方位穩定器 的英文怎麼說

中文拼音 [fāngwèiwěndìng]
方位穩定器 英文
azimuth stabilizer
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : 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...
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 方位 : position; bearing; direction; points of the compass; placement
  • 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
  1. Electric - controller is nubbin in developping. we are based on designing to structure of circuit, we are dead against in time and stabilization for controlling and communications, precision and rapidity for transformation etc. we have completed to select on microprocessor, clock - frequency and a / d transfer. it carry out transformation for valve position signal, and select on solid - switch ac

    在控制的電路結構設計的基礎上,考慮到通訊、控制的及時、、轉換的精度和速度等幾面,主要完成對微處理的選擇、時鐘頻率和a d轉換的選用,閥變送功能的實現,固態交流開關和顯示的選擇等。
  2. 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 )和置環構成的系統中,速度環的參數隨負載特性;電網電壓;給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 .因此在設計置環的離散滑模控制時,必須針對速度環(即置環的控制對象)的參數攝動范圍採用「對象參數攝動離散滑模控制的設計法」 ,以確保系統在參數攝動時的性和快速、無超調、準確的優良動態品質.為剖析該設計法的控制效果,本文作了對比性研究,並將該設計法用於工業試驗中,取得了滿意的結果
  3. The three - order modulator has a 2 - 1 cascaded structure and 1 - bit quantizer at the end of each stage, the modulator is implemented with fully differential switched - capacitor circuits. and then, the discussion will begin by exploring the design of various circuit blocks in the modulator in more detail, i. e., ota, switched - capacitor integrator, quantizer, two - phase non - overlapping clock signal, etc., at the same time, these circuits will be simulated in spectre and hspice. at last, the whole cascaded modulator will do behavioral level simulation by matlab soft and simulink toolbox

    本論文中,首先介紹模數轉換的各種參數的意義,以及一階sigma - delta調制和高階sigma - delta調制的原理;給出解決高階單環sigma - delta調制性的案,引入級聯結構調制,特別針對級聯結構調制中的失配和開關電容積分的非理想特性進行詳細的討論;本設計的sigma - delta調制採用2 - 1級聯結構和一量化,調制採用全差分開關電容電路實現;同時對整個調制的各個模塊進行了電路設計,包括跨導放大、開關電容積分、量化、兩相非交疊時鐘等,並利用hspice和spectre模擬工具對這些電路進行模擬測試;最後,利用matlab軟體和simulink工具對整個級聯調制進行行為級模擬。
  4. Thirdly, the paper discusses the driver of the peripheral equipment, how to port the uc / os - n and uclinux, h. 323 protocol and the application of the system in the digital speech classroom. also some software and hardware measure are adopted to enhance the system stability. at last, the shortcoming and the something to be improved are given. dsp can be used to realize real - time speech coding algorithm, and after porting ( ac / os - n, arm can manage the keyboard, the lcd and the ethernet peripheral etc. then the embedded network system with specific purpose can be used in others fields, such as pda, set of top, web tv, ect

    在實際設計實現中,為提高系統軟、硬體整體性和可靠性,使用了以下幾種法: ( 1 )低電壓復、抗電源抖動能力、增加時鐘監測電路、抗電磁干擾能力、散熱等技術; ( 2 )多層pcb設計,線路板結構緊湊,電源部分採用數字5v 、 3 . 3v 、 3v 、 1 . 8v和模擬5v多電源供電; ( 3 )選用表面貼和bga封裝的件; ( 4 )按照軟體工程的要求進行系統分析,規劃系統框圖、流程分析、模塊劃分,減小了不同模塊的相關性,從而最大限度避免了錯誤的發生。
  5. Secondly, in phase unwrapping to overcome the spread of wrong point, changing the patch of unwrapping phase is done to improve the correctness of it. then, the relation between the unwrapping phase and the height of reconstructed object is discussed detailedly. the data processing, algorithm analysis and reconstructing object are done for the collecting fringe image which are all based on matlab language, in all these achievements, the improvement and innovation aspect are following : a ) in order to stabilize the interference fringe, a new equivalent shifting object method is presented by using fringe stabilizing device to stabilize the interference fringe though moving object and ccd camera which fixed on a precise moving platform together, the experimental result shows the fringe drift is less than a / 20 in five minutes, and the equivalent phase shifting precision is x / 100

