相位同步時間 的英文怎麼說
中文拼音 [xiāngwèitóngbùshíjiān]
相位同步時間
英文
phase synchronization time- 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...
- 步 : Ⅰ名詞1 (步度; 腳步) pace; step 2 (階段) stage; step 3 (地步; 境地) condition; situation; st...
- 時 : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
- 間 : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
- 相位 : phase position; phase
- 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
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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。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。However, the longer length of c / a code, the more hardware resource and power it cost. this dissertation commits research on algorithm of c / a code acquisition in satellite navigation position system, and compares the acquisition means of digital differential matched filter ( ddmf ) with traditional means, and also achieves ddmf with the vhdl language and fpga platform
擴頻碼的周期的加長會給衛星導航定位系統帶來許多相應的好處,但問題也就隨著之而來了,擴頻碼的周期越長,同步捕獲所需得的時間就越長,而且若用傳統的并行捕獲方法,將極大的耗費硬體資源,而且系統功耗會隨之增大。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?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。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。Kerberos assumes that the clocks of all the machines in the realm are closely synchronized within the limit of the allowed time skew
Kerberos假設域中所有機器的鎖在允許的時間相位限制內是緊密同步的。In wcdma system which uses direct sequence to spread spectrum, the spread spectrum code ( pn code ) phase of the receiver must be synchronized with that of the received signal precisely to despread and demodulate the signal correctly. multipath channel exists in the mobile communication environment for the radio signal reflection by obstacles between transmitters and receivers. by using the autocorrelation of the spread sprectrum code, rake receiver can process received signals and therefore multipath components can be resolvable
在wcdma系統中,為正確解擴解調接收到的擴頻信號,接收機本地產生的擴頻碼( pn碼)相位必須和接收信號中的擴頻碼相位完全同步;同時移動通信環境中的傳輸信號由於接收機和發射機之間的直達路徑有可能被建築物或其他障礙物所阻礙,總是經過折射或反射的多條路徑后才到達接收機,從而產生多徑通道。On the basis of the principal of traditional civil and commercial law, by the way of researching on the related legal systems of different countries and regions and relavant conventions and rules comparatively, using for reference of theories and ideas of the law and economics reasonably, this aticle clarifys the concept of international multimodal transport, making analysis of the legal status of multimodal transport operator, freight forwarder and terminal operator and the legal relationship between them and the cargo party. simultaneously, the paper mainly studies the liability regime of the multimodal transport operator and the uniformity thereof. finally, the paper designs the preliminary legal framework of the liability regime of multimldal transport operator of china and it is hoped to be beneficial to study and improve the liability regime of international multimodal transport operator
本文從傳統民商法的基本原理出發,對世界各國和地區相關法律制度以及現有公約與規則採用比較分析的方法,同時合理借鑒法律經濟學的相關理論和觀點,對國際貨物多式聯運予以界定,對國際貨物多式聯運經營人與貨運代理人、港站經營人的法律地位,他們之間以及他們與貨物利益方之間的權利義務關系進行分析,並在此基礎上著重對貨物多式聯運的核心法律問題,即多式聯運經營人責任制度進行研究,並對國際貨物多式聯運經營人責任制度的統一進行探討,最後本文提出我國多式聯運經營人責任制度的初步法律框架,希望能對國際以及我國多式聯運經營人責任制度的研究和完善有所助益。The controllers have considered all sorts of imperceptible factors affecting the servo performances in a lpmsm servo system, which include the parametric uncertainties brought by the changes of the mobile mass, frictional coefficient, the thrust fluctuations aroused by the varieties of the magnetic density distributions and the time harmonic. the h state feedback controller restrains disturbances and uncertainties to keep the robust and stable performance. the ip controller, which has the ability of rapid response, is applied to satisfy the rapid performance
在分析雙環控制問題時,針對直線永磁同步電動機,仔細考慮了能使伺服系統性能變壞的各種細微因素,如:永磁同步直線電機動子質量變化、摩擦系數變化等造成的模型參數不確定性,電機運行期間存在磁密分佈變化、時間諧波等產生的推力擾動等,採用了ip速度控制器和h _狀態反饋控制器相結合構成直線伺服的內環控制器,並輔助設計了外環的pi位置控制器。22 paired inferior collicular neurons were obtained in the experiment. the neurons were recorded in the depth of 198 - 1254 u m ( 544. 59 ? 72. 37 n m, m + sd ), and their bfs were 11. 25 - 59. 29 khz ( 26. 77 + 9. 95 khz, m ? d ) : the minimum thresholds ( mts ) werelo - 66 db spl ( 38. 14 ? 14. 39 khz, m + sd ) ; the latencies were 4. 0 - 16. 0 ms ( 8. 19 + 3. 14 ms, m + sd ) ; the best intervals between paired sound pulses were 0. 01 - 28. 71 ms ( 3. 93 + 2. 52 ms, m ? d ) 0 the results showed : l ) there were interactions between the neurons in the iso - frequency lamina and hetero - frequency lamina which included mutual inhibition ( 18 / 22, 81. 8 % ) and mutual facilitation ( 4 / 22, 18. 2 % ), and the mutual inhibition in iso - frequency lamina was stronger than that in hetero - frequency lamina ; 2 ) the mutual inhibition decreased with sound level increasing ( p < 0. 001, anova ) ; 3 ) the analysis of the inhibition of discharge rate at lodb above mt showed that the inhibition increased when the paired neurons " bfs difference decreased ( r = - 0. 545, p = 0. 0006 ) ; 4 ) the mutual inhibition of paired neurons can sharpen the frequency tuning and the effect increased when the frequency was away from the bf ; 5 ) the changes in q10, q30 decreased with bfs difference of the paired neurons increasing ; 6 ) the mutual facilitation between paired neurons not only increased discharge rate, but also widened the frequency tuning, i. e., increased response frequency
