角分解器 的英文怎麼說

中文拼音 [jiǎofēnjiě]
角分解器 英文
angular resolver
  • : 角Ⅰ名詞1 (牛、羊、 鹿等頭上長出的堅硬的東西) horn 2 (古時軍中吹的樂器) bugle; horn 3 (形狀像...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : 解動詞(解送) send under guard
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  1. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的類方法在很大程度上能夠消除由於傳感、地物目標觀測方向之間的度變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與類得到決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被類研究和植被定量反演的重要基礎;像元的導數光譜析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並析了模型的適用性。
  2. Abstract : there are only two set values ( 30, 45 ) for interior angle of the stimulated directional power relay as the protection in phase to phase short circuit fault. an accurate setting formula for interior angle of the microprocessor - based directional power relay as the protection in phase to phase short - circuit fault is proposed and analyzed, users can set as a calculation value or at least an optimum in the formula. therefore the operation sensitivity and reliability of the directional relay would be improved greatly. the opinion is new and practical

    文摘:保護相間短路的模擬式功率方向繼電的整定值只有兩個( 30 、 45 ) ,用戶只能在這兩個值中選其一;析並提出了保護相間短路的微機型功率方向繼電的準確整定計算公式,用戶可以整定為該公式的計算值或至少為最合理的值,從而能顯著提高方向繼電的動作靈敏度及可靠性,具有新見及應用價值。
  3. This paper analyses the numerical simulation problems of the semiconductor devices deeply. a one dimensional pn junction diode is worked out satisfyingly by the recursive method with the matlab5. 3 software

    論文深入的析了半導體件的數值模擬問題,利用matlab5 . 3等計算機工具,用三對矩陣方程的遞歸演算法,實現了pn結二極體的一維求,取得了比較滿意的結果。
  4. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控制理論的度進行了析,著重研究了系統中各部的傳遞函數,利用系統開環傳遞函數析了系統的穩定性,同時設計了系統的校正網路;析了二元調寬脈沖再平衡測試迴路的析度、采樣約束以及測試精度等基本問題,並按照系統析的結果設計了包括前置放大、帶通濾波、交流放大、相敏調、脈寬調制、頻標電路以及力矩電流發生等測試系統各部硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部的設計,實現了測試功能。
  5. The synchro / resolver signal transmit & receive card is the most important and difficult part which used special a / d and d / a ( axis angle converter ) to make conversion between the analog singnals related to angle and its digital counterpart, thus solve the issue of stimulation and test of synchro / resolver signal , improved the test precision and automatic degree

    其中同步卡的開發是難點和重點,它採用特殊的數/模、模/數轉換件?軸轉換,實現了位-數字信號相互間的直接轉換,決了隨動系統性能檢測中三相同步信號激勵與同步信號/信號數字化檢測問題,有效提高了系統的自動化程度和檢測精度。
  6. This thesis has introduced the development of the traditional wireless sensor network and current situation at first, then analyzed the principle an framework of the wireless sensor network, and the challenge to the traditional wireless sensor network technology for environmental monitoring, put forward the novel environmental monitoring system based on wireless sensor network technology, have recommended a kind of brand - new wireless node design plan of framework of wireless sensor network and node hardware to be designed and realized, then based on ieee 802. 15. 4 standard, this thesis analysed the design faces the wireless communication protocol stack used in environmental monitoring, have introduced the realize of physics layer, data chain layer, network layer, application layer. have solved the wireless sensor network data sampling, systematic energy - conservation optimize, this thesis summarized the preceding work finally, have looked forward to the development, application and commoditization in the future

    本文首先介紹了傳統無線傳感網路的發展概況及現狀,然後析了無線傳感網路的原理與架構及其在環境監測對傳統無線傳感網路技術的挑戰,接著本文提出了新穎的基於無線傳感網路技術的環境監測系統架構設計,介紹了一種針對大氣環境監測的全新的無線傳感網路節點的構架設計方案以及節點的硬體設計和實現,然後本文以ieee802 . 15 . 4標準為基礎析設計了面向環境監測應用的無線通信網路協議棧,從工程度介紹了物理層、數據鏈路層、網路層、應用層的設計實現,決了無線傳感網路節點的數據採集、節點互聯以及系統節能優化等問題,最後本文總結了前面的工作,展望了基於無線傳感網路技術的環境監測系統在未來的發展方向和應用方式等幾個方面的發展遠景。
  7. Along with the progress of drilling technology, many new types of bha such as steering motor assembly, dropping assembly with eccentric bend sub, dropping assembly with flexible connection are developed based on common building, dropping and holding assemblies. for using these bha, a new mathematical model is put forward for 3d static analysis of these types of bha under small deflection. and its weighted residual solution is given. the mathematical model includes ( 1 ) differential equations ; ( 2 ) boundary conditions at drill bit, stabilizer, bend angle, diameter change, tangential point and borehole wall ; ( 3 ) lateral forces and deflection angles of bit. the software based upon this method runs well

