wave loop 中文意思是什麼

wave loop 解釋
波腹
  • wave : n 〈美海軍〉女志願軍人〈見 WAVES 條〉。n 1 波浪；碎浪； 〈the wave（s）〉 〈詩〉海。2 波動；波狀...
  • loop : n 1 （用線、帶等打成的）圈，環，匝，框，環孔，線圈；【醫學】（常 the loop）宮內避孕環。2 環狀物，...
  1. Chapter five describe the real example of the project of dwdm. related with the project of the east - north loop of fiber transmission system, research the layout of the network, analysis the performance of the transmission and bring out the frondose project of construction, inculde the number of the wave length, the speed of the transmission, the style of he fiber etc. chapter six is the summary of the article

    第五章是dwdm技術在通信工程建設中的實際應用，本論文以作者參與的一項具體的工程設計? ?中國移動集團公司建設的東北環光纜傳輸工程中dwdm技術的運用為實例，根據預測業務發展的要求，從傳輸性能的分析，到網路的規劃，技術上的實現，提出了其具體的建設方案，包括波長數目、傳輸速率、光纖類型、光復用段、設備制式等。
  2. There are many ways of modulating signal about bpsk such as castas loop, square loop, etc. usually the carrier wave is put forward firstly, then the purified carrier wave is used to demodulate the output data ( all these things are usually completed in the same loop ). these methods have their strong points but at same times, it is difficult to design and achieve these ways

    有關bpsk調制信號的解調方法很多，例如castas環，平方環等，這些方法一般都是先提取載波，然後用提純的載波去解調出傳輸的數據（大都在同一個環路內完成） ，這些方法的優點是顯而易見的，但是在某些條件下，這些方法的設計和實現卻很困難。
  3. The clock recovery block of usb2. 0 transceiver macrocell consists of phase locked circuit, such as pll and dll ( delay locked loop ). this block use external crystal 12mhz sin signal to produce 60mhz, 120mhz, 480mhz clock signal, and can recover colock signal form date wave. it can support 480mbps ( hs ) and 12mbps ( fs ) word speeds as defined in usb2. 0 specification.

    目的是用鎖相環電路? pll和dll （延遲鎖相環）實現usb2 . 0收發器宏單元utm的時鐘恢復模塊。其中pll環路構成的時鐘發生器將外部晶振的12mhz正弦信號生成60mhz 、 120mhz 、 480mhz等本地時鐘信號。 dll環路依據本地時鐘信號對外部數據信號進行時鐘恢復。
  4. The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail

    首先，在闡述i / q正交調制基本原理的基礎上，通過對誤差矢量和鄰近通道功率泄漏的詳細分析，定性、定量地討論了各種非理想電路因素（如相位不平衡、幅度不平衡、直流偏差等）對調制器性能的影響;其次，介紹了鎖相環的工作原理和基本組成部分，包括鎖相環的設計和環路濾波器的設計，特別詳述了電荷泵鎖相頻率源;第三，介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後，對整個直接射頻調制系統進行測試，結果基本上達到了課題要求。
  5. And consequently, the phase modulation dissipation arises from the strong phase mixing between the waves inside and outside the modulation layer, and the pump wave is strongly damped near the resonant layer of coronal loop. after above analytical theories, we combine the two part of work into an integrated model of coronal heating

    由於位於共振層附近的相調層非常薄，那麼，對應的位於這個薄層之內的pump波就會和在這個薄層之外傳播的pump波有強烈的相混作用，從而對共振層附近的pump波有很強的阻尼作用。
  6. 2 ) hysteretic loop emphasis has also been focused on the onset and damping behavior of the thermoacoustic oscillation. based on the acute review and analysis on the non - steady processes with hysteresis, a hysteretic loop is proposed and experimentally verified for the first time in the standing wave thermoacoustic prime mover

    熱聲振蕩滯后迴路在系統地考察其它非穩態過程特性的基礎上，首次提出並實驗驗證了熱聲起振和消振過程中存在「滯后迴路」 ，並對滯后迴路的影響因素進行了研究。
  7. 3 using current injecting frequency modulation method and modulating sine wave around the resonator point, the lock - in phenomena is observed in a comparatively short period of time. this has achieved the basic goal for a closed loop r - fog

    3 、採用電流注入法，在諧振點附近進行正弦調制，實現了對諧振點的短時間鎖定，達到了閉環光纖陀螺設計的首要基本要求。
  8. In this article, introduce the important meanings of a - b effect, first is a have physics factors, second is wave function phase factor is connected with geometrical factor in ( b = 0, a 0 ), through a - b effect, we know : electromagnetic field vector e, b is local quantity, electromagnetic potential a, is global quantity, adding a, description and by the way of loop integral, electromagnetic field " effect is completely descripted

