相位模式同步 的英文怎麼說

中文拼音 [xiāngwèimóshìtóngbù]
相位模式同步 英文
phase mode locking
  • 相 : 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...
  • 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...
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 式 : 名詞1 （樣式） type; style 2 （格式） pattern; form 3 （儀式; 典禮） ceremony; ritual 4 （自然科...
  • 步 : Ⅰ名詞1 （步度; 腳步） pace; step 2 （階段） stage; step 3 （地步; 境地） condition; situation; st...
  • 相位 : phase position; phase
  • 模式 : model; mode; pattern; type; schema
  1. In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage

    我們對兩種正交調制方式（ 16qam和4 - qpsk ）進行了模擬工作並給出了模擬結果，同時討論了碼元同步定時誤差對鎖相環路工作的影響並根據流星通信中使用變速率傳輸時鎖相環路的載波同步性能進行了測試；然後在基於軟體無線電思想的數字處理平臺（該數字處理平臺實現了中頻數字化）上用dsp軟體完成了載波的相位跟蹤。
  2. Study achievement appears as following aspects : ( 1 ) yellow river estuary gate river flow and tide flow mixed area is not keep standing deposition status, on special income water and sediment conditions, boundary conditions and oceanic power conditions, this area may on the scour status ; ( 2 ) observed from estuary sediment deposition distributing process : delta and sea offing area sediment deposition vary trend is similar, each part sediment deposition scale varies as wave shape ; ( 3 ) on estuary gate, affect the sediment deposition factors, primary factors are tide prop, the gate widens gradually, estuary gate have branches, brine induced flocculation. this paper study the estuary gate widen, estuary gate have branches to affect the river channel deposition in quantity ; ( 4 ) based on field measured data, for the first time, deduce the estuary sediment deposition and distributing regress formula which can estimate estuary different areas sediment deposition volume ; ( 5 ) this subject demonstrate the estuary delta coastline dynamic balance conception, build the relationship between the estuary income sediment with deposition land area, draw the following important conclusion : when estuary years - averaged income sediment keeps at 345 million tons, the delta coastline may on the dynamic balance status. ( 6 ) this subject firstly brings up estuary sediment optimized control conception, and has the primary study on the macroscopically optimized control conception method

    研究認為： （ 1 ）黃河河口口門逕流潮汐區域並非持續保持淤積狀態，在特定的來水來沙、邊界條件和海洋動力條件下，該區域可以處于沖刷狀態； （ 2 ）從河口泥沙沉積分配的過程來看：三角洲與濱海區泥沙的沉積變化趨勢是基本一致的，各部位的泥沙沉積比例變化基本呈波動狀態，且三角洲與濱海區泥沙的沉積比例與來沙量密切相關，基本成正比關系； （ 3 ）在口門處，影響泥沙沉淤的因素主要集中在潮汐頂托、口門逐漸加寬、河口門分汊、鹽水造成絮凝等，本報告主要對口門加寬，口門西妥理工大學工程碩士專業學位論文分漢對河道淤積的影響進行了定量分析: （一扣根據實測資料首次建立了河贖流路泥沙沉積分配的回歸計算式，據此可以預估計算河口不同區域泥沙的沉淤量; 、 5 ）本項研究首次論證了河口三角洲岸線動態平衡的概念，並建立了黃河河口來沙量與造陸面積的相關關系，得出了當河口多年平均來沙量維持在3 . 45億t時其河口三角洲岸線則可能處于動態平衡狀態的重要結論; 『 6 ）本項研究首次提出了河口泥沙優化調控的概念，並對其宏觀優化調控模式進行了初步探討。
  3. The results indicate : the rural households " agri - productive investment behavior are generally affected by such factors : the rural households " basic family status, the rural households " owning resource, market terms, the different geographical environment and the external economy environment if other factors remain unchangeable, the rural households would increased their agri - productive investment scale in the next year by such terms : the rural households " family size get bigger, the rural households improve the educational level, the rural households decrease the opportunity in working in the second or the third field, the family agricultural opening revenue got increased last year, the rural households " productive capital assets got increased last year