    論文在全面闡述了光學三維輪廓相測量術的發展、應用現狀、研究熱點及未來發展趨勢的基礎上,簡要介紹了傅立葉變換和相移相輪廓測量術的基本原理,對兩種測量法存在的問題及誤差進行詳細分析和比較;針對相解包裹錯誤點的傳播問題,作者通過改變解包裹路徑來提高相解包裹的正確性;分析討論從解包裹相( x , y )到再現物體的高度h ( x , y )物理量之間的關系,研究相應的演算法,利用matlab平臺,對實際採集的條紋圖像進行處理和輪廓重構,其中改進及創新工作主要表現在以下兩個面: ( a )針對干涉型結構光場干涉條紋出現的漂移抖動對相移的影響,提出了一種用條紋干涉條紋,用精密移動平臺使物體和ccd攝像頭同步移動實現等效相移的法,建立了相應的測量系統,系統的條紋可以達到。
  6. Although this method gives high sensitivity, the radioactive labels present many problems such as a potential hazard to analyst and environment, which limited its application in dna diagnostic laboratories. in order to overcome these problems a serious of non - radioactive dna probes such as fluorescent, chemiluminescent and electrochemical probes have been developed. although these new methods display many advantages, they have not been used to take place completely the traditional method because of low sensitivity or complex equipment or other shortcomings

    自20世紀80年代以來,各種非同素如酶、熒光素、生物素、地高辛標記的化學發光法和熒光分析法以及以電活性物質做標記的電化學法相繼問世,這些法雖然在一程度上克服了同素標記的缺陷,但由於存在靈敏度不夠高或檢測系統龐雜或儀價格昂貴或標記物不等缺陷,還不能完全取代傳統法。
  7. The stability output second harmonic generation ( shg ) experiment results of single - longitudinal mode and multi - longitudinal mode with long cavity were explained reasonably with these rate equations. the high polarization of fundamental wave in the isotropic laser media nd : yag with type - i critical phase - matching lbo was studied with the rate equations including polarization of fundamental light. using the polarization function of lbo, a quartz full - wave plate was introduced into the cavity, a kind of birefringent filter by considering the combination of the polarization function of the type - i critical phase - matching doubling frequency crystal lbo and the quartz whole - wave plate was constructed

    將腔內多縱模倍頻速率程推廣應用到準三能級藍光激光中,分析了一個縱模、兩個縱模、多個縱模時的噪聲情況,合理地解釋了實驗中激光單縱模運轉以及長腔多縱模運轉時輸出的實驗現象,同時利用該速率程分析了以各向同性激光晶體nd : yag為工作物質,類臨界相匹配lbo為倍頻晶體的藍光激光中基頻光偏振特性,合理利用類臨界相匹配lbo倍頻晶體的偏振特性與引入的石英晶體全波片構成雙折射濾光片,通過選單頻來抑制噪聲,獲得了藍光低噪聲的輸出。
  8. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光的發展狀況、主要特性及其應用,從四能級速率程出發,推導了ld泵浦nd : yag激光的閾值、輸出功率和斜效率的表達式,並簡述了激光的工作原理、結構型式和倍頻法;其次,以空間相關的速率程為基礎,提出了ld端面泵浦nd : yag激光的設計法,給出了一泵浦耦合式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光和透鏡組耦合高功率ld泵浦nd : yag激光,對激光的輸出功率和功率性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光以單縱模運轉;最後,根據泵浦光焦斑端面置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光移傳感新法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學論文蕩光束腰半徑時,激光輸出功率的自然指數與泵浦光焦斑的縱向置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光移傳感的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  9. Gps is a planet wireless conductance system which is global and all - weather, gps can offer high precision time orientation information to infinite user, clock precision reachs 10 ? 6 magnitude 。 not only changes traditional time method of quartz crystal clock, but also replaces wireless shortwave and even more lowfrequency signal and tv signal whose overlay range is limited and low precision, offers advantage to geology field task, achieve automatization and high precision of seismic flow observation

