通道轉調 的英文怎麼說

中文拼音 [tōngdàozhuǎndiào]
通道轉調 英文
master corase tuning
  • : 通量詞(用於動作)
  • : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
  • : 轉構詞成分。
  • 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
  • 通道 : thoroughfare; passageway; pass; enterclose; gallery; drong; tunnel; avenue; alure; way; row; key ...
  • 轉調 : [音樂] modulation; transposition
  1. Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece

    將液體火箭發動機燃燒室的冷卻設計為斜航線(等傾角螺旋線)槽形,可以大幅度改善燃燒室的冷卻性能.斜航線冷卻槽的槽寬尺寸較小而槽深尺寸較大,所以無法使用棒銑刀銑削、電化學等加工方式.針對這些特點,提出了五軸控制、四軸聯動的數控片銑刀銑削加工方法.由於燃燒室外表面的母線輪廓復雜,手工編制數控加工程序難度大.為了解決數控加工程序的編制問題,研究了斜航線的數學模型,開發了自動編程軟體系統.使用該系統,可以生成多種母線輪廓回體外表面上的斜航線數控加工程序.燃燒室收斂-擴張段的母線斜率變化大,加工難度大,是斜航線冷卻加工的最典型工件.經過理論分析和實際切削實驗,研究了針對該類型工件的片銑刀直徑選擇、銑削方式和方向、刀具調整和起刀點的設置等多項實際的加工方案.採用上述的一系列技術,已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用,驗證了所開發的斜航線冷卻加工方法的正確性和可行性.這些加工技術的研製成功,對其他相似類型零件的加工亦具有參考意義
  2. This experiment was performed using the " yingqing " peach fruit and " chunxing " strawberry to study the changes of the main physiology - biochemistry characteristics and the microsome membrane ca + - atpase activities during the fruits ripening. the effects of ethylene, trifluoperizine ( tfp ) + ethylene and verapamil ( ver ) + ethylene treatments on the above changes were discussed. the objects of the thesis may further explore the role of calcium messenger in the ethylene signal transduction, and provide some new theoretical basis for further research of the microsome membrane ca2 + - atpase during the fruits ripening

    本論文以迎慶桃和春星草莓為試材,研究了兩類果實采后在25和4條件下主要生理生化變化和ca ~ ( 2 + ) - atpase活性變化以及乙烯、鈣調素拮抗劑tfp +乙烯和鈣阻塞劑ver +乙烯處理對其的影響,為探討果實成熟衰老過程中,鈣信使系統在乙烯信號導中的作用,提供一定的理論依據,並為探索ca ~ ( 2 + ) - atpase在果實衰老中的作用及作用機制,提供實驗證據。
  3. With the setting of the peculiar conditions, we contribute the above system model for the first time to a kendall model, i. e. / l, : the size of buffer 1 / fcfs ( for same kinds of cells ) / l2 : the size of buffer 2 / non - prevail pr ( for different kinds of cells ) we resolved the model by " state transfer " method

    在設定工作環境及條件的基礎上,本論文首次為該系統模型建立了肯達爾排隊模型。即:並運用狀態移方法進行了解析。最後的模擬實驗數據表明優先級調度輸入?線群多輸出atm交換系統模型較好地改善了hol阻塞,提高了輸入排隊atm交換網路的性能。
  4. These channels coupled the membrane excitability to intracellular ca2 + concentration and were believed to play an important role in intracellular signaling. ( 2 ) both unitary conductance and po of bkca channel were markedly sensitive to temperature

    可將細胞信使cah的調節與神經元電興奮性的調節有機的偶聯起來,進一步確定了其在細胞信號導中的重要作用。
  5. Abstract : plant responses to salt stress via a complex mechanism, including sensing and transducing the stress signal, activating the transcription factors and the corresponding metabolizing genes. since the whole mechanism is still unclear, this review emphasize the biochemical events during the plant adaptation to salt stress referring to an index of importance : the homeostasis in cytoplasm, the biosynthesis of osmolytes and the transport of water. most of these biochemical events were elucidated by study of halophyte and salt - sensitive mutations, also many important genes involved were cloned and used to generate stress - tolerance phenotypes in transgenic plants. on the other hand, about the molecular mechanism in signal transduction, the research of arabidopsis mutations and yeast functional complementation provided helpful traces but not full pathway