    假定其他因素不變：農戶家庭規模越大，勞動力文化水平越高，農戶非農業就業機會減少，農戶上一年農業家庭經營收入提高，以及農戶上一年生產性固定資產增加，都會使農戶在下一年增加農業生產性投資；同時由於農戶處于不同的地理環境、位置，也對農戶進行農業生產性投資產生影響。同時本文對北京市政府制定相關農業政策提出以下建議參考： 1 、進一步穩固農戶投資主體地位，同時，積極引導財政支農資金、銀行貸款等其他投資形式向農業轉移，形成資金互補機制。
  4. Following this principle, dpc adopted the method of " goal management ", i. e. disintegrating the three goals of investment, schedule and quality to different levels in accordance with different administrative levels to keep their consistency generally. moreover, dpc tried some effective new pattern such as in - phase management, strategic pass management and block management to shorten the time limit on the premise of ensuring the project quality. using some effective science way and modern management technology such as key line method to realize the reasonable resources allocation, including human resource, material resource and financial resource

    在這一理念的指導下，大連石化分公司運用了目標管理，將投資、進度、質量三大目標層層分解，並保證目標點的設置和時間段的劃分切實可行，方便合理；目標分解結構在較粗的層次上與組織分解結構一致，實現了組織結構設計與目標分解設計的配套；努力提高作為建設單位為各參建方的服務意識，注重與參建各方的有效溝通和相關單位的全方位協調；採用同步管理、關口管理和分塊管理等多種有效的新模式，在保證工程質量的前提下，趕工期，搶進度；用關鍵線路法、凈值法等有效的科學手段和現代管理技術來實現建設工程中資源的合理配置。
  5. Three parts are included as follows : first of all, the basic circuit equation of radial pm generator for autos is given. the effect of reciprocity of pm and winding ' s magnetic force upon winding ' s inductance and current upon magnetic circuit saturation are analysed. according to these, we can obtain optimized design

    首先，從本課題採用的徑向式結構的三相永磁同步發電機的物理模型出發，得出其基本電路方程式，並分析了永磁磁動勢與繞組磁動勢間相對位置的不同而對繞組電感不同的影響，相電流對磁路飽和效應的影響，為車用永磁發電機的優化設計提供了理論依據。
  6. 6. a new method that adopt small exciter emulation to the dual - shaker vibration system and research the numerical electric current phase synchronous controller, thus

    6 .提出採用小型激振器模擬並聯雙振動臺進行數字式電流相位同步控制器試驗研究的方法，從而降低同步控制器在研製階段的試驗成本，並且避免同步控制器的不確定性給振動臺造成損傷。
  7. Now, with the rapid development of computer and electronics, there have been a great progress in the field of input / output device technology. among this field, pci has been a current standard interface of pc. and in order to accommodate the development of operating system, wdm has been a driver model adopted by industry generally. at the same time, in the respect of sensor ’ s application, a high precision and high integrated incremental rotary encoder has been an outstanding one among the displacement sensors. meanwhile, eda technology and cpld / fpga chip applied in the signal processing circuit are approved by a great number of engineers who are engaged in designing the electronic device

    目前，隨著計算機技術和電子技術的飛速發展， i / o設備介面控制技術領域有了長足進步。其中， pci介面成為主流的微機標準介面，而與操作系統平臺的發展相適應， wdm已成為業界普遍採用的驅動程序模式;同時，在傳感器應用方面，高精度、高集成的增量式旋轉編碼器已是位移型傳感器中的佼佼者，而eda技術和cpld / fpga器件在信號處理電路中的應用被廣大電子設計人員所認可。
  8. In the first part of this paper, the theory of laser range and dds technology was introduced, the factors of influencing range precision were also analysed. at the same time, put forward in the paper, with using the fpga embedded technology, the wideband and high resolution sin modulating signals can be generated easily, then analysed the noise of the dds ; in the second part, the theory of phase measurement based on fft was analysed. in the phase range system, by using the fft operation, the resolution and sensibility of phase measurement can be enhanced ; then some circuits were designed and come true, also simulated and validated ; in last part, the improvement of the phase range system was brought forward, summarized and expected

    論文首先闡述了激光測距和調制信號源的基本原理，分析了影響測距精度的因素，指出應用dds技術可以實現寬帶、高精度的調制信號輸出，說明了引起dds輸出信號雜散的原因和解決的辦法;同時分析了應用fft運算實現信號相位提取的基本原理及設計方法，採用這種檢相技術，可以極大地提高測相精度與靈敏度;然後提出了基於fpga嵌入式系統的相位式激光測距機的整體設計，並就各部分進行了詳細的分析與設計;接著介紹了激光測距系統的外圍電路和基於quartusii集成軟體平臺的部分硬體電路的設計，並對其中的設計進行了模擬和驗證;最後總結提出了對系統今後的進一步改進和完善的思路。
  9. Then, this paper edits other computer program to calculate thirty sgrc frame columns, and researches the drift capacity of sgrc frame column, and analysis the turning capacity of frame column " s plastic hinge. then the relational expression of the curvature ductility factor and ratio of hoops of sgrc frame columns is derived. this paper analysis the relation of the curvature ductility factor and the relative drift of sgrc frame columns, and discuss the question of the minimum values of ratios of hoops of sgrc frame column at different axial load ratios

