間隔調制 的英文怎麼說

中文拼音 [jiāndiàozhì]
間隔調制 英文
space modulation
  • : 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...
  • : partitionseparate
  • 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...
  • : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
  • 間隔 : interval; space; spacing; blanking; blank; region; distance; gap; intermission
  1. On the base of researching the theory of the scheme and analyzing the signal feature, it is obtained that the existence manners and character of distance information in the differential frequency signal. at the same time, a new conclusion is gained that the technology of frequency agility can decrease the constant error of system. it is also to say that frequency agility and frequency modulation fixed - distance fuze has the similar feature to random period frequency modulation fixed - distance fuze. according to the theory of address coding in the hopping - frequency communication, the paper presents the principle of selecting the frequency agility sequence which fit to the radio fuze and constructs the frequency agility sequence family based on the rs codes

    在深入研究方案原理和分析信號特徵的基礎上,獲得了該體引信差頻信號中,距離信息的存在形式和特點,得出了頻率捷變技術的引入降低了系統定距固定誤差這一新的結論,即頻率捷變調頻定距引信在定距性能上具有類似隨機周期調頻定距的特徵。本文引入跳頻通信地址編碼理論,結合無線電引信的具體特徵,提出了適用於無線電引信的頻率捷變序列的選擇原則,並構造了基於rs碼的寬頻率捷變序列族。
  2. Using the logarithm graph, multi - varieties production batch problem is resolved. the production scheduling is realized with heuristic traverse algorithm. at last, the strategies, which include disassembling task, shorting interval of the working procedure, overlapping working procedure, deferring the back working procedure etc., are brought forward to deal with the order ' s inserting, postponement, freezing and doing again on carrying out the production plan

    3 )分析了企業職能信息系統的集成性和各部門的協調性,研究車生產計劃的訂過程,以模糊多屬性折衷式模型實現了工藝路線的決策,採用對數坐標圖表法,解決了多品種生產批量問題,用基於啟發式的遍歷演算法實現了生產工單的排產,最後提出了任務分解、縮短工序,相鄰工序時疊加,延遲后續工序等控策略處理計劃執行過程中工單的插單、延期、掛停與返工等特殊問題。
  3. In the send site, binary message sequence is modulated between pulse sequences, then took it into wireless channel

    發送端將二進信息序列調于脈沖序列的中,然後送入無線通道。
  4. At varying conditioning - test stimulus intervals, segmental conditioning stimulus was applied in the tibialis anterior muscle ipsilateral and contralateral to the test stimulus, and heterosegmental conditioning stimulus was applied in the contralateral trapezius muscle to modulate the nwr

    檢測同側和對側的脛骨前肌在刺激、節段性約刺激變化情況下的測試參數、異源節段性約刺激作用於對側斜方肌以調整nwr 。
  5. A type of telegraph distortion in which the significant intervals of the modulation do not all have their exact theoretical durations

    一種電報失真,其中調的有效不都具有精確的、理論上的寬度。
  6. Frequency spectrum according to pulse partition modulation signal

    基於脈沖間隔調制信號的頻譜
  7. There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not

    首先引入開關函數概念,建立了正弦脈寬調( spwm )逆變器供電異步電動機,考慮主磁路飽和時的變頻調速系統整體數學模型,模擬系統的低頻振蕩;其次從逆變器-異步電動機系統能量轉換角度出發,提出通過檢測逆變器輸入電流中負電流的是否大於1 / f _ c ( f _ c為逆變器載波頻率)來判定系統是否出現低頻振蕩;最後的實驗結果驗證了系統低頻振蕩建模和判據的實用性和正確性。
  8. And pays emphasis on analyzing the system structure and system flow, the core techniques, the channel characteristic and parameters of dvb - t system. the system adopts some core techniques such as cofdm, a lot of tps ( transmission parameter signalling ) insert and guard interval, and so on. so it can withstand high - level ( up to odb ), long delay static and dynamic multipath distortion

    論文首先描述了數字電視地面廣播的需求條件,技術難點和目前存在的問題,並重點分析了dvb - t系統結構流程,核心技術及系統通道特性和參數,該系統採用了cofdm (編碼正交頻分多路復用) ,大量導頻信號插入和保護技術等核心技術,使之能抵抗高電平( 0db ) ,長延時的靜態和動態多徑失真,有利於數字和模擬電視的混合傳輸,它的多載波調模式功能和性能在移動和便攜接收、同頻網等方面具有獨特的優勢。
  9. The prerequisite of actively mode - locked fiber laser stable work is that the modulation signal frequency must be the integral multiple to the cavity resonance frequency

    主動鎖模光纖激光器穩定工作的前提條件之一是調信號頻率應為腔內縱模的整數倍。
  10. The research on flight plan conflict probe ( fpcp ) : in the phase of flight plan preparation, the planning controller of air force used to spend half time of each day to draw the routes on the maps and then probe the conflicts between them, for the flight routes are quite irregular and more possible to cause conflicts with other training flights or civil aviation flights. the fpcp model studied here is one of the innovation applied in mrd2k - jh, it can automatically probe all the potential conflicts between flight plans. this model uses 4 - d conflict probing rules to analyze all the route information of flight plans, the detected conflicts ( route points or segments ) can be useful for assisting the planning controller to amend the conflicted plans and re - probe the conflicts

