時相同步 的英文怎麼說
中文拼音 [shíxiāngtóngbù]
時相同步
英文
phaselockingg-
Biased anti - phase synchronization in spatiotemporal chaos
時空混沌系統中有偏反相同步研究The effect of local oscillator syntonization error and triggering time synchronization error on bistatic sar imagery are analyzed based on their error models. useful simulation results are provided for system design
本文重點研究了雙基地sar本振相位同步誤差與觸發時間同步誤差對成像的影響，建立了誤差模型，給出了模擬試驗結果，為系統設計提供了參考依據。First, they instigated automatic retrieval of such information as aircraft position, wind direction and speed directly from the on - board flight management system. the next problem was trickier : how to synchronize fms with another on - board system the flight deck recorder fdr or black box which recorded essential air navigation data
他們建議從機艙內的「飛行管理系統」自動檢索飛機位置風向和風速，但隨之而來的問題卻相當棘手：怎樣使這個系統和錄取重要導航數據的「飛行記錄儀」兩個系統時間同步呢？Chapter 3 treats the algorithm implementation of demodulator in the receiving asic of dvb - s. in detail, demodulation includes carrier recovery and symbol synchronization. together with the transmission characterization of band - limited input signals the chapter proposes a scheme for implementing carrier recovery loop
解調具體分為載波恢復、時鐘同步兩大部分，本章著重論述了載波恢復的原理並結合dvb - s輸入信號傳輸特性，提出了相應的實現方案，對部分電路進行了性能分析。Because central potentials of four y windings in 12 - phase generator are not equal each other and there is no common reference inside the generator, it is difficult to identify the on / off of rectifying elements. in this paper, by using a mathematical model with line voltage substitute for phase voltage, the problem that there is no common reference in the 12 - phase generator with rectifier is solved. based on results of the studies on small prototype, 920kw charging generator applied in a submarine is improved in design, and therefore power oscillation with high magnitude when two generators are operating in parallel
由於十二相發電機中四個y繞組的中點電位不等，電機內部沒有公共參考點，從而在判斷整流元件導通時，不能象三相同步發電機整流系統那樣認為陽極電位最高或陰極電位最低的整流元件導通，本文採用了以線電壓代替相電壓建立十二相整流發電機的數學模型，從而解決了十二相發電機無公共參考點的問題。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。In view of the altitude problems of inspecting the weighted average ways of obtaining altitude and the advantages and disadvantages of moving surface interpolation method are talked about through comparison, with which the writer draws a conclusion that moving surface interpolation method is suitable to be applied for the dynamic state inspection places, moreover the key technology about the dynamic slate inspection is also taken into consideration, which includes digital camera and types of camera lens, the cause of camera lens distortion and the fundamental determining principle, the gain of image coordinate and the realization of time synchronization
針對檢定點高程問題，分析比較了獲取高程的加權平均法和移動曲而內插法的優缺點，得出移動曲面內插法適合用於動態檢定場的結論。特別是針對動態檢定的關鍵技術給予了相關研究，內容涉及：數碼相機及相機鏡頭的選型，相機畸變差產生原因及測定的基本原理，像片坐標獲取以及時間同步實現，得出結論：利用gpsoem板的秒脈沖（ 1pps ）輸出特性，能夠實現兩臺數碼相機與gps接收機時間同步，滿足動態檢定指標要求。Time domain synchronous averaging can reduce the signal not coherent to rotation frequency effectively, and extract the repetitive signals directly related to machine operation condition
而時域同步平均可以有效衰減與回轉頻率無關的干擾，提取與工作狀態直接相關的周期信號。This paper proposes the occasional coupling synchronization scheme of the active - passive decomposition ( active - occasional coupling ). this scheme consists of synchronization and autonomous phases. in the former, the synchronization scheme is used to synchronize the drive and the response systems ; in the latter, small errors will lead to the two systems separated from each other and desynchronization. but if the synchronization phases are large enough, the full synchronization will be obtained. the synchronization condition is discussed theoretically. the spatiotemporal chaos in coupled map lattice system is achieved and the synchronization condition is given. moreover, the relation between the synchronization phases and the coupling strength is investigated numerically
