phase synchronization time 中文意思是什麼

phase synchronization time 解釋
相位同步時間
  • phase : n 1 形勢，局面，狀態；階級。2 方面，側面。3 【天文學】（月等的）變相，盈虧；【物、天】相，周相，...
  • synchronization : n. 同時；同時性；【物理學】同步，同期；【電影】同期[步]錄音，配音譯制。
  • time : n 1 時，時間，時日，歲月。2 時候，時刻；期間；時節，季節；〈常pl 〉時期，年代，時代； 〈the time ...
  1. Each time slot of the uplink frame contains a byte overhead, whose guard time is used to keep slight phase shifts from impairing the signal. the prepositive bit pattern is used for synchronization capture

    在上行幀的每個時隙里有位元組開銷，其防衛時間用於防止微小的相位漂移損害信號，前置比特圖案則用於同步獲取。
  2. Also it can effectively solve the main " four - threat " of single radar system. however, there ' s some problems must to be resolved, such as time synchronization, space and phase synchronization, signal processing, and clutter constricting, etc. this thesis concentrates on the time synchronization and phase synchronization of bistatic radar system

    雙基地雷達體制和系統結構上的特殊性決定了它在技術上具有不同於傳統雷達的一些特點，所以雙基地雷達系統的研製首先需要解決時間同步、頻率和相位同步、空間同步、信號處理、雜波抑制等關鍵技術。
  3. There are two uncertain factor about it : the phase of the pn code and the doppler - shift. after capturing the received signal successfully, the traditional ds receiver always uses a delay locked loop ( dll ) to synchronize the pn code and then uses a costas loop to realize the carrier synchronization. this complex closed - loop structure not only take long time to realize the synchronization, but also has the defect of “ hang up ”

    傳統的擴頻接收機通常在捕獲偽碼信號后利用遲早門鑒相的延時鎖定環來實現偽碼的精同步，解擴后利用科斯塔斯環實現載波同步，這種閉環結構不僅同步時間長、結構復雜，而且鎖相環還存在所謂的「 hang - up 」現象。
  4. Triggering time synchronization error model is derived, and based on phase noise model of frequency source, random synchronization error is considered. the effect of fixed and linear error on focusing quality is given by simulation

    模擬試驗給出了固定、線性、正弦及隨機型觸發時間同步誤差對點目標成像指標的影響，同時給出了相應的面目標模擬結果。
  5. This paper gives a time - synchronization technique bases on gps time service signal which is used in broad band seismic recorder 。 by world coordination time offered by gps - - utc ( usno ), adjust local clock base on gps signal, gain high nicety clock signal, clock precision reachs 10 - 6 。 this clock is the time source of broad band seismic recorder, bring the whole seismic recorder works in same time base. 1pps time base with high stability can be used as in - phase, spring, time and start - stop of every collection mode, while the scale under second make a precise time mark to receive data of broad band seismic recorder

    針對接收機中gps信號的噪聲進行kalman濾波軟體處理， kalman濾波可以對gps信號與本地晶振時鐘的時差數據在大噪聲中進行平滑，在較短時間內估計出高精度的時差數據。系統消除了gps秒脈沖信號的ms級隨機誤差，把晶振秒脈沖的長期穩定度鎖定到gps信號的穩定度上;在gps信號失效時給出了可行措施，能夠保證在任何情況下產生一個穩定、高精度秒脈沖信號，誤差在1 s內。
  6. Aiming at the features of grid - connected pv system, a kind of grid - connected control strategy is presented, which is based on the multi - variable double - loop control and synchronization phase - locked control. the multi - variable double - loop control is used for the real - time tracking, and the inherent principle error existing in the single - loop control is eliminated. the synchronization phase - locked control makes the frequency and phase of output current equal to those of utility voltage

    針對光伏並網的特點，本文提出了一種基於多變量雙環控制與同步鎖相控制的並網控制策略，多變量雙環控制用於電流的實時跟蹤，解決了只採用單環控制存在的原理性誤差問題；同步鎖相控制則保證輸出電流與電網電壓同頻和同相。
  7. The phase detecting error caused by local oscillator frequency drift and non - synchronization of measurement signal and gate signal is eliminated and the measurement speed is improved at the same time

    該方法可以有效的消除因本振信號頻率漂移及閘門信號與被測信號的非同步引起的測相誤差，同時提高了測量速度。
  8. Such property change of the unstable fixed point allows the possibility of the oscillators with different time scales adjusting to a functional perfect phase synchronization, in contrast to the imperfect one before the control

    不動點性質的這種改變是引起非完美相同步向完美相同步的轉變和時空混沌得以控制的內在機制。
  9. It is expected that this scheme can realize the time synchronization, frequency synchronization and phase synchronization of the bistatic radar system effectively

    分析論證表明，論文提出的雙基地雷達同步系統方案是正確的和實現可行的。
  10. Finally, this thesis proposed a message worst - case response time analysis algorithm for a simplified task model and made performance estimation for these algorithms. in the research of the second part, after a brief introduction of ds ( direct synchronization ) and pm ( phase modification ) task synchronization protocols, this thesis proposed the task transaction worst - case response time analysis algorithm respectively

    在第二部分的研究中，首先分別針對ds （ directsynchronization ） 、 pm （ phasemodification ）兩種任務同步控制方式提出了相應的任務序列最大響應時間分析演算法，對原有演算法進行了改進，並按照holistic演算法的思想提出了相應的計算迭代方程組。
  11. Furthermore, a new time and phase synchronization scheme using a globe positioning system of a satellite ( gps ) is presented

    該方案克服了傳統時間同步裝置需要較長時間來校正頻率誤差的缺陷，使校正後的精度大為提高。
  12. The error of each technology and revising of the error also are topics of focus. in the last section, the author presents a technical scheme of time and phase synchronization based on gps. furthermore, the maintenance of synchronization is discussed

    第五章在以上基本理論和關鍵技術研究的基礎上，提出了利用gps實現雙基地雷達時間、頻率同步的系統方案，並詳細討論了同步保持的問題，對相應的指標作了進一步的分析、論證。
  13. The method can be used widely in high precision frequency, time and phase measurement. combined with a kind of precise, constant gate ' s measuring method that is derived from the several period synchronization measuring method, high speed, high precision, successive frequency measurement can be fulfilled. it adapts well to the sensor signal measurement of non - frequency

    此方法可以廣泛地應用於高精度頻率、時間及相位測量中，將其與一種從多周期同步法發展而來的高精度、定閘門測量法相結合，可實現高速、高精度、連續頻率測量，而這一點非常適合非頻率量傳感信號的測量。
分享友人
分享到 Line

分享到臉書