    摘要植物對鹽脅迫的耐受反應是個復雜的過程,在分子水平上它包括對外界鹽信號的感應和傳遞,特異錄因子的激活和下游控制生理生化應答的效應基因的表達.在生化應答中,本文著重討論負責維持和重建離子平衡的膜運蛋白、滲調劑的生物合成和功能及水分控制.這些生理生化應答最終使得液泡中離子濃度升高和滲調劑在胞質中積累.近年來,過對各種鹽生植物或鹽敏感突變株的研究,闡明了許多鹽應答的離子運途徑、水和物種特異的滲調劑代謝途徑,克隆了其相關基因並能在基因淡水植物中產生耐鹽表型;另一方面,在擬南芥突變體及利用酵母鹽敏感突變株功能互補篩選得到一些編碼信號傳遞蛋白的基因,這些都有助於闡明植物鹽脅迫應答的分子機制。
  6. The main achievements are as follows : the theory models of defect mfl field are set up ; based on the magnetic dipole model and finite element model, the distribution of defect mfl field is simulated in the dissertation ; the component of flux density ( magnetic filed ) parallel to the surface of pipe is detected by a circumferential array of hall probes ; the factors including defect geometry parameters, defect surface angle and shape, pipe material, field intensity, vehicle velocity, background magnetization, operating pressure and remanent magnetization and so on influence the mfl signal characteristics

    採用霍爾元件作為缺陷漏磁檢測傳感器,獲得管軸截面漏磁場切向分量的漏磁信號;研究了缺陷外形尺寸、缺陷傾角和形狀、管材質和磁化強度、檢測儀移動速度、管背底磁場、管內壓力和剩磁對漏磁信號的影響。提出了各增益放大、各路漏磁信號偏離調整、波形微分、數字濾波和平滑等漏磁信號預處理方法;分析了等空間采樣的漏磁信號換為等時間采樣信號的必要性,研究了漏磁信號的小波去噪方法。
  7. Get back to the study, move the wooden ladder by the floor clock, investigate the clock, inlays the gem in two grooves, stir the indicator of the clock to 4 o ' clock, 8 o ' clock, 12 o ' clock and rotate the clockwork spring separately, the floor clock removes, dimple a passway leading to basement

    回到書房,將木梯移動到落地鐘旁邊,調查鐘,在兩個凹槽處嵌上寶石,分別撥動鐘的指針至4點、 8點、 12點且動發條,落地鐘移開,現出一條往地下室的
  8. When the message call is forwarded to the transport sink at the end of the chain, the transport sink writes the headers to the stream and forwards the stream to the transport sink on the server using the transport protocol dictated by the channel

    當消息調用被發到鏈末端的傳輸接收器時,傳輸接收器過使用所規定的傳輸協議將頭寫入到流,並將流發到服務器上的傳輸接收器。
  9. Fluid absorption and secretion across the reproductive tract epithelia largely depends on electrolyte transport through the apically and basolaterally located ion channels, working together with an array of other transporters

    位於生殖上皮細胞頂膜或基底膜的一系列離子運體,過對水、電解質的跨膜運,從而調節雌性生殖內液體的分泌與吸收。
  10. Concretely, on the basis of describing the communication specification of arinc 429 with enhanced parallel port ( epp ), the standard and the module application of dsp and cpld, the thesis has proposed the design of the arinc 429 technology based on dsp system. at first, the function and the application of each module of the system and the operation principle of high - performance cmos bus interface circuit hs - 3282 chip which forms the main body of the data diversion of the interface module are introduced. secondly, the hardware structure of the interface module is described in detail, mainly including data latch and buffer circuit, choice circuit of transmission rate, etc. and then the design philosophy and flow charts of the software are fully discussed, such as the basic requirement of software, the design and realization of the function

