頻域綜合 的英文怎麼說

中文拼音 [bīnyùzōnggě]
頻域綜合 英文
frequency domain synthesis
  • 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...
  • 域 : 名詞（在一定疆界內的地方; 疆域） land within certain boundaries; territory; region
  • 綜 : 綜名詞[紡織] （織布機上使 經線交錯著上下分開以便梭子通過的裝置; 綜片） heddle; heald
  • 合 : 合量詞（容量單位） ge, a unit of dry measure for grain （=1 decilitre）
  • 綜合 : 1 （歸在一起; 聯合成一個統一的整體） synthesize 2 （不同種類、不同性質的事物組合在一起） syntheti...
  1. Above all, the system fuse the eradiate noise ' s different sides " feature and offer strong elements for the next process : classifying. it is very important to study the classifier in this dissertation

    其中線譜特徵反映了船舶輻射噪聲的頻域信息，能量特徵綜合了不同頻段內的信息，而分維特徵反映了信號的時域的信息。
  2. In the past few years, there has been significant interest in digital video applications like video conferencing and video e - mailing over internet, video telephony over public switched telephone networks ( pstn ) and wireless networks, etc. by removing spatio - temporal redundancies existing in adjacent frames, motion estimation can reduce the coding bit - rate significantly

    低速率視頻編碼技術已在許多領域得到了應用，如在pstn （公共電話網） 、無線網、 n - isdn （窄帶綜合業務數字網） 、 b - isdn （寬帶綜合業務數字網）上傳輸視頻會議、可視電話和無線手持終端等。
  3. Second part - the main contribution and research results of this paper are focused on as follows : ( 1 ) how to use the measurements of a dual frequency gps receiver to determine the ionospheric delay correction model for single frequency gps of a local range ; ( 2 ) how to separate the instrumental biases with the ionospheric delays in gps observation ; ( 3 ) how to establish a large range grid ionosphere model and use the gps data of chinese crust movement observation network to investigate the change law of ionospheric tec of china area ; ( 4 ) how to improve the effectiveness of correcting ionospheric delays for waas ' s users under adverse conditions. ( 5 ) how to establish the basic theory and the corresponding framework of monitoring the stochastic ionospheric disturbance using gps ( 6 ) how to improve the modelling ability of ionospheric delay according to its diurnal, seasonal, annual variations based on gps ; ( 7 ) how to meet the demand of correcting the ionospheric delay of high - precision orbit determination for low - earth satellite using a single frequency gps receiver 1 extracting ( local ) ionospheric information from gps data with high - precision the factors are systematically described and analyzed which limit the precision of using gps data to extract ionospheric delays

    二、具體研究