組頻數 的英文怎麼說

中文拼音 [zǔbīnshǔ]
組頻數 英文
class frequency
  • 組 : Ⅰ名詞1 （由不多的人員組成的單位） group 2 （姓氏） a surname Ⅱ動詞（組織） organize; form Ⅲ量詞（...
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 數 : 數副詞（屢次） frequently; repeatedly
  1. Delay analysis of self - organized tdma vhf datalink

    自組織時分多址甚高頻數據鏈的延時分析
  2. Classified frequency series

    分組頻率級數
  3. The six sigma black belt should be able to compute the mean and standard deviation from a grouped frequency distribution

    6西格瑪黑帶應能從一組頻次分佈數據計算出均值和標準偏差。
  4. The parallel combinatorial spread spectrum provides high spectral efficiency and the data rate of the parallel combinatorial spread spectrum is higher than that of the direct sequence spread spectrum. this thesis studies on the mapping between data and spread sequence in the parallel combinatorial spread spectrum system and presents a mapping method based on the lexicographic order. the mapping method resolves the many to one mapping problem of the past method

    本文研究了并行組合擴頻中數據和擴頻序列之間的映射方法，指出了已有的一種不定方程求解演算法中存在的映射不唯一問題，應用組合數學中的相關理論，將映射問題轉化為廠組合問題，提出了基於字典順序的并行組合擴頻數據映射演算法，該演算法具有普遍性，解決了原有演算法中的多一映射問題。
  5. At the same time, in order to well analyse, utilize and reutilize, the video data are all needed to be effectively organized and managed in the video data - retrieval of the digital library ; the media assets management of tv station and the military video intelligence analysis and managementetc

    同時，在電子圖書館的視頻資料檢索、電視臺的媒體資產管理以及在軍事領域中視頻情報分析與管理等領域中都迫切需要對視頻數據進行有效的組織、管理，以便更好地進行分析、利用和再利用。
  6. Utilizing the internal high - rate counter in fx2n series plc and simple external circuit, the author real - timely measures the hydro generator frequency with high accuracy and reliability, which meets the engineering application requirements

    作者利用fx2n系列plc內部的高速計數器和簡單的外圍電路，實現了對機組頻率的測量，滿足了工程實踐中對測頻可靠性、實時性和精度的要求。
  7. There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor

    本文利用s7 - 200plc自身的特點設計了頻率測量單元，根據pid調節各個環節的特點，以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同，利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、分頻電路，實現了水輪發電機組頻率的測量；在軟體上，對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析，選用改進的pid演算法實現了變參數、變結構的pid調節模式；調速器的機械液壓隨動系統具有步進電機電液轉換元件，採用五相反應式步進電機，根據其驅動特性設計了變頻調壓驅動器，實現plc與步進電機驅動器之間數字介面。
  8. For example, video cameras monitoring an assembly line can feed video data into a universal server database that can detect anomalies such as defects and trigger corrective action, thus improving product quality at a lower cost

    例如，監視組裝生產線的攝像機能把視頻數據饋送到萬能服務器的數據庫，該數據庫能探測出異常，如缺陷，並能觸發糾錯動作，從而以較低的成本改進了產品的質量。
  9. 4. to get the motor ' s performance by calculation with known formulas, as a result an adjustment for the motor ' s configuration can be practised. when a combined method of altering the length of armature, the number of turns in the winding and the dimension of permanent magnet is used. 5. to get the motor ' s performance when it is driven by the power converter. finally, the calculated data are compared with the experimental measurements, so as to verify the rationality and reliability of the method

    Q採用數值分析直軸負載磁場和交軸電樞反應磁場的方法來計算，得到較為準確的結果；根據電機工作特性的計算公式計算電機性能，由計算結果調整電機的結構，而調整工作使用改變電機鐵心長度、繞組匝數和永磁體尺寸相結合的方法，這樣可以得到較為理想的結果；對變頻電源供電時電機的工作特性進行計算，以檢驗其變頻時的性能。
  10. Every parameter used in the design flood calculation can be adjusted according to the practical requirement. the software can calculate many sets of frequency design flood in the same time

    設計洪水計算的各參數均可按照實際需要調整，可同時計算多組頻率的設計洪水，極大地擴展了軟體的適用性。
  11. With the constant development of civil aviation ' s undertaking, security and efficiency that the civil aviation transports are paid more attention to by people, international civil aviation organization ( icao ) has proposed the new navigation system application scheme accordingly, the scheme is communications, navigation and surveillance / air traffic management ( cns / atm )