    本文在簡單的論述了pc並口協議( epp )與dsp之間的信方法、 cpld模塊邏輯控制應用和arinc429的訊規范的基礎上,給出了基於dsp的arinc429訊介面的設計方案:對訊板中各模塊的功能和應用以及構成數據換主體的總線介面晶元hs - 3282的工作原理做了說明;介紹了本設計所用的dsp和cpld的功能概況;詳細敘述了訊板介面模塊的硬體結構設計,其中,對數據緩沖電路、數據傳輸速率選擇電路、邏輯控制電路等各關鍵點做了重點介紹;具體闡述了軟體設計思想及流程圖,包括軟體的基本要求和功能的設計與實現;接著從埠譯碼單元、 i / o、電平換電路等方面進行了介面模塊的軟、硬體調試;最後,給出了測試結果,對研製工作做了總結,對本設計的優缺點各做了評述。
  11. This strategy has many advantages : solving the problems that the system is unsteady under super - synchronization ; improving power factor of stator ( it is unity relative to that of rotor ) ; no rotor position sensor and no initial position measurement, easily building up doubly fed speed adjustment system with speed sensorless because adjusting speed is taken in the rotor coordinate and rotor current vector fixing is implemented

    該方案由於引入了定子電流勵磁分量的閉環控制,使系統同時具有速和勵磁調節兩個調,具有如下優點:一、解決了超同步工作工況不穩定的問題;二、提高了定子側的功率因數(與子側功率因數為1相比) 。三、由於速度調節在子坐標系下進行,並以子電流矢量定向,所以無須子位置傳感器,也不用檢測初始位置,易於組成無速度傳感器雙饋調速系統。
  12. Is forwarded to all sinks in the channel sink chain through the

    調用被發到接收器鏈中的所有接收器。
  13. These results show that wnk kinases may interact with the ion channels and regulate the ion transportation thus cause hypertension

    說明wnk激酶和離子相作用,調控離子運,與高血壓病的發生相關。
  14. Advanced fpga technology is introduced to improve the integration of digital circuits, and all digital circuits in the original module are integrated in the fpga chips, which could not only reduce the cost, but also improve the reliability and measurement precision of the circuits. high speed digital signal processor ( dsp ) is selected as the coprocessor instead of scm ; it can receive all kinds of commands sent from vxi, analyze and execute the commands, harmonize each section of the module and process the data. higher - conversion - speed comparator chip is adopted to convert the input signals being measured into square waveform signals which could be identified by fpga chip ; it can expand the measurement range of frequency dramatically

    本文在原有vxi總線四計數器模塊的設計基礎上,過對原模塊缺陷的分析,採用一些新的技術和新的電子器件來重新設計該計數器模塊:採用最新的fpga技術來提高數字電路的集成度,將原模塊中的所有數字電路全部集成在fpga晶元中,這樣不僅能節約成本,還能提高電路的可靠性和測量精度;採用高速的數字信號處理器( dsp )取代原有的單片機作為協處理器,來接收vxi發來的各種命令,分析命令、執行命令、協調模塊各部分的工作以及對數據的處理;採用換速率更高的比較器晶元將輸入的被測信號換為fpga晶元能夠識別的方波信號,能極大提高測量頻率的范圍;採用d / a換晶元和隔離運算放大器得到隔離所需的比較電平,該比較電平值能夠根據實際需求進行設置,能增強模塊的使用靈活性。
  15. ( 2 ) an analog - digital channelized receiver is given. two key techniques of this receiver, including how to achieve data conversion effectively and frequency estimation precisely, are introduced briefly. the change of channelized lfm signal is discussed