    本文介紹了有重要歷史意義的a - b效應， a - b效應揭示了兩點物理觀念的變革：一是電磁矢勢有物理效應。二是在無場強但有磁矢勢（ b = 0 ， a 0 ）的區域，波函數的相位因子與其運動空間結構有關。 a - b效應顯示； e 、 b是局域量， a 、是總體量，只有加入a 、之後的描述，並通過a的環路積分，才能對電磁場的作用做出完全準確的描述。
  9. In chap. 2, the observational characteristics of the radio burst of the bastille event were discussed in detail. in chap. 3, we described the associated foundational theories with the model of a magnetic - mirror loop, consisting of the flux duct, the magnetic reconnection, the plasma wave, the wave - wave interaction and so on. then in chap. 4, using the model of magnetic - mirror loop to estimate quantitatively, we obtain the magnetic field strength, the number of solitons in a single fiber source, the volume of the source and the ducting parameters

    對疊加於太陽射電型爆發上的精細結構，作出了觀測特徵分析，發現大多數纖維結構的觀測特徵在米波段和分米波段是相似的，由此提出它們可能源於相似的輻射機制，並採用磁鏡環模型，首次對分米波段的纖維結構進行分析計算，推算了纖維輻射源區磁場強度大小及輻射源的空間尺度，且相關物理參量的推算量級與其他人的研究工作結果是一致的，從而對該爆發源區的物理環境及過程有了進一步深入的認識。
  10. The second part of our work is devoted to the dissipation mechanism of alfven wave in coronal loop

    第二個方面是研究冕環中的alfven波耗散機制。
  11. The paper, for the harmonics detection method used in power system, presents an sampling method based on frequency multiplication phase - locked. through phase - locked loop to track the power wave, which not only reduces the affect of spectrum leakage to the harmonics analysis, but also realizes quick. accurate and, real - time measurement

    本論文主要針對電力系統中採用的諧波測量方法而提出的一種基於鎖相倍頻採集方法，通過鎖相環對電力波形進行實時跟蹤，既解決了頻譜泄漏對諧波測量精度的影響，又實現了快速的，準確的，實時性的測量。
  12. Both software and hardware are synthesized. three - phase bridge inverter used, the current in each phase is made similar to sine wave using current closed loop control

    以igbt三相橋作為主逆變電路，對電機繞組電流按正弦規律進行電流閉環控制實現正弦波細分驅動。
  13. This dissertation is based on the theory of phase lock loop ( pll ) and the design of frequency synthesizer, and the summing up of the work on the microwave and millimeter wave ( mm ) frequency synthesizer

    本文是在充分了解鎖相環（ pll ）的理論和各種頻率合成技術的基礎上，對微波毫米波頻率綜合器的理論探索和實際研製工作的總結
  14. A new if simulation signal digital model was developed, which has the ability to simulate the ocean return wave noise and the instrument thermal noise. by this simulation data, smle is successfully tested, and the rf ocean return wave simulator also worked correctly. it is difficult for altimeter to realize closed loop internal calibration with a large time - bandwidth product

    （ 4 ）提出了雷達高度計海面回波中頻模擬信號的數字模型，該模型具有模擬高度計海面回波噪聲和儀器熱噪聲的功能；基於該模型的軟體模擬器成功的對高度計跟蹤器進行了驗證；同時，該模型模擬的信號應用於雷達高度計射頻回波模擬器也獲得了成功。
  15. And the new circuit structure for improving the locking range, that is, injection - locked phase - locked loop circuit ( ilpll ) is introduced into the millimeter wave circuit

    在此基礎上，結合注入鎖定和環路鎖相原理，在毫米波頻率源中引入了一種新型的展寬帶寬的電路結構環路注入鎖定鎖相電路（ ilpll ） 。
  16. Then, torsional alfven waves propagate upwards along the coronal loop and the carried wave energy can make a play in coronal heating

    當被激發的扭轉alfven波沿著磁通管向上傳播到達日冕，其攜帶的能量就可以加熱日冕。
  17. In this paper, we are going to use high speed digital signal processor, track the carrier wave through the digital phase locked loop, and so to demodulate the modulating signal. it can overcome the difficult problems of the other ways

    而我們這里就是準備用高速數字信號處理器，利用數字鎖相環實現對載波的跟蹤，從而實現調制信號的解調，它能有效克服其他解調方式所遇到的困難。
  18. It need n ' t to distill coherent carrier and there is no trouble such as phase faintness, loop hit etc. the packaged wave of n / 4dqpsk is comparatively tiny, which is appropriate to the mobile communication

    / 4dqpsk信號包絡起伏相對較小，比較適合移動通信。此外，它可以採用差分解調，也可以採用相干解調的方式。
  19. Then a composite control approach was brought forward which combined wave neural networks ( wnn ) with digital phase locked - loop ( dpll ) to improve performances of induction heating. simulation results show that the means is effective and feasible. the main works done by author are as follows : 1

    針對感應加熱電源的控制問題，在保留鎖相環控制的基礎上，將小波網路控制和數字式鎖相環控制相結合，實現了對感應加熱電源的復合控制，模擬結果表明了該方法的有效性和可行性。
  20. Adaptive anti - interference for high - frequency surface wave radar based on orthogonal loop whip antenna arrays

    單極子交叉環天線陣的自適應抗干擾
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