相位對消器 的英文怎麼說

中文拼音 [xiāngwèiduìxiāo]
相位對消器 英文
phase canceller
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : 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...
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : 動詞1 (消失) disappear; vanish 2 (使消失; 消除) eliminate; dispel; remove 3 (度過; 消遣) pa...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 相位 : phase position; phase
  1. Secondly the detection precision is only related to the synchronization phase but not to the amplitude of the mainline voltage because that it uses the optimized pulses synchronous with the mainline voltage as modulation signals. thirdly it decreases the requirement of the input low pass filter and eliminates the error resulting from the direct component and even harmonics of load current. the most significant merit is that it can eliminate the effect of a few low order odd harmonics and the detecting circuit is easy to be implemented

    模擬和實驗結果表明該方法的主要優點有:不需使用乘法進行信號調制,調制信號採用與電網電壓同步的優化特定脈沖,其檢測精度只與同步有關,而與電網電壓幅值無關;降低了輸入低通濾波的通頻帶要求,直流和偶次諧波分量檢測精度沒有影響;突出的優點是可以除有限個低奇次諧波檢測結果的影響。
  2. The predistortion, which aims at compensating for the nonlinear distortion caused by the power amplifier, has a good performance in eliminating the nonlinear distortion of am / am & am / pm, improving the aci and spectrum efficiency

    預失真技術是針射頻功率放大非線性而提出的一種補償技術,可以有效除由非線性造成的傳輸信號的幅度和失真,降低信號鄰道干擾( aci ) ,提高頻譜利用效率。
  3. The output of vector hydrophone contains the spatial direction information, in the other word, the output has different phase gradient to signal with different direction

    它是利用了矢量水聽四個陣元的輸出所蘊含的空間方信息,通過一個方向信號延遲的補償減達到此方向信號的抵的目的。
  4. ( 5 ) user management system is built by asp technology on the server - side. user ' s register and logging is accepted and the user permission for different group is designed ( program files referred to appendix 1 ) ; the connection between web server and plastic die material database system realized by ado, odbc technology, which will guarantee the mutual information transportation between the database system and different terminals ; ( 6 ) further study of expert system is discussed and the implementing reasoning base on plastics mould material selection neural networks is put forward and key problems is also discussed. according to the requirements of sustainability, extended knowledge frame of mould selection and track algorithm meeting the requirements of dynamics, history, structuralism, illegibility, unintegrity and uncertainty are verified and corresponding examples are also put forward

    ( 3 )通過ado 、 odbc技術實現web服務與塑料模具材料數據庫系統的連接,從而保證了塑料模具材料數據庫系統和各終端之間信息的雙向傳遞; ( 4 )在服務端利用asp技術建立塑料模具材料遠程選擇優化專家系統交互界面,通過標準數據庫查詢語言,客戶能數據庫中的塑料模具材料信息進行查詢(程序文件列表參見附錄1 ) ;廣東丁業人學1學m學淪義門)在服務端利用sp技術建立用戶管理系統,接受用戶的注冊、登錄求,為不同等級的用戶設定應的權限(程序文件列表參見附錄1 ) ; ( 6 )討論了進一步完善該專家系統所需做的工作,提出塑料模具選材神經網路批理的實現方案,並其中的關鍵問題進行了討論:按照可持續發展的要求,擴展的模具選材知識框架、滿足動忐性、歷史性、結構性、模糊性、個大根性、不硯定性等需求的跟蹤演算法進行了論證並給出計算示例。
  5. Based on these foundations, we give a perfect scheme of the bbo opos : single pass amplification coefficient of the opg under different pump intensity is calculated ; collinear type - i and type - ii phase matching tuning curve pumped by the q switch nd : yag various harmonics as well as noncollinear type - i tuning curve are calculated in details ; the effect of the walkoff for the nonlinear effect coefficient and the group velocity matching are analyzed ; the acceptance angle in parametric process is calculated ; the numerical threshold of the bbo opo is calculated ; the process of the saturation and depletion of the pump beam are analyzed ; the relationship of the conversion efficiency and reflectance of output mirror are discussed ; various linewidth controlling methods are discussed ; the improvement of the beam quality applying the unstable cavity is discussed ; and the crystal bbo design is considered