結果表明: 1 )同頻層神經元之間或者非同頻層之間神經元之間存在相互作用,這種作用既有相互抑制( 18對,佔81 . 8 ) ,也有相互易化( 4對,佔18 . 2 ) ,且同頻層神經元之間的相互抑制作用較非同頻層神經元之間的相互抑制作用要強; 2 )神經元對低刺激強度反應時,所受到的相互抑制作用較強,隨著聲刺激強度加大,抑制作用逐步降低( p 0 . 001 , anova ) ; 3 )對閾上10db放電率抑制百分比進行的分析顯示,配對神經元之間的最佳頻率差越小,相互抑制作用越強( r = - 0 . 545 , p = 0 . 0006 ) ; 4 )配對神經元之間通過相互抑制作用可表kx碩士學位論文waiaster 』 sthesis現出調諧銳化作用,該作用的效率與頻率有關, bf處的銳化作用較低,偏離bf時其銳化作用逐步加強; 5 )頻率銳化作用的效率與bf差有關,隨著配對神經元之間的bf差擴亢q10 , q30值的變化逐漸減小,其變化百分比與配對神經元之間的頻率差存在明顯相關; 6 )配對神經元之間的相互易化作用不僅表現在放電率增加上,也表現在頻率調諧曲線的擴寬,即頻率響應范圍擴大。" distance learning " as defined in these rules includes such techniques as synchronous ( multicasting ) distance learning, asynchronous distance learning, and combinations of the two techniques, and applies to courses offered by individual schools or through reciprocal agreements, in either degree programs or credit programs
本規范所定遠距教學,其方式包括同步(即時群播)遠距教學、非同步遠距教學及同步與非同步混合式遠距教學,並適用於各校或學校相互間授課之學位班或學分班。Because of continuity of load effects in time and space, displacement effects of previous time period in the latter time period and effects in various places have been taken into accounts. it is on these basis that the paper puts forward the dispersed counting way discrete algorithm based on such relationship, takes time - stepping integration to calculate rails " dynamic response, uses fortran language to write counting program, and conducts computer mock tests about rails " power response
由於荷載作用在時間和空間上的連續性,因此考慮了前一時間段所產生的位移對后一時間段的影響以及不同位置的相互影響,在此基礎上提出了基於車輪、軌道、枕木相互關系的離散化演算法,採用時間步長積分計算了軌道的動力響應,使用fortran語言編制計算程序對軌道動力響應進行了模擬。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。The paper proposes a novel learning algorithm for precise phase control of oscillatory neural networks. a target oscillator is employed to temporally synchronize correlated objects in an input binary image while uncorrelated objects are desynchronized via adjustable phase shift that is proportional to their spatial position. the proposed learning rule has a fast convergence, and can achieve an extremely small phase error
設計了一種新的神經元振蕩器網路快速同步學習演算法,該演算法能保證同組的振蕩器達到完全同步;同時,採用相位延遲方法,使不同圖像目標的振蕩器組的相位延遲正比于其在空間上的距離,實現目標對象的分離與提取To despread and demodulate the signal correctly in the spread spectrum system, the pn code phase of the receiver must be synchronized with that of the input signal precisely. multipath channel exists in the wireless environment for radio signal reflection by obstacles between transmitters and receivers
在擴頻通信系統中,為正確解擴和解調接收到的擴頻信號,接收機的pn序列相位和接收信號的pn序列相位必須完全同步;同時移動無線環境中的傳輸信號總是被收發信機之間的許多障礙物所反射,從而產生多徑通道。Firstly, three - phase static inverter under the space vector pulse width modulation ( svpwm ) is analyzed. then instantaneous control for three - phase static inverter is implemented in the synchronization frame through dq transform to get the information about amplitude and phase of output voltage
本文在對空間矢量脈寬調制( svpwm )方式下三相靜止變流器分析的基礎上,通過dq坐標變換提取輸出電壓幅值與相位的信息,實現在同步坐標下對三相靜止變流器的瞬時值控制。On this basis, this dissertation also brought to demonstrate those unsolved questions of interpreting to the communication effects while putting forward some solutions. there are : viewing from the audiences, communicators must adjust their mental state according to the different newscast, pay more attention to audiences " selective comprehension according to different social context, use more relevant a nd applicable verbal expression skills and means to recover news value while guarantee audiences the realities and their backgrounds, assure maximal communication effects in minimal time units for the sake of further giving full play to the social value and significance of newscast
論文提出:傳者「說」新聞應以受眾為本位,針對不同性質的新聞信息,及時調整不同的心理狀態;根據不同新聞的社會語境,注重受眾理解上的選擇性;利用相關的、可用的語言技巧與手段,在保證還原新聞事實原生態的同時,結合不同的新聞事實發生的不同背景,充分「說」出新聞價值;同時適當地加以評論,爭取單位時間內適量新聞信息的最大信息量傳播,使新聞信息能更好地服務于大眾社會,並實現其特有的社會功能,進一步發揮「說新聞」節目的社會價值及其在大眾社會中產生的社會意義。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。This field is very important because the synchronization degree will influence the operation of the radar system heavily. in this paper, the fundamental theory of bistatic radar system and the problems it faced is introduced. at the same time, the transmission technologies of time and frequency signal are discussed and the advantages and disadvantages of each technology is analyzed too
本文針對雙基地雷達系統的時間、頻率與相位同步進行了細致的分析、設計和論證,在充分比較各種授時技術優缺點的基礎之上,結合雙基地雷達系統的特點,提出了一種基於gps的時間、頻率與相位同步方案。分享友人