者在某個時間段內的投資行為進行考查,檢驗投資者是否存在這種「售盈持虧「的心理向,有強烈的處效應表現,並對檢驗的數據結果進行理論分析,提出解釋,最後對于將來的研究方向給出一些推測。
  10. In the simulation work, one 1. 5kw and one 18kw induction motors ? control system were simulated and two simplified control scheme were proposed. when developing the program in tms320f240 dsp, this paper solved two practical problems : the finite - length effect and dc bias effect. finally, sensorless control system based on adaptive filter theory are tested on the platform of 1. 5kw induction motor, the results show that the scheme ? performance is good

    在模擬過程中,針對1 . 5kw和18kw異步電機進行了模擬,並在此基礎上提出兩種簡化控制方式;在tms320f240的具體編程過程中,分別對自適應濾波器的有限字長效應、直流效應等非理想因素進行了修正和補償;最後,在1 . 5kw微型異步電機上進行了轉矩閉環速度傳感器實驗,實驗結果表明了演算法完全可以達到預期的目標。
  11. We have investigated transport properties of electrons in magnetic quantum structures under an applied constant electric field. the transmission coefficient and current density have been calculated for electron tunneling through structures consisting of identical magnetic barriers and magnetic wells and structures consisting of unidentical magnetic barriers and magnetic wells. it is shown that the transmission coefficient of electrons in a wider nonresonance energy region is enhanced under an applied electric field. the resonance is suppressed for electron tunneling through double - barrier magnetic ( dbm ) structures arranged with identical magnetic barriers and magnetic wells. incomplete resonance at zero bias is changed to complete resonance at proper bias for electron tunneling through dbm structures arranged with different magnetic barriers and magnetic wells. the results also indicate that there exist negative conductivity and noticeable size effect in dbm structures

    對磁量子結構中電子在外加恆定電場下的輸運性質進行了研究.分別計算了電子隧穿相同磁壘磁阱和不同磁壘磁阱構成的兩種磁量子結構的傳輸概率和電流密度.計算結果表明,在相當寬廣的非共振電子入射能區,外加電場下電子的傳輸概率比電場時增加.對于電子隧穿相同磁壘磁阱構成的雙磁壘結構,共振減弱;對于電子隧穿不同磁壘磁阱構成的雙磁壘結構,電場作用時的非完全共振在適當的電壓下轉化為完全共振,這時的電子可實現理想的共振隧穿.研究同時表明,磁量子結構中存在著顯著的量子尺寸效應和負微分電導
  12. These problems are as follows : the guidance principle is not in accordance with the regulation of civil procedure, too many improper subjects begin this procedure, it is difficult for the party to begin this procedure, the reasons for retrial are regulated too rigidly, the setting of administrative courts is not rational, there is no limitation to the number of times of retrial, the regulation for retrial period is too simple and there is no definite regulation for court costs and so on

    該章分析了我國再審程序存在的主要問題:指導思想有失頗,再審程序啟動主體過多且不合理,當事人申請再審難以啟動再審程序,申請再審事由的規定過于原則,再審的管轄法院設不合理,再審次數限制,申請再審的期間規定過于簡單,再審的訴訟費用明文規定等。
  13. First, robust controllers design with mixed performance requirement is researched by giving output - feedback synthesis with h2, h and regional pole placement constraints. second, reduced - order robust filters design for continue - time / discrete - time systems is researched. the filters obtained are a set of permitted ones and have optimality and unbiased estimation

    首先,以極點配、 h _ 2 、 h _為目標的輸出反饋綜合為例研究多目標魯棒控制器設計;再則,對連續離散時間系統研究降階魯棒濾波器設計,使得所設計的濾波器具有最優性和性。
  14. In this paper, the problem of portfolio selection containing the asset without risk is discussed when the anticipated rates are fuzzy numbers

    摘要從模糊性的角度考慮選擇存在風險資產的投資組合問題,對于收益率為模糊數的情形,在每一信水平上,以離中心值的程度作為風險的度量。
  15. The system which utilizing a dunn diode emitter and unbiased schottky diode detector was compact, simple and portable

    該系統採用耿氏二極體作發射器,無偏置肖特基二極體作探測器,具有小型、簡單和便攜的特點。
  16. The later method can simulate a scenario where a reasonable amount of base stations and mobile phones are working together. this has much more persuasion. an intact wcdma system level simulation platform is used in this thesis, integrating a simplified phs platform

    在平臺中設wcdma網路有2層19個基站,小區站間距1000米, phs網路4層61個基站,站間距250米,兩網中心基站坐標移。
  17. Aerospace - gauges, for internal offset cruciform ribbed or unribbed drives - metric series

    航空航天.內十字槽加肋或肋傳動裝的量規.米制系列
  18. The proposed method can provide unbiased estimate of the ms ' s position. it is characterized by high efficiency and small memory volume requirement

    該方法對移動臺位的估計是一種估計,具有存儲量小、摘要定位效率高的特點。
  19. The bending direction is determined by behaviors of two adjacent sma actuators. only depending on the bias spring, the active catheter ca n ' t resume to linear state, and time for resuming is too much

    僅僅依靠彈簧,主動導管存在法完全恢復到直線狀態而且恢復速度較慢的問題,可以通過反方向上的彎曲動作來改善。
  20. The results of numerical simulation show that for various kinds of noise without modulation the anti - noise properties and the output quality of laser can be improved by selecting appropriately bias current and parameters of the cavity

    數值模擬的結果表明,對于調制時的各種噪聲,適當選取電流和腔內參數可以提高微腔半導體激光器的抗噪聲性能或激光輸出的質量。
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