穩定的載波 的英文怎麼說

中文拼音 [wěndìngdezǎi]
穩定的載波 英文
stabilized carrier
  • : 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...
  • : 4次方是 The fourth power of 2 is direction
  • : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • 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...
  • 載波 : signal carrier; carrier wave; carrier: 3路載波 three channel carrier載波傳輸 carrier transmission...
  1. Technique of transmitting data via power line ( pl ) , a new technique developed in recent years , is used to automatize the free collecting system in public service and the management of uptown service 。 this article discussed the advantage , disadvantage and the current state of the power line carrier communication 。 the advantage , method and current state of using spread spectrum technique in power line communication are discussed 。 then the characteristic of low voltage power network was also compendious analyzed 。 in this paper , after introducing the principle of ssc , design of hardware and software of the system are been discussed 。 this system has been put into use , the result has proved its high stability and reliability

    本文研究旨在提供一種利用低壓電力供電網路、低成本、高可靠地實現公共事業收費自動化和小區物業管理智能化技術應用。討論了電力線通信優、缺點及現狀,擴頻技術在電力線通信應用優點、方式和現狀,並對低壓電力線網路特性進行了簡單分析。在闡述了擴頻通信基本原理基礎上,本文詳細地介紹了電力遠程抄表系統具體實現,包括硬體模塊和管理軟體本系統已投入運行,具有較高性和可靠性。
  2. Whatever it is radar, eccm equipment, communication equipment or instrument, frequency source with high stability is needed to guarantee the quality of carrier signal

    無論是雷達、電子對抗,還是通信、儀器設備等都需要高頻率源,以保證信號質量。
  3. The novel vertical carrier - free linear cluster system phoebus for the economical deposition of amorphous and microcrystalline silicon light absorbers by pecvd ideally combines the strengths of proven vacuum production platforms to precisely focus on the needs of solar cell producers : process stability, productivity, yield, footprint, costs of ownership

    立式無體線團系統」菲斯」 ( phoebus ) ,以pecvd方法經濟地鍍膜無和微晶硅吸光體,理想地結合各種證明可靠真空生產平臺優點來精確聚焦于滿足太陽能電池生產者需求:工藝性,生產效率,合格產量率,佔地面積和擁有運營總成本
  4. Dynamic loading is produced by seismic forces, non-steady wind, blast, reciprocating machinery.

    動荷是由於地震力、不風、沖擊,往復式機器所產生。
  5. Because of the temperature rising of ultrasonic motors, load changes, and vicinal surrounding changes and so on, the resonant frequency will shift, leading to working stability drop

    由於超聲電機溫升、負變化及周圍環境變化等原因,使電機諧振頻率發生漂移,這將影響超聲電機運行性。
  6. Firstly, the methods to restrain the effect of ship swing are studied for two - axes shipbome radar. two different methods based on ship rectangular frame and inertial frame are proposed separately according to consistence of radar base angle and beam angle

    本文首先研究了艦兩軸雷達系統抑制船搖方案,對雷達天線轉角和束轉角一致和不一致情況,分別提出了基於甲板坐標系和基於大地坐標系不同方法。
  7. The harmonic circulating current balancing is an important factor in the parallel operating control for it makes the units of the system to get. an equal power factor and makes foundation for the system to work stable and reliable

    並聯電源系統環流均分控制是實現負失真功率均分,保證各並聯單元輸出功率因數均衡,保證並聯系統可靠工作一個重要方面。
  8. In this paper, the drive theory of the large ratio friction transmission is studied ; a new type elliptical cam wave generator is designed ; the large ratio friction transmission prototype is designed and manufactured ; based on the ansys finite element method software, structure of the elliptical cam is analyzed ; precision index of the manufactured large ratio friction transmission prototype, such as transmission accuracy, least step, stability of the least step, load capacity is measured by the absolute rotary encoder. by analyzing the measurement data and research content, it is think that the new elliptical cam wave generator could overcome a good many problems brought by processing errors, facilitate size precision adjustments, input moment can be achieved in the form of a pure force couple importing ; through this study, " the large ratio friction transmission prototype " could apply in practical engineering basically

