zero angle 中文意思是什麼

zero angle 解釋
零角
  • zero : n (pl zeros zeroes)1 【數學】零;零號。2 零位;零點,起點;(溫度表的)零度,冰點;座標原點;無...
  • angle : n 【英史】盎格魯人〈cf Angles〉。n 1 角,隅,角落;棱,嬗角。2 【數學】角,角位,角的度數。3 【機...
  1. This section essence shrinks the proportion is 1 : 43 simulation model vehicle the east wind - 11 short distance trajectory guided missile truck which develops voluntarily by our country, may mobile launch carries the system is a prototype, the chassis and the missile are the alloy manufacture, the missile may take out from the discharger or revolves along with the discharger to each angle, all vehicle doors may open, the rubber tire may rotate, the zero number of articles approaches 200

    此款精縮比例為1 : 43的模擬模型車以我國自行發展、可機動發射的東風- 11短程彈道導彈車載系統為原型,車體及導彈為合金製造,導彈可以從發射架上取出或隨發射架旋轉至各個角度,所有車門均可打開,橡膠輪胎可以轉動,零件數接近200個。
  2. The shm ( single hole microblowing ) as a new perturbation active control technique has been applied to the slender body with different model noses at zero sideslip and high angle of attack

    摘要在亞臨界流動范圍內,對具有不同頭部形狀的尖拱形細長旋成體在無側滑大迎角下進行單孔位微吹氣擾動控制實驗。
  3. Trajectory control algorithm is also presented to make the excursion of flight converge to zero in given limited time during flying. it is mainly used to control and reduce the excursion and crab angle within given limited time when the aerocraft is following the reference flight path

    然後本文提出了用於控制飛行器在跟蹤參考航跡過程中出現的航跡偏移和偏航角的航跡控制演算法,該演算法能有效地使航跡偏移量和偏航角在給定的時間約束內收斂。
  4. In most flight conditions it is desired to maintain the sideslip angle equal to zero.

    大多數飛行狀態都要求保持側滑角等於零。
  5. 3. the admirable incidence angle of the laser on the surface of the detector is zero

    入射光線要垂直入射到功率計接收面的中心,且反射光線應與入射光線基本重
  6. By analyzing the basic principle of voltage space vector pwm, a method is proposed to choose the zero vectors dynamically according to the power factor angle of the load and the concept of the lag angle of non - switching sectors

    在分析了空間矢量pwm基本原理的基礎上,提出了一種根據負荷功率因數角動態分配零矢量的方法,並引入了不開關扇區滯后角的概念。
  7. Unified power flow controller ( upfc ) is one of the most powerful and most promising controllers of facts. if we use upfc to control the transmission parameters, terminal voltage, line impedance and phase angle in normal situation and use it to compensate zero sequence and negative sequence currents when one of transmission lines is cut off, we can implement two phases operating in high voltage transmission lines, which can improve stability and reliability for the transmission system

    統一潮流控制器( upfc )是功能最強、最具發展潛力的靈活交流輸電系統( facts )控制器之一,如果在常規條件下,用upfc實現輸電線路的電壓調節、移相、潮流控制、阻尼振蕩等功能,在發生單相永久性接地或單相斷路故障時,由傳統的三相跳閘改為單相跳閘,用upfc的並補來濾除兩端系統的零序和負序電流,用upfc的串補來提高輸電線的傳輸功率,以實現兩相長期運行,那麼輸電系統的穩定性、可靠性將大大提高。
  8. The radar which is embedded on platform sidelooking, but the platform will be disturbed by airflow inevitably. so, the radar will have a small sloping angle, thereby, the doppler centroid that is not zero and doppler frequency rate need to be estimated from the raw echo data in order to focus in azimuth commendably

    場景成像的合成孔徑雷達一般是正側視放置,但是載機不可避免的要受到各種擾動影響,雷達會有一定的斜視角,從而導致了多普勒中心頻率不為零,多普勒調頻斜率也隨著雷達斜視角改變。
  9. When the frequency approaches zero, the factor approaches zero correspondingly ; 2 ) the amplitude of interaction factors changes with the incident angle of rayleigh waves and reaches maximum when is zero. moreover, with the increase of, the wave period shortens apparently ; ( 3 ) the amplitude of interaction factors decreases as the pile spacing increases and approaches to zero when the pile spacing is 15 ; 4 ) the amplitudes of interaction factors increase clearly with the increasing stiffness ratio of pile to soil ; 5 ) the lat eral seismic response of fixed - head pile groups is much smaller than that of free - head pile groups. moreover, the pile - group effects induced by rayleigh waves can be neglected ; 6 ) the lateral seismic response of piles at different location differs from each other