    在此基礎上,給出了一整套bbo - opo激光參數設計方案:計算了不同泵浦強度下的參量放大倍數;詳細計算了在nd : yag調q激光各次諧波泵浦條件下的共線類和類匹配的調諧曲線,以及非共線類匹配調諧曲線;分析了走離角非線性系數和群速匹配的影響;計算了參量過程的允許角;計算了bbo - opo的理論閾值條件;分析了飽和與泵浦光束的耗過程;給出了轉換效率與超過泵浦閾值的倍數的關系;討論了轉換效率與輸出鏡反射率的關系;討論了線寬控制的各種方法;研究了利用非穩腔改善光束質量的方法;考慮了bbo晶體的設計。
  6. Aiming at the feature of cm interference in power converters, a new approach ? intrinsic dynamic nodes potential balance is proposed. by building node pair with balance potential and making use of the intrinsic stray capacitor of power semiconductor devices, the cm current can be suppressed effectively

    共模干擾建模的基礎上,提出了內在動態節點電平衡的思想,其思路是通過在電路內部構造動態電平衡節點,並利用電路中功率件固有的地分佈電容使得電路中的共模干擾電流互,從而抑制功率變換的共模emi 。
  7. In this paper, the polarization in the fiber - optic depolarized gyros has been analyzed. several aspects are under discussion, such as the polarization evolution in the depolarizer and the single - mode fiber sensing coil, the depolarization in the polarization - maintain fiber, the birefringence and coupling in the single - mode fiber, the nonreciprocal phase error and the output intensity. firstly, the depolarization effect of the lyot depolarizer to the polarized light and the partially polarized light has been analyzed

    本文偏光纖陀螺中的偏振特性進行了分析,包括單模光纖環和中的偏振態演變、保偏光纖的偏性能、單模光纖環的雙折射和耦合、輸出光強和非互易性誤差與偏振態的關系。
  8. We also select the microchip pic16f877 made by microchip co. ltd as a control chip to realize micro - computer control. this system use three separate channel to find out the " across the zero point " of each back - emf. the program use digital filter to wipe off the pwm interferences and the commutating interferences

    系統中採用三個獨立通道分別檢測無刷電機三繞組的反電勢的各自過零點,同時在軟體中採用數字濾波以除其它噪聲干擾,使檢測電路檢測到的反電勢過零點更加準確可靠,實現了置傳感直流無刷電機的數字控制。
  9. A new robust adaptive scheme which are used for tracking of this robot with parametric and bounded external uncertainties is proposed in this thesis. the controller is consist of a controller which is proposed by slotine1 ' 1 and nonlinear continued feedback compensation part. by estimating the unknown physical parameters of robot on - line, it can eliminate the effects result by parameters and external disturbances and guarantee gas and uniform boundedness of parametric estimation. the only information required in setting up the strategy is the output states of jionts, while the inversion of the inertia matrix or estimation the bound of the inertia matrix and measure the jionts accelerations are not needed. it is shown by simulations that the proposed control scheme has quicker convergence velocity and better control precision than paper [ 1 ] and control schemes at present

    該模型具有參數及有界外部擾動不確定性時提出了一種新的魯棒自適應控制策略,控制由基於slotine的控制和非線性連續反饋補償控制構成。通過在線估計機人的未知物理參數,有效的除了由參數及外部擾動所引起的不確定性影響,保證系統達到漸近穩定和參數估計一致有界。與現存的許多控制方法比,該控制策略不需求解慣性矩陣的逆或估計慣性矩陣的界,不需測量關節加速度,而唯一需要了解的只是系統輸出的置及速度狀態。
  10. This product acquires engine crank corresponding phase signal and rotating speed signal, which after ecu treatment, are used together with signals collected from other load sensor ( such as shutter location sensor ) to achieve electronic control over engine ignition timing. compared with mechanical ignition timing control, this is more precise and reliable, resulting in optimized performance of engine in oil consumption, exhaust, output and torque

    Fdw465b型電噴分電總成採集發動機曲軸信號及轉速信號,同其它負荷傳感(如節氣門傳感等)採集到的信號,經電控單元ecu計算處理后,實現發動機點火正時的電子控制,較之機械式點火正時控制更加精確、可靠,使汽車發動機系統的綜合性能得到較大提高,特別是發動機的燃油耗率、排放、輸出功率、扭矩等方面都得到較大優化。
  11. Lengthened the life of wireless sensor network has become critical to widely apply it. the network considered in this paper consists of tiny energy - constrained sensors massively deployed, along with one or more sink nodes providing interface to the outside world. our contribution is to propose a scalable energy - efficient routing protocol in their working process for nodes that are initially anonymous, unaware of their location based on researching predecessor ’ s routing protocols and profiting from their designed thought