    本文研究了大速比摩擦傳動傳動理論;設計了新型橢圓凸輪發生器,設計製作了大速比摩擦傳動樣機;用軟體ansys對所設計橢圓凸輪結構進行了有限元分析;用19位絕對式編碼器測試了大速比摩擦傳動機構傳動精度、最小步距、最小步距性以及帶負能力等各項精度指標;對測量數據和研究內容進行了歸納和整理,認為新型橢圓凸輪發生器克服了加工誤差帶來諸多問題,新型橢圓凸輪發生器可以進行尺寸精度調整,能夠達到輸入力矩以純力偶形式輸入;通過本項研究,基本可以使「大速比摩擦傳動機構」在工程中得以應用。
  9. In airborne synthetic aperture radar ( sar ), antenna stabilization platform is used to isolate antenna pointing, which is stabilized through controlling the platform axis ' rotation, from the vehicle ' s varying attitude and dynamical vibration

    摘要機合成孔徑雷達中,天線平臺用於隔離姿態變化和機械振動對天線指向影響,並通過伺服系統控制平臺支承軸轉動束指向。
  10. In the paper, prescale technology, interpolate method, averaging method and multiple period synchronization method are used to measure the frequency accurately. diode demodulating technology, and power attenuated method or probe coupling & water load technology are employed to measure the power of high power microwave. isothermal technology is used to improve the stability of demodulator and to expend the range of square linear region

    本文採用預分頻法、內插法、多周期同步法、平均法實現了頻率精確測量;利用二極體檢技術,結合衰減法或探針耦合+水負技術實現了大功率微功率測量;採用恆溫技術提高了二極體檢度;完成了單片機串口通信協議設計和系統電磁兼容分析和設計。
  11. Using its two characteristics - fully automatic and rapid, this system can accomplish simultaneous, rapid, stable and repeatable matching with the load impedance, especially the dynamic load impedance ( eg : plasma load ). at the same time, it maintains the reflection coefficient at the desired value ( eg : 1. 2 ) to assure that the microwave transmission is at its best

    此系統可利用它全自動化和快速特點,實時為負尤其是動態負(比如:等離子體負)提供快速,,可重復匹配,自動將反射系數保持到工程理想值,從而實現微功率最佳傳輸。
  12. The possible factors including the deviation of temperature in length and breadth of rod, the changes of transfiguration resisting force under the changes of temperature, the adjustment of roll gap, the variation of rolling pressure, the changes of roller speed during dynamic adjusting press, the unmatched of seconds - flux under the dimension fluctuation of the coming sample and so on. the whole system was a closed loop which factors in it interacts each other

    可能影響因素有:沿軋件縱橫向溫度變化、由溫度引起軋件變形抗力變化、軋機輥縫值變化、負變化、電機調節系統由不過渡過程中軋輥轉速變化(如咬鋼過程中動態速降后回復階段) 、來料尺寸動造成秒流量不匹配等,整個模擬系統是各個因素相互影響關聯一個閉環系統。
  13. This kind of instability bulk movement is induced by wave cyclic loading, as a result the slope of bottom bed decrease, water depth increase, and instability bulk movement has the character of subregion, regularity and head erosion, thus it will influence evolvement of region of interest landform, and change flow field and bottom stratum condition continually, so will lead to dynamic influence on structure foundation soil

    這種不塊體運動由浪循環荷誘發,其結果使底床整體坡度減緩,水深加大,而且不塊體運動具有小區域、多發性和溯源侵蝕特點,將繼續影響著海域以後水深地形發展演化,並不斷改變著該區流場與底床地層條件,對構築物地基土性產生著動態影響。
  14. According to the proposal, two millimeter - wave phase locked sources are locked on a crystal oscillator. the one of the phase locked source is used for steady carrier wave in transmitter, the other is used for local oscillator. through the proposal, coherent transceiver front - end is achieved