提出了離散系統中的主動-間隙耦合同步方法.該方法由同步相和自治相組成.在同步相，同步方案使得混沌系統趨于同步，而在自治相，兩系統間的誤差將迅速放大，導致失同步.但只要同步相足夠大，最終可實現系統的準確同步.還從理論上討論了同步條件，並利用該方法實現了耦合映象格子時空混沌系統中的混沌同步，給出了同步條件以及同步相與耦合強度的關系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。Phase synchronization and brain integration
神經元活動的時相同步與腦功能整合Statistical model for the spatial variability of soil properties
分散式實時系統的集中式相對時鐘同步方法Thereinto communication with host machine comes downto time ' s checking and synchronization, the corresponding method is combined with valid calling core and makes the delay to the least. we also use the display board with electronical map and settle the matter of orientation. to the problem of historic data, we have resolved the redundance of data and reduced the space of data ' s copying
其中與報警主機介面的通信處理涉及到校時和同步，相應的處理方式採用了結合系統內核的高效調用，將延時降到了最小；而對報警方位的顯示處理則採用了顯示板結合電子地圖，直觀而有效的解決了定位問題；針對歷史數據的處理，則結合了處理信息的特點，有效了解決了數據冗餘問題，縮小了數據備份空間，而且在一定程度上提高了數據存儲的效率。This advantage is shown that in awgn and multipath channel, its estimation mean bias and estimation error square root is smaller than the sc method
這種優點體現在awgn和多徑通道中自適應分段相關時間同步法的估計均值偏差和錯誤方差均小於sc方法。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。Although ranging is adopted, certain phase shifts still exist between bit flows from onus to olts. therefore, fast synchronization must be applied to synchronize the receiving clock of olt to the bit flow being received from a certain onu
雖然採用了測距技術，但是各onu到達olt處的比特流仍存在一定的相位漂移，所以必須採取快速同步的技術，將olt的接收時鐘同步到當前所接收的、來自某一onu的比特流。( before the proposal of this standard, use of ofdm was limited to continuous transmission systems ) combined with the national high technology project named " key techniques of the wireless module in fieldbus facilities ", author focuses on the research of baseband technologies of ieee802. il / lla physical layer, and put forward some novel algorithms about the timing and frequency offset synchronization and the channel estimation of ofdm transreceiver in wlan, which have been published on some kernel transaction and international conference and shows the author ' s great research achievements
結合作者研究生階段「現場總線設備中的無線通信模塊關鍵技術研究」 863課題，作者對ieee802 . 11 11a [ 1 ]物理層基帶部分相關技術做了深入研究，提出了無線局域網中ofdm基帶系統時間同步、頻偏估計以及通道估計等關鍵演算法，在國內核心期刊和國際會議上發表了相關學術論文，本文在此基礎上完成的。In the end, this paper brings forward the clock synchronization scheme for the two computer channels of the fault - tolerant computer system. the redundancy management scheme is also discussed
本文最後提出了二模相似余度容錯計算機系統雙機時鐘同步演算法，同時對容錯計算機系統的余度管理技術進行了探討。For the direct current decouple controller, the p1 adjustor ? parameter of current and voltage loop ? is designed. the correction of the designed parameter is testified by simulating on two phase synchronization coordinate and three phase stationary coordinate, the simulation wave is given
對直接電流解耦控制器的電流環和電壓環的pi調節器參數進行了設計，並通過在兩相同步坐標系與三相靜態坐標系的模擬驗證了設計參數的正確性，同時也驗證了直接電流解耦控制方案的可行性，給出了模擬波形。We proposed a new time acquisition method, called adaptive subsection correlation time acquisition method of mc - cdma system, the subsection correlation length is adapted according to the probable frequency offset
提出了用於mc - cdma系統的新型時間同步法一自適應分段相關時間同步法。它根據估計頻率偏移自適應調整分段相關長度。分享友人