    為了更好地應用各種新鉆具,建立了適用於對普通下部鉆具、導向鉆具、帶偏心彎接頭和柔性接頭的下部鉆具進行三維小撓度靜力學析的數學模型,包括( 1 )微方程; ( 2 )鉆頭、穩定、彎、變截面、切點和井壁的邊界條件; ( 3 )鉆頭的側向力和鉆頭轉.給出了該模型的加權余量.用該方法編寫的軟體應用效果良好
  8. And more aperture extension is achieved in this novel esprit - based two - dimensional angle estimatio n scheme using a uniform rectangular array of vector hydrophones spaced much farther apart than a half - wavelength. this proposed scheme and the attendant vector - hydrophone array outperform a uniform half - wavelength spaced pressure hydrophone array with the same aperture and slightly greater number of component hydrophones by an order of magnitude in estimation standard deviation

    結合實際的應用情況,對矢量水聽構成的陣列進行了初步的探討,利用本文前面部析的基於單矢量水聽的方法,實現了陣元間距突破半波長上限的局限,並決了度估計的循環模糊問題,以較小的硬體代價和運算代價實現陣列孔徑的擴展,提高估計精度。
  9. The main context of this paper is improving the precision of the disseminator. through analyzing the motion and construction parameter, making sure of the factor of working property, the motion equations of seed were established, and then the mathematical patter of main parameters were established. using of vb, we compiled procedure to simulate the motion of seed in the working process, finding the main factor that affect on the working property of the disseminator, then optimal designing of parameters of the device was laid

    通過對排種輪的充種極限速度、清種始、護種始、排種的投種口尺寸、型孔的尺寸等運動參數和結構參數進行析,總體了排種結構參數和運動參數對其工作性能的影響,建立種子的運動方程,進而建立各主要參數(充種速度、清種、護種等)的數學模型,運用計算機輔助析( caa )方法,通過visualbasic編製程序,對排種工作過程中種子的運動進行動態模擬,找出影響排種工作性能的主要因素,並對其參數進行優化,為合理地優化設計奠定了基礎。
  10. ( 2 ). according to the system indices and requirements together with the technology characteristic, it researches the capture possibility of apt capturing system. then it introduces the common scan methods, such as raster, spiral, raster spiral, rose and lissajo. ( 3 ). it makes a detailed simulation analysis of the raster and spiral scan, analyze the connection between capture probability, capture time, system index at different capture resolution angle, capture range, vibration angle extent and terminal location distributing mean square deviation

    其中對幾個關鍵部進行了詳細析:計算了目標反射的激光雷達散射截面( lrcs )值,研究了qd與ccd對目標位置度的計算方法和空間析度; ( 2 )根據系統指標和要求並結合現有國內技術特點研究了apt捕獲系統掃描的捕獲概率問題,然後析了幾種常見的掃描方式:矩形( raster )掃描、螺旋( spiral )掃描,矩形螺旋( rasterspiral )掃描,玫瑰形( rose )掃描以及李薩如形( lissajo )掃描; ( 3 )對行掃描和螺旋掃描進行了詳細的模擬析,析了它們在不同捕獲、捕獲范圍、振動振幅和終端位置佈均方差時的捕獲概率、捕獲時間與系統常數之間的關系。
  11. Not only can gain mismatch of the sigma - delta modulator be minimized, but the overload of the later stage sigma - delta modulator can also b e resolved without sacrificing the signal noise ratios ( snr ) of the over all system

    不僅可以減輕積調變增益不匹配之困擾,並且可以決后級積調變容易過負載之問題;然而,卻不會讓整體系統的訊號雜訊比( snr )降低。
  12. The signal is interpolated to 1024 parts by single - chip computer, this acquires high interpolation times, and the resolution and the accuracy of absolute photoelectric rotaiy encoder are improved as well

    經單片機軟體細,可獲得較高的細倍數,進而提高了絕對式光電軸編碼析度和精度。
  13. It is difficultly to enhance the resolution of encoders if commonly depending on thinner engraving grating. therefore, at present, the primary technology to improve the encoders " resolution is the interpolation technology of the moire stripe signal