    一11一太原理工大學碩_ i :學位論文使用本文程序另外模擬計算了30榻煤研石混凝土框架，進一步分析了軸壓比和配箍率對煤研石混凝土框架柱曲率延性的影響，編寫程序計算了30根煤研石混凝土框架柱，對煤研石混凝土框架柱的側向變形能力進行了研究，分析了柱塑性鉸的轉動能力，導出了煤研石混凝土框架柱的曲率延性系數與配箍率的關系式，分析了煤研石混凝土框架柱的曲率延性系數與框架柱相對側向位移的關系，討論了煤研石混凝土框架柱在不同軸壓比下最小配箍率的取值問題。
  10. Secondly, two carbon fiber reinforced composite beams were fabricated, and their modal frequencies were measured by an experiment method. thirdly, delaminations were modeled by pairs of nodes with the same coordinates but different node numbers, while the modal frequencies of these beams with different delamination location and size were computed by an eas piezoelectric solid element. moreover, a novel method combining computational mechanics and neural network was demonstrated for composite health monitoring ; the first five flexure modal frequencies obtained by fem were modified by a primary revising approach and were used to train the neural network

    本文較全面地評述了神經網路的應用模型、改進演算法等，編制了bp神經網路程序：制備了纖維增強復合材料試件，並進行實驗模態分析；利用坐標相同、節點號不同的方法模擬脫層損傷，基於eas列式的壓電固體單元計算了不同脫層損傷情況下的頻率信息；針對基於實驗數據訓練神經網路存在樣本不足的缺陷，本文提出了利用有限元方法對含有脫層損傷的復合材料試件進行數值模擬，以前五階彎曲模態頻率構建訓練樣本的新思路，並提出了一種初步的計算值修正方法，以此構建神經網路的訓練樣本：將實驗模態分析的結果送入訓練好的神經網路進行預測，實現了對復合材料梁的脫層損傷的定位和損傷程度的評估。
  11. First. adjust the fiber to get the interferogram, use the four - step phase shifting method control the change of phase, achieve phase shifting. in data processing, take the pzt ' linear influence into account, calibrae the pzt. unwrapping the phase, gain the continuity, get the actual phase. analyzing the data with zernike orthogonal methord, fit polynomials that are not orthogonal over the data points, through visual c + + program, obtain polynomial parameters. calculate the shape of the surface, compare the result with zygo, then achieve the better experimental result

    首先，經光纖耦合輸出調整得到干涉圖，採用四步相移方法，控制干涉圖位相變化，實現相移；數據處理過程中，考慮壓電陶瓷的非線性影響，進行標定；對位相進行模式展開連續性處理，得到實際位相；用zernike多項式正交化方法分析，在離散點上處理數據，經visualc + +程序設計，得到多項式系數，計算出面形分佈，同zygo所得結果進行比較。
  12. Although it is useful to secure the fortune of owners in a good condition and clearly tells benefit or cost each other, and it is difficult to attract persons of high ability to work for them. all kinds of interests groups may exert all strength to push the government to make a good policy for their own, naturally the characteristics of the main interests groups, to some extent, will decide the character of the policy

    此舉將不可避免地會擠壓其他利益主體的獲利空間與權利，進而導致那些弱勢的利益主體以這樣或那樣的方式同佔主導地位的利益主體進行博弈，爭取自己的權利，相互博弈的結果便有可能逐步在他們之間達到一種均衡狀態? ?為各方所基本接受的利益實現、分配形式，並有可能在一個社會之中產生與之相適應的人力資產類型與信息加工模式。
  13. Topography fractal dimension related with process of development of watershed physiognomy and represented degree of watershed development, v ) sediment yield intensity of watershed model reflected erosion characteristic of watershed model in different development phase. simulating experiment indicated that sediment yield intensity took on the trend that they changed from small to big then decreased gradually. the relationship of average sediment transport rate and sediment yield rate per mm rainfall with topography fractal demension is expressed by gaussian model and this model is similar with relationship between volume and surface area