    飛行計劃沖突預調配研究:針對軍航管工作中飛行計劃機動多變造成飛行沖突多、沖突探測繁、手工調配難的情況,介紹了mrd2k ? jh系統中採用的一項創新之處? ?飛行計劃準備階段自動化的四維沖突探測模型,按照飛行安全對各飛行計劃的所經航線數據進行潛在沖突分析,探測出預沖突航路點或沖突航線段,代替了軍航管員原來在地圖上手工測畫的重復性勞動,該項功能幫助管員及時發現飛行計劃之存在的潛在沖突以方便進行調配再探測,不僅極大提高了工作效率,更避免了人為可能造成的失誤,確保了飛行的安全。
  11. High speed uplink packet access ( hsupa ) is a new work item of technical specification release 6 in 3gpp. wcdma system. the techniques of this work item, i. e. node b controlled scheduling, hybrid arq with chase combining, shorter tti, are to improve the performance of uplink dedicated transport channels, i. e. to increase capacity and throughput and reduce delay

    在hsupa中通過採用基站nodeb控調度、結合了軟合併的混合自動重傳請求( harq ) 、更短的傳輸時( tti )等關鍵技術,不但增強了系統容量與覆蓋還使用戶設備( ue )能獲得更大的上行吞吐、更小的傳輸延時。
  12. A pressure transducer was set up in this system to realize pressure control in main lines and adjustment of pump operating time ; the distributors were designed to accomplish grease storage in fixed quantity and transport them into all lubricating points ; the single chip microcomputer was utilized to control interval lubrication and realize auto - lubricating or fault alarm

    系統通過設置壓力傳感器實現主油路的壓力控和油泵工作時的自動調節,通過配油器實現定量儲油和將油脂輸送至各潤滑點,通過電子監控器設定加脂,實現自動加脂與故障報警。
  13. So it save much energy consumption of the air conditioning running. but the preliminary investment of the psd system is higher. in the feasibility researching phase of the subway environmental control item, it is essential to do the technoeconomics analysis and forecast of the psd system

    站臺屏蔽門系統在我國還是一種新型的地鐵環境控系統,它將地鐵車站站臺與列車運行空開,避免了冷量損失,節省了大量空調運行能耗,但站臺屏蔽門系統初投資較高,因此在地鐵環控項目的可行性研究階段,進行站臺屏蔽門系統的技術經濟分析與預測非常必要。
  14. This paper is about the study on the debugging and maintenance of substation automation system the author analyzes and compares the present debugging interface of microprocessor - based protection relays through summarizing the debugging and maintenance of routine substation automation system , indicates the advantage of software debugging interface based on the pc in allusion to the characteristics of the distributed substation automation system , the author presents the design idea of programming the debugging software for the intelligent devices , the monitoring station and the communication network based on the object - oriented programmable technology this method may simplify the workload of debugging and maintenance of substation automation system greatly , shorten the time limit for building and debugging of substation automation system and improve the security and the stability of system , therefore it is of great useful value

    作者通過歸納總結常規變電站自動化系統的調試方法和維護手段,分析比較了現有的微機保護調試界面,指出了基於pc機的軟體化調試界面的優越性。針對分層分散式變電站自動化系統的特點,提出了利用面向對象編程技術,編層智能裝置和變電站層監控系統及通訊網路層報文監視的智能化調試軟體的設計思想。該方法可大大簡化變電站自動化系統的調試和維護工作量,進一步縮短變電站自動化系統的安裝調試工期,提高系統運行的安全性與穩定性,具有很大的實用價值。
  15. To increase the spectrum efficiency of the ofdm system, a novel aofdm ( adaptive ofdm ) system, which can change its modulation type and length of guard interval according to the estimated channel information, is designed

    為了提高ofdm的頻譜效率,我們設計了一個能根據通道特徵動態改變其調方式以及保護的自適應ofdm ( aofdm , adaptiveorthogonalfrequencydivisionmultiplexing )系統。
  16. Later, simulates the ofdm system by matlab software, researchs the effect about ofdm system by mapping, guard interval, sub - carrier and channel

    然後通過matlab軟體對ofdm系統進行了模擬分析,研究了調映射,保護,子載波和通道對ofdm系統的影響,並得出了一些結論。
  17. To order to solve above problems, we design a novel rate - based multicast congestion control scheme - rbmcc, which uses the active explicit congestion indication and representative - based feedback control scheme to inform the source of the status of the network, and alternate the send rate by adjusting the packet intervals between packets. the goal of the dynamic congestion control algorithm is to make the entire system responsive to the changes as rapidly as possible in the offered loads or available bandwidth without getting into an oscillating behavior

    針對上述演算法中存在的動態性、靈敏性以及由之引起的公平性等問題,本文第3章設計了一種新的基於速率的組播擁塞控? ? rbmcc ,該演算法利用積極的顯式擁塞指示,基於代表的反饋機,通過調節包與包的發送來改變數據的發送速率,動態地自適應網路擁塞狀態的改變。
  18. Through the simulation analysis of ofdm system by matlab, the author probes into the influence from modulating reflection, protection interval and sub - carrier wave on ofdm system, which is quite significant to the designing process of ofdm system

    通過ma7lab軟體對ofdm系統進行了模擬分析,研究了調映射,保護和子載波對ofdm系統的影響。這在實際ofdm系統設計的過程中非常重要。
  19. Some new technologies are introduced in hsdpa, including a shorter transimission time interval ( tti ) 、 adaptive modulation and coding ( amc ) scheme and a fast physical layer hybrid arq mechanism

    在該系統中採用了以下技術:更短的傳輸時,物理層的混合自動重傳,自適應編碼調等。
  20. In our protocol, uniform spacing and segmentation polices make algorithm adjust with the change of loading situation dynamically, which suppresses cell jitter pretty well and also improves the bandwidth efficiency

    本文給出分段均勻mac協議,均勻和分段分配帶寬的策略可以使協議自動地隨負載狀況變化而調整,既很好地控了抖動,又提高了帶寬效率。
分享友人