    給出了一種目前可實現的模數混合化接收機方案,簡要介紹這種接收機的關鍵技術? ?高效的數據率換以及超寬帶線性調頻信號測頻演算法。
  16. However domestic unmature security marbet restrict amc ' s free shares transfer. my opinion is to improve and regulate by law in the course of d - to e. firstly, it is necessary to grasp d to e principle accuratly and construct strict qualification system, secondly, it is important to guarantee amc to enterprise system can keep amc ' s as shareholder control of d to e enterprise, and improve continuously amc ' s management level and efficiency. it is necessary to make special regulation about the duration periods and vavle of amc ' s egutity in legislation to sustain amc benefit, moreover, 13 to e also coordinate with state - owned ' s out - strategy and adjust ownership through social and. private cash input, these also help solve the problem of uvclear state - owned ownership entity ; at the same time, it is necessary to improve security market to widen the ways of share transfer, to be outward transfer as main transfer way, to cultivate institutional investor and reform equity system ; at last it is important to difine correctly bovernment ' s role and play its role. government should be in the nationwide view to organize, coordinate balance support regulate to guarantee d to e ' s performance

    筆者認為,債股實施過程中,應依照法律規范予以完善和制約,首先應準確把握其操作原則,特別注意嚴格把好債股的準入關;其次,切實發揮金融資產管理公司的職能作用,促使企業換經營機制建立現代企業制度,要確保金融資產管理公司作為股東對債股企業的最終控制權,不斷提高金融資產管理公司的運作水平和效率,並且在立法上對債股中的股權的存續和價值的保護進行特別規定,以維護金融資產管理公司的合法權益;再者,債股還要與國有經濟的戰略性退出相結合,進行必要的產權結構調整,過引入社會資金、民營資本等其他成分徹底解決國企產權主體虛位和產權不明晰的現象;同時,要完善資本市場,積極拓寬股權的退出,把對外讓作為股權的主要退士方式,培育機構投資者,改革股權制度;最
  17. The purpose of fast capture is getting the return spread spectrum signals immediately, and then, track channels start tracking and demodulating the signals

    快捕用於快速捕獲發返回的擴頻信號,信號捕獲後由跟蹤進行跟蹤解調
  18. And complex rotary codes take charge of encoding and decoding the information bits again. though the rate is a bit lower and the complexity is a bit higher than the original rs codes, the error - correcting capability of rs - complex rotary codes is improved greatly compared with rs codes. because rs - complex rotary codes can be adjusted according to the practical request, it is a class of practical code

    該碼以rs碼為主體結構,同時對信息元進行復碼編譯碼,雖然碼率較之原來的rs碼有一定降低,復雜度也略有提高,但是糾錯性能卻由此獲得了較大幅度的提高,同時也使碼字糾錯能力可根據要求而進行調節,從而大大增強了實用性。
  19. Hardware design, the main part of tlle system, stresses the signal regulating methods such as signal amplification, channel choice and am transformation as we1l as the measure of usual parameters such as ac & dc electric parameters, contact resistance, time, temperature and practical signal transform circuit, etc. furthermore, the anticipated functions have been proved by practical use

    其中硬體部分主要側重於信號調理即信號的放大、選擇、模數換以及各測試量包括直流電參數、交流電參數、接觸電阻、時間以及溫度的測試方法以及具體的信號變換電路,並以生產出實際產品的方式驗證了結果。
  20. Based on these advantages we analyze the performance of constant - power variable - rate m - qam schemes for spectrally efficient data transmission over nmf channels. by introducing the adaptive modulation approach, we gain two things : 1 ) the error rate is kept at a constant level. 2 ) the achievable spectral efficiency comes within 5 db of the shannon capacity limit. at the last chapter, the presentation of a single base station and a single mobile scenario proved the feasibility of adaptive schemes

    然後作者的精力的自適應方案的研究中,首先過研究發現nakagami衰落因子的適當調整可以近似於常見的瑞利衰落和萊斯衰落,接著研究在無線中採用三種不同自適應方案時的容量,研究表明速率的調整是增加容量的關鍵,在此基礎上,著重研究了離散變速率qam的情況,表明這種調制方案無論在頻帶利用率還是在系統平均誤碼率比其它情況提高很多。
分享友人