    由於單純依靠製造上刻劃更細的光柵來提高光電軸編碼析度是很難實現的,目前普遍採用光電信號細技術來提高光柵系統的精度和析度。
  14. The computations are shown to agree well with available experimental and numerical data and the physics of 3d large - scale flow separations and vortex shedding are confirmed. the simulation of the flow around a maneuvering wigley hull is a demonstration of capability for calculations of sway forces and yaw moments acting on a hull moving obliquely at a large range of yaw angles. the focus of study is large - scale cross - section separation flows, bilge - vortex development along the hull in the longitudinal direction and their effects on hydrodynamic forces

    應用所開發的求,以wigley船型為算例計算了大度斜航船體粘性流場和水動力,析了漂的變化對船體所受到的粘性水動力的影響,相當精確地預報了以橫流離和般渦生成與泄出為特徵的操縱運動船體特有流動形態及橫向水動力和轉脂力矩,經與現有試驗和計算數據比較,檢驗和驗證了該求精確模擬繞斜航運動船體的大尺度離流動和計算非線性水動力的能力。
  15. The interpolation errors of the moire stripe signal have worked on the whole precision of encoder greatly for high - resolution, high - accuracy photoelectric rotary encoders. however it ' s difficult to measure the resolution errors under the conditions of smaller grating pitch and many interpolations

    對于高精度、高析度光電軸編碼來說,光電信號細誤差對光電軸編碼整體精度的影響很大並且在光柵節距較小、細份數較多的情況下,辨力誤差很難檢測。
  16. Signal forming and different demodulation of gmsk baseband signal are mainly discussed in the dissertation. gauss filter, phase integral, sin table, matched filter, calculate angle, bit - synchronization 、 output filter 、 a / d 、 d / a and etc of gmsk baseband signal are carefully studied through software emulation in systemview environment. the modulation and demodulation of gmsk baseband signal are carried out by the way of using tms320vc549 of ti to integrate software and hardware

    本文重點討論了gmsk基帶信號的形成以及gmsk基帶信號的差調,系統在systemview的環境下進行了軟體模擬,通過對系統的模擬工作,仔細的研究了gmsk基帶信號的高斯預濾波、相位積、 sin查表、匹配濾波、相計算、位同步、幀同步、輸出濾波、 a / d和d / a等。
  17. A design method based on the decomposition and multiplexing technique of complex instruction, combined the decoding arithmetic of instruction and a step counter together, sub - step realization method of multiclocks is proposed. the similarities and differences of architecture between fsm and multi - ? ocks are discussed from two aspects, timing and state space

    提出了執行周期復用的指令、指令寄存與步長計數聯合譯碼,以及多時鐘同步的控制流設計方法;進而從時間和狀態空間兩個度深入討論了控制流設計中狀態機和多時鐘兩種常見體系結構的異同。
  18. This thesis developed an algorithm to reconstruct the wavelet coefficients of an image from the radon transform data. this algorithm is similar to the conventional filtered backprojection algorithm, except that the filters are now angle dependent, and the backprojection gives us the wavelet coefficients of the reconstruction, which are then used to synthesize the reconstruction

    該演算法與傳統的濾波反投影法相似,不同的地方在於,演算法中用到的濾波是與x射線的照射度相關聯的,而且反投影后得到的是待建圖像的小波系數,這些系數再經過逆小波變換就得到了最終的重建圖像。
  19. The nonlinear decoupling method applied on full, hi - fidelity aircraft analysis model was unprecedented, many technique, such as disassemble - design, assemble - apply, multi - grade decoupling, were used so that the nonlinear decoupling method can be used on such a complex model. the successful design of a roll angle and overload decoupling controller show that the nonlinear decoupling is a feasible method for engineering application

    非線性耦方法在高真實度的完整飛機系統析模型上的應用在國內尚屬,文中採用設計、組合應用、多級耦控制結構等方法,決了非線性耦方法難于應用於復雜系統的問題,成功地設計了滾轉及過載耦控制,達到了較好的控制效果,為工程設計提供了新的途徑。
  20. Then after summarizing the development of bill - of - material system, the generic bill - of - material was used to representing the product family structure for mass customization. the configuration model based on the gbom and cbr was established under the direction of the independence of product model and configuration. and the process of case indexed was described from the point of view of the disassembling product function and product structure

    首先綜述面向大規模定製的產品設計技術( designformasscustomization , dfmc )的理論基礎,在探討產品結構化方法發展過程的基礎上,確定創成式bom方法為mc模式下產品族結構的描述方法;然後析了產品配置的原理及配置的推理方法,在產品模型與配置離思想的指導下,提出了適用於mc模式的基於gbom和cbr的產品配置方法,並從產品功能和產品結構度描述了實例檢索過程。
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