    隨著民航事業的不斷發展，對民航無線通信系統的可靠性和實時性提出了更高的要求。為了適應新的航行系統，國際民航組織提出了新的數據鏈路層協議? ?甚高頻數據鏈模式4 （ vdl - 4 ）協議標準。
  12. In addition, the concept of scene centriod is introduced to represent video scene by averaging of all key frames inside a group of shots in the given video scene, which makes an audacious attempt for high - level video unit extraction and representation ; 4 ) according to the given sample video, shot and scene - based video retrieval methods are discussed respectively, and the evaluation pricinples are also discussed

    進而，討論了由場景中一組鏡頭的關鍵幀的質心表示場景關鍵幀，即場景質心的方法，從而為抽取高層的視頻數據單元做出了大膽的嘗試； d ）從給定樣本視頻出發，分別討論了基於鏡頭和場景的視頻檢索方法，並分析了檢索性能評價的準則。
  13. Firstly, the experimental phase current and input power data obtained from load test are employed to estimate the parameters in ii rated condition. then, the phase current and input power data in locked rotor condition are used to track the variation of the parameters of the secondary coil with slip frequency. the classical method and the direct modification method are also used to estimate the parameters of the induction machine in comparison with this technique

    首先利用了負載試驗的定子電流和輸入功率數據來識別額定工況下的電機參數，然後又使用了堵轉時的定子電流、輸入功率數據來識別電機二次繞組參數隨轉差頻率的變化，並與傳統參數測試方法和直接修正參數法進行了比較。
  14. It is expected that the standard will be used for a wide range of bit rate, not just low bit rate applications and that h. 263 will replace h. 261 in many applications. to realize the real time video compression, a high performance processor is necessary

    視頻數據壓縮運算量大，需要大量的存儲空間，要實現實時的視頻數據壓縮無疑需要一個高速處理器， tms320c6711dsk是ti推出的面向圖像處理的硬體平臺，其運算速度可達到900mflops （百萬指令位元組每秒） ，可用內存達16m位元組，是進行視頻壓縮的理想平臺。
  15. Then according to the emphasis of the design, went deeply into the theory of pll frequency synthesizers widely used, described pll ’ s working principle, structure and several types in detail, and made research and analysis of pll frequency synthesizers ’ phase noise, including the effect of the active loop filter on the phase noise, and give some methods to make improvement as well, such as changing loop filter form, reducing divide number, and increase phase detector frequency, etc. then paper introduced the principle character and phase noise analysis of direct digital frequency synthesizer ( dds ) and injection phase lock circuit, which are also important circuits in the design

    論文首先對幾十年頻率合成器的發展進行概述，而後針對本次設計的重點，對應用較為廣泛的鎖相頻率合成理論進行了深入的探討，詳細介紹了鎖相環的工作原理、組成結構和鎖相類型，並對鎖相頻率合成器的相噪特性進行了研究分析，包括有源環路濾波器對于相噪的影響，提出了改善相位噪聲的幾點措施:改善環路形式、降低分頻數、增大鑒相頻率等。接著介紹了直接數字頻率合成器（ dds ）和注入鎖相電路的原理特點以及相噪分析，它們也是本次設計的重要電路。
  16. Internet phone realizes the high - speed transmission and exchange of telephone subscriber ' s audio frequency dataflow by utilizing the existing computer network to make up the communication network of the telephone

    Ip電話是利用現有的計算機網路組成電話通信網路，實現電話用戶音頻數據流的高速傳輸及交換。
  17. We introduced some characteristics of service - oriented architectures ; for example, to minimize the chattiness between a service and its client, the service must be coarse - grained, stateless, and must normally assemble a data transfer object that collects all the properties returned to the client application

    中，我們介紹了面向服務的體系結構的一些特徵；例如，為了盡可能減少服務和其客戶機間頻繁的對話，服務必須為粗粒度的無狀態服務，而且必須正常組裝數據傳輸對象（ dto ） ，此類對象會收集所有從客戶機應用程序返回的屬性。
  18. However, the cg flash rate in severe convective systems with organized structure is high and has peak value before mature stage

    而有組織的強對流系統地閃頻數較高，在發展階段出現地閃頻數峰值。
  19. Digital video technonogy is the main part of the field of information industry which the country develops especially. with the rapid progress of broadband network and digital tv, the applications of video - on - demand, interactive tv and video website become more and more popular. all of these applications are facing the emerging digitalized video data in a large amount

    數字視頻技術是國家重點發展的信息產業領域的重要組成部分，隨著寬帶網路和數字電視的迅速發展，視頻點播、交互電視、視頻網站等應用需求越來越廣泛，這些應用都將共同面臨大量涌現的數字化視頻數據。
  20. But at present, the management and retrieval of the video data are all generally based on attribute or text describe. because of lacking content grade information, the users are facing a lot of restrictions

    然而目前對視頻數據的管理、組織和檢索一般都是基於屬性或文本描述的，由於缺乏內容級信息而使用戶查詢受到很多限制。
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