    （ 5 ）流域模型產沙強度的變化反映了流域模型在不同發育階段的侵蝕特徵，模擬試驗研究結果表明：在整個流域模型地貌地貌的發育過程中，其產沙強度呈現由小到大，然後又逐漸減小的總體趨勢，流域模型單位降雨產沙率及平均輸沙率與地形分維數表現為gaussian模型關系，其關系形式與結論3中相對體積和表面積之間關系相似，進一步說明了以地形分維數表達地形變化的合理性。
  14. An idea is brought forth to design the total structure of the usb interface ip, the main control logic, the mcu interface ( the function is the same as the pdiusbd12 chip of the philips semiconductor ) and a dpll which is used to synchronize data and separate the clock. this paper also introduces packet recognition, transaction sequencing, sop, eop, reset, resume signal detection / generation, nrzi data encoding / decoding and bit - stuffing, crc generation and checking ( token and data ), packet id ( pid ) generation and checking / decoding,

    提出設計了usb介面電路的整體構架，設計了usb的主要控制邏輯和與mcu的互連的介面（此介面與飛利普的usb介面晶元pdiusbd12兼容） ，也設計了一個數字鎖相環（ dpll ）來同步數據和分離時鐘，並對同步模式的識別、并行/串列轉換、位填充/解除填充、 crc校驗/產生、 pid校驗/產生、地址識別和握手評估/產生做了具體的分析。
  15. Based on the simulation results, the key techniques for the design of turbo codes, including the choice of component codes, the design of interleaver, trellis termination schemes and puncturing methods, are discussed deeply. by measuring the statistical characteristic of extrinsic information from component decoders, new iterative stopping criteria and snr estimation updator are devised. also, it is used to implement synchronization of carrier phase

    本文首先對turbo碼的基本編譯碼原理進行分析，在模擬結果的基礎上對turbo碼設計中的分量碼選擇、交織器設計、編碼器狀態歸零方案以及刪余方式等部分關鍵問題進行探討；通過考察外部信息的統計特性，設計了新的迭代停止準則和snr估計更新器，並利用外部信息實現串聯載波相位同步；最後對turbo均衡進行簡要分析。
  16. In our country, with the establishment and improvement of our socialist market - oriented economic structure and further transformation of government functions, our non - government organizations ( ngos ) are faced with unprecedented development opportunities as well as tough challenges. it is a very important issue on how to define the roles of ngos in economic and social development so as to fully exercise its functions in current and coming period. nowadays, our society is in the transformation stage when original planned, comprehensive and single social management methods cannot meet the demands of times. and it is being replaced by a coordinated social management mode made up with the government the market and the society all - in one method

    隨著我國社會主義市場經濟體制的建立和完善，政府職能的進一步轉變，我國非政府組織面臨前所未有的發展機遇，同時也面臨艱巨的挑戰。如何在經濟、社會的發展中明確非政府組織的角色，充分發揮其職能作用是我國當前乃至今後一段時期面對的非常重要的問題。當前，我國社會正處于轉型期，原有計劃的、全能的、單一的社會治理方式已不適應時態的發展，取而代之的是政府、市場、社會三位一體相互協調、相互配合的社會管理模式。
  17. A study and experiment on severe rainfall with numerical weather forecast in ningxia using geostationary meteorological satellite infrared data in order to improve the ability of torrent rainfall forecast in ningxia, which locates in northwest of china with an arid climate, the relationship between geostationary meteorological satellite infrared data and summer hourly precipitation in ningxia was analyzed, the geostationary meteorological satellite infrared data were applied to retrieve the relative humidity at medium and low layers of atmosphere

    強降水預報是中尺度數值預報的難點之一。為了提高數值預報模式對位於中國西北乾旱地區寧夏的強降水預報能力，本文研究了地球同步氣象衛星紅外資料與寧夏夏季逐時降水的關系。應用地球同步氣象衛星紅外資料，通過優選人工神經網路和最優擬合后的非線性回歸這兩種非線性方法，反演了寧夏自地表到300hpa不同層次的相對濕度。
  18. Research has been carried on the mechanical computation model for the anti - sliding pile, including linearly elastic two - constant foundation model, elastic - plastic foundation model. the details of the finite element have been given and programmed. also, making use of the displacement model, the thesis has analyzed the interacting mechanism of the double - row pile

    （ 4 ）對抗滑樁的力學計算模型進行了研究，建立了包括彈性雙參數地基模型、彈塑性地基模型上抗滑樁計算的具體有限元計算格式，編制了程序；同時應用建立的抗滑樁與坡體相互作用的位移模型，對雙排樁之間的相互作用進行了初步分析。
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