    本文針由大量的能量有限的傳感組成的通過一個或多個sink節點作為介面與外界通訊的無線傳感網路進行研究,分析了現有的無線傳感網路網路層路由協議,借鑒現有網路層路由協議的設計思想,在無線傳感網路網路層路由方面提出了一種改進協議,此協議能使初始不確定的,不知具體置的傳感節點在工作過程中能量均勻耗。
  12. The forming mechanism of crosstalks in the tdm system was analyzed theoretically, and the relationship between crosstalks and the extinction ratio of optical pulse modulator used in the tdm system was investigated. the interchannel and intrachannel crosstalks in the wdm system were discussed separately, and the contributions to crosstalks were appraised from architecture ’ s alteration, the finite isolation between channels in multiplexers or demultiplexers, and nonlinear effects in the system. noises in the large - scale multiplexing system were studied theoretically, and all kinds of factors were considered that have relation to noises, phase resolution, and dynamic range of the system, such as multiplexing channel number, the length of the transmission fiber, using in - line erbium - dropped fiber amplifiers or not, and so on

    本文從理論上分析了光纖水聽時分復用系統串擾的形成機理,分析了光脈沖調制光比與系統串擾的關系;分別光纖水聽波分復用系統的異頻串擾和同頻串擾進行了理論分析,研究了光纖水聽波分復用結構、波分復用與解復用隔離度等因素以及非線性效應系統串擾的影響;大規模光纖水聽復用系統噪聲進行深入細致的理論分析,研究了系統噪聲、解析度、動態范圍與復用數目、傳輸光纖長度、中繼光纖放大等諸多因素的關系。
  13. This product acquires engine crank corresponding phase signal and rotating speed signal, which after ecu treatment, are used together with signals collected from other load sensor ( such as shutter location sensor ) to achieve electronic control over engine ignition timing, resulting in enhanced performance of engine in oil consumption, exhaust, output and torque

    該產品採集發動機曲軸信號及轉速信號,同其它負荷傳感(如節氣門置傳感等)採集到的信號,經電控單元ecu處理后,實現發動機點火正時的電子控制,使發動機系統的綜合性能得到較大提高(如發動機的燃油耗率、排放、輸出功率、扭矩等) 。
  14. Two wedge interferometers are designed that the thickness of one is higher than the other. so when the incident coherent light through the interferometers can acquire two fringe patterns which having space shift, but the incident incoherent light only result in consistent intensity signal. through a differentiating amplifier, two signals subtract which can eliminate noise of background and result in higher contrast ratio fringe signals. this method largely improves the system and the ability of detection. the spacing of line fringes is a function of incident laser wavelength, by analyzing, we can extract the wavelength of incident laser. the optical unit analyzing and results also simulated with matlab

    當背景光入射時,直接穿過干涉儀,僅發生強度的衰減,在兩個探測平面上產生幅度基本一致的灰度信號,通過差分放大為零,從而抑制了背景干擾。當激光信號入射,穿過干涉儀時受到調制,在探測平面上產生干涉條紋。通過所設計的存在平均厚度差的雙楔形干涉儀,兩路干涉條紋圖案出現:在兩個探測平面應的置上,一路出現亮紋,另一路出現暗紋。
  15. But how to eliminate the influence of direct coupling signal is the hardest problem when using the induction logging tool and array induction logging tool. based on induction logging, phase induction logging is studied to avoid the above problem, which makes the apparatus ’ s research and manufacturing easier

    因此,在感應測井基礎上提出了測量場的特性的陣列感應測井,避開了在感應測井中非常棘手的直耦問題,大大降低了儀研發的難度。
  16. The experimental results show that the effect of ib is much larger than that of the noise on estimating ionospheic delay, and ib can cause ionospheric delay measurements to include systematic errors of the order of several meters. therefore, one must significantly take notice of ib and remove its negative effect, and should not casually consider ib as part of noise whenever gps data are used to fit ionospheric model or to directly calculate ionospheric delay. ( 3 ) stability of ib is studied with a refined method for separating it from ionospheric delay using multi - day gps phase - smoothed code data

    算例表明,新方法通過採用平均去噪分離方法后處理丞于g陀的電官唇監剝及延遲改正工論與方法的研究平滑測碼數據,求出儀偏差並需要實時處理儀偏差的觀測數據進行預報改止,直接利用觀測值確定電離層延遲量,待估參數少、能除儀偏差的大部分影響,具有較好的精度,可作為waas及其他gps網路系統確定電離層延遲的可行的參考方案。
  17. Therefore somebody put forward the design of achromatic optical phase retarders whose retardation are insensitive to wavelength. due to the less dependence on wavelength, this kind of optical phase retarders have an extensive used perspective

    延遲量與波長無關的延遲稱為色差延遲色差延遲削弱了延遲量波長的依賴程度,有著廣闊的應用前景。
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