    利用gps授時信號全、全天候、連續性、實時性和高精度的特點,以gps信號為基準來校準本地時鐘(晶體振蕩時鐘或原子鐘) ,將gps接收機輸出信號的長期度和恆溫晶振的短期度相結合,應用大規模可編程邏輯件,設計和實現了由pc104控制的實時在線授時系統。
  10. The simulation results show that the controller is available in improving the control effect, and it can save energy than traditional tower fan sequencing control strategy

    結果表明該上機控制具有較好的控制性,並且比常規的風扇轉速及臺數控制式更節能。
  11. The clamps should be stable, the clamping force should be in normal direction to the support surface

    5夾緊可靠,夾緊向按面法線向。
  12. We prove theoretically that under certain reasonable assumptions the formation is asymptotically stable even wills bounded disturbances ; that is, the proposed sliding mode controller can asymptotically stabilize the errors in relative distance, relative bearing and heading direction, respectively

    在合理的假設下,從理論上證明了存在有界干擾情形下機人編隊的漸近性,即所設計的滑模控制使得相對距離誤差、角誤差及運動向誤差漸近
  13. The synchronous rectifying and low power sampling technology is used to reduce the power consumption, flexible external loop compensation, error amplifier output clamp are adopted for better system large signal response. the piecewise slope compensation technology is employed to minimize the consequence of over compensation. the sensor resistor is externally connected, which realize output voltage programmable. the overheat protection and under voltage protection modules are integrated in the die to allow the reliable operation of the system

    同時,電路設計採用同步整流技術、低功耗電流采樣技術降低功耗,提高轉換效率;採用靈活的外部環路補償技術、誤差放大輸出嵌技術以實現良好大信號特性;採用分段斜坡補償技術,消除不因素,並最大程度地減小過補償帶來的問題;採用外接輸出采樣電阻的式,實現輸出電壓的可編程。
  14. Sb2015 - 3 precision decade dc resistance box adopts high voltage glass glaze resistors and special high voltage seal switch. its electric performance is very stable and insulation intension is very high. the resistance value can be adjusted under the condition of ceaselessly opening voltage ( note : the using switch should not be at the point of 0. ) it is easy to operate and suitable to be used to calibrate insulation resistance meter, and suitable to be used as high resistance standard

    3型精密十進直流電阻箱採用高壓玻璃釉電阻及獨特的高壓密封開關,電性能可靠、絕緣強度高、可在不斷開測試電壓的條件下調節電阻值(正在使用的那隻開關不處在「 0 」置時) 、操作便,適用於檢/校準絕緣電阻表,也可作為高阻標準。
  15. Sb2015 - 2 precision decade dc resistance box adopts high resistance superfine glass silk and special high voltage seal switch. it electric performance is very stable and insulation intension is very high. the resistance value can be adjusted under the condition of ceaselessly opening voltage ( note : the using switch should not be at the point of 0. ) it is easy to operate and suitable to be used as dc resistance standard to calibrate insulation resistance meter

    2型精密十進直流電阻箱採用高阻玻璃微細絲電阻及獨特的高壓密封開關,電性能可靠、絕緣強度高、可在不斷開測試電壓的條件下調節電阻值(正在使用的那隻開關不處在「 0 」置時) 、操作便,適用於檢/校準絕緣電阻表,也可作為直流電阻標準。
  16. Although there have been many application instances in the field of input / output device technology, we need an specific project and technology route aimed at an given application. in this thesis, we combine the introduction and analysis of relative technology to describe the accomplishment of a coordinate collecting device which is based on incremental rotary encoder. this device is an specific device applied to collect the corrdinate displacement of ground image ’ s three - dimensional model created by full digital photogrammetric station. cpld chip and vhdl are applied in this device to carry out the following work : phase control of the electrical pulse created by incremental rotary encoder, counting the number of electrical pulse, controling the state of signal processing circuit, exchanging data between this circuit and pci control