    得到了以下結論: 1 )樁的相互作用因子隨頻率呈周期性變化,在振動頻率比較低的情況下,樁的橫向相互作用因子也較低,當頻率趨近於零時,相互作用因子也趨近於零; 2 )樁的相互作用因子的幅值隨瑞利波入射角度的變化而變化,在= 0情況下幅值最大,且隨入射角度的增加,波動的周期明顯縮短; 3 )樁的相互作用因子的幅值隨著樁與樁間距的增加而減小,至s d = 15時,樁的相互作用因子基本趨近於0 ; 4 )在頻率比較低時,相互作用因子幅值隨樁土相對剛度比的增加而顯著增加; 5 )樁頂固接可以有效地降低群樁的橫向地震響應幅值,由瑞利波產生的群樁效應可以忽略不計; 6 )群樁中不同樁位的樁的橫向地震響應是不同的,每根樁所在的樁位對其橫向地震響應有很大的影響;刀樁數的增加並不能減小樁的橫向動力響應。
  10. The people of taiwan need to look at the cross - strait issue from this angle if we are not to fall into a suicidal zero - sum game

    國人要從這個角度來思考兩岸問題才不會陷入自殺式的零和游戲。
  11. Several kinds of er fluids with different concentration are prepared and their optical activity are measured with the changes of applied electric field and using a automatic polarimeter. experiments indicate that when none of the external electric field e, concentration c and 9 are equal to zero, er fluids appear optical activity. for a given concentration, optical rotation angle increases with electric field and concentration

    實驗發現:無外電場作用時,微乳液沒有旋光效應;當e > o且濃度c和0均不為零時,出現旋光效應且旋光角大小隨電場增加而增加;存在一個飽和電場值es ,當大於es時,旋光角平趨於一定值。
  12. Phase angle phase angle refers to the relation between two sine waves which do not pass through zero at the same time

    相角相角指的是兩個不同時經過零點的正弦波之間的關系。
  13. Generic specification for traffic speed measuring redar at zero angle

    零角式交通測速雷達.通用技術條件
  14. A zero - voltage starting method is brought forward which switch the starting from separate exciting to self - exciting successfully ; pll ( phase lock loop ) technology is employed to realize the frequency tracing and constant phase angle control ; igbt driving and protective circuit suitable for parallel inverter is developed, which successfully solve the problem of time compensating and overlapping regulation for the driving signals ; a novel and practical over - voltage protective method for parallel inverters is presented which effectively avoid the possible over - voltage destroy to the inverter. xu haiwen ( power electronics and electric driving ) directed by senior engineer peng yonglong

    提出了一種零壓啟動的他激轉自激方法;通過採用鎖相環技術實現了逆變器工作頻率的自動跟蹤和容性逆變角度的恆值控制;設計了適用於並聯諧振型逆變器的igbt驅動與保護電路,解決了驅動信號的時間補償以及重疊角的可調問題;提出了一種新穎、實用的逆變器過壓保護方法,有效地解決了並聯型諧振逆變器過壓保護這一難題。
  15. Using the relation between spectrum width and entropy and the different contributions devoted by each angle motion parameter to the echo spectrum width of the difference beam, the global optimal estimation is obtained through searching the angle motion parameters of zero and higher order via max - entropy and min - entropy respectively

    該方法利用了各階運動參數對差波束回波譜寬度的不同貢獻以及熵與譜寬度的關系,通過最大熵和最小熵分別對0階和1階以上角運動參數進行搜索,得到全局最優估計。
  16. This thesis features prominently in its guiding significance for productive practive and organizational reform as it puts forward the comprehensive machinery disposition plan for waigaoqiao nos 2 & 3 - phase projects in the light of the " zero angle " condition of the shore line

    本文最大的特點還在於:它根據外二、外三碼頭岸線無折角的特點,提出了外二、外三綜合機械配置方案,對生產實際及機構改革具有指導意義。
  17. Using orthogonal projective analytic method, the simplified formula of imv was deduced, ignoring the effect of aircraft ' s initial rotational angle, presuming the angle is zero

    利用正交投影解析法推導像移速度公式,忽略了飛機的姿態角的變化,認為飛機的姿態角為零,所以它是簡化的像移速度公式。
  18. This paper studied zero - velocity correct technology for ins, based on analysis of ins error equation, it concluded the method by which we can use ins velocity output to estimate the attitude angle error when the vehicle halted, then it contrasted two schemes of conic approximation of attitude angle error and put forward a method to decide the approximation coefficient by time range

    本文首先研究了車載捷聯慣導系統( ins )的零速修正技術,在分析捷聯慣導系統誤差方程特點的基礎上,推導了停車時利用ins速度輸出估計姿態誤差角的方法,並對用二次曲線擬合姿態誤差角的兩種方案作了比較,提出了按時間分段確定擬合系數的方法。
  19. Based on the rigorous coupled wave theory, the phenomenon that the zero order reflection efficiency of rectangular subwavelength grating varies with the wavelength is studied when incidence angle, azimuth and grating parameters are variant

    摘要從嚴格耦合波衍射理論出發,在不同入射角、方位角和光柵參數下的情況,計算了矩形亞波長光柵零級反射效率隨入射光波長的變化。
  20. 25, the stress distribution angle should be zero. at last, analysis of composite modular by three - dimension finite element is carried out. it considers the effects of different ldr and n. it shows that the values of finite element analysis are well accordance with those of in - situ tests under the working load

    最後,採用三維復合模量有限元法,分析了不同加筋密度和層數對加筋復合地基沉降和加筋墊層應力分佈的影響,指出在工作荷載作用下,有限元分析結果與實測結果具有較好的一致性。
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