    本方案採用同一晶振源為收發兩個毫米鎖相源作參考頻率,其中一個鎖相源用於產生高發射頻率,另一個用於產生高本振信號,從而實現收發相參性。
  15. The power angle characteristics are acquired and compared with the unsaturated curves. it is concluded that the stability limit of the power angle is less than 90 degree. reactive power regulating curves are calculated and compared with those curves when saturation effect is not considered, the result is that u type curves are deviated to the right

    通過對同步發電機各種運行曲線計算,在已有文獻基礎上更進一步分析了鐵磁材料飽和以及磁場畸變對同步發電機運行特性和參數影響;求出了空特性曲線和零功率負特性曲線,在不同電樞電流下計算得到梯電抗不同;求出了功角特性曲線,與不計飽和時功角特性曲線相比較,功角極限小於90 ;求出無功調節曲線,與不計飽和時相比較, u型曲線向右偏移。
  16. The inverted pwm changing electric current the technique is applied in the prototype model. the prototype model was tested and operated on spot, power factor could reach beyond 0. 95, the effect of following modulating voltage was better, the curve of factor of modulated voltage of exchanging systems changed following load rate was linear, the output of wave form was a flat and steady sinusoidal wave

    樣機採用了逆變式pwm變流技術,對其進行了現場測試與試運行,測試結果是電網側功率因數可達0 . 95以上,跟蹤調壓效果良好,變流系統輸出調壓系數( k )隨負率( p )變化曲線基本滿足直線關系,輸出形呈平滑正弦
  17. The steady solution of nonlinear ship motions in oblique seas can be gained by adopting the new technique presented in this thesis. this work promotes the application of theoretical prediction methods of nonlinear ship motions and wave loads

    本文提出新方法可以保證獲得斜浪中船舶非線性運動周期解,從而進一步完善了斜浪中船舶非線性運動預報和荷計算工程實用方法。
  18. On the basis of simplified calculation model presented by doctor wangxiaoping, some finite element models are set up. by finite element model program sap93, an analysis of static models of 18m - span and 30m - span w666 acmr in different supporting conditions is made. also a study on the relation between definite support displacement, which reflect variational stiffness of substructure represented by steel column or reinforced concrete column, and load - carrying capacity mechanical performance is made too

    本文以w666金屬拱型紋屋頂為研究對象,沿用王小平博士簡化計算模型,對18m 、 30m跨紋拱兩端不同支座形式(鉸支、固支和彈性支座)分別利用有限元計算程序sap93進行計算分析,研究紋拱在不同跨度,不同支座形式下,不同外荷作用時對該結構受力性能及影響,同時分析下部支承鋼柱、鋼筋混凝土柱剛度變化體現為允許支座位移大小與結構受力性能及力之間關系。
  19. Finally, a large number of experiments are done in this paper, such as the experiments of constant voltage and constant frequency, the current waveform of rotor, different carried - wave ratio, the transition smoothly and connecting electricity web etc. the theoretics and experiments results show that the design of control system is rational, terse and steady ; the analysis of control strategy and system experiments are successful basically

    最後,本文對系統進行了大量試驗研究。其中主要包括:恆頻恆壓,轉子電流形,不同比,同步速過渡及其並網試驗等。理論及其試驗結果表明:本控制系統設計是合理、簡潔、;控制策略分析和試驗基本上是成功
  20. As we know, support at the both straight edge of acmr is a elastic support between the hinged support and fixed support, and its stiffness is variational. so the relation between support stiffness and load - carrying capability of acmr is worth to be studied

    眾所周知,實際工程中紋拱兩端直邊支座處于鉸支和固支之間,屬一彈性支座,其彈性剛度是變化,支座剛度與紋拱結構受力性能及力之間關系是一個非常值得研究課題。
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