    本文結合相關技術的介紹和分析,描述了一個基於增量式旋轉編碼的坐標參量採集介面卡的實現,此介面卡是一種用於採集全數字攝影測量系統地面影像模型坐標移量的專用設備,該設備採用cpld件和vhdl語言實現增量式旋轉編碼的脈沖信號鑒相和計數、信號處理部分的狀態控制以及和pci總線晶元ch365之間的數據交換和通信功能,同時該設備的驅動程序基於wdm模式,並且配置有結構良好的動態鏈接庫程序作為系統軟體和驅動程序之間的數據和控制交互中間介面,能夠便地運行在windows98 / 2000 / xp操作系統平臺上,具有實時性強、工作、通用性較好和性價比高等特點。
  17. In the structure of downhole assembly for steering well drilling, the selection of tool stabilizer, upper stabilizer and calculated outside diameters, the selection of screw bending angle have influence on the side force of azimuthal increase and decrease, it can be used for evaluating the deflecting characters of steering drilling, analyzing and designing the steering downhole assembly

    摘要在導向鉆井鉆具組合結構中,本體、上的選用與計算外徑,以及螺桿彎角的選用,對用全力增、減時的側向力有影響,可用來評價導向鉆井鉆具造料特性,分析和設計導向鉆具組合。
  18. Based on whole design, this essay adopts gps technology to make the key component in taximeter - orientation module, compiles corresponding software, and makes adjustment and experiment. also it has done a profound research in district - identification arithmetic, that is improved radian arithmetic, and it is verified by matlab. we adopt anti - interference measures in both hardware and software to ensure communication reliability and working stability

    在確總體設計案的基礎上,本文採用gps技術研製具有區域識別功能出租車計價中的關鍵部件? ?模塊,編制了相應的運行軟體,並進行了調試和試運行試驗;對區域識別演算法進行了深入研究,提出了區域識別的演算法?改進弧長法,並運用matlab軟體進行了演算法驗證;為了保證通信的可靠性和工作的性,從軟、硬體兩個面採取了抗干擾措施。
  19. Fourth, carry on the basic principles such as integrating law over the whole country, steady pattern of managing system, self - governing by residents, etc. fifth, it is necessary to establish the basic rules of estate management law which may include establishment of mutual rights and obligations between the company and residents, and ascertain the procedure of disputes, etc. the rationalization of estate management as an important matter concerning the national economy and the people ' s livelihood can benefit the prosperity and stabilization of towns

    第五,物業管理法的基本內容應包括以下五個面:確物業管理關系中各個主體的法律地和相互之間的權利義務關系;確立物業管理的基本原則,解決物業管理立法的指導思想問題;規范公共契約;確糾紛處理規程。物業管理市場的規范運作有助於城市的繁榮與,對全社會起著最基本的的作用,是關系國計民生的大事。
  20. The accurately controlled signal source generates sinusoidal elastic wave accurately controlled in frequency and stable in phase to " illustrate " underground media. time signal stacker receive signal by stacking and doing fft to measure the transfer function of media. " sompi " cepstrum method retrieve group velocity travel times and decayed factors of wave element from observational data of transfer function in a limited frequency window

    精密可控震源用於產生頻率精確相的正弦彈性波以照射地層內部,信號疊加通過對接收信號進行疊加和進行傅立葉變換的式實現對介質傳遞函數的精密測量, 「存否」倒譜法能夠根據一段窄帶頻域傳遞函數數據獲得時域上各個波成分的群速度傳播時間和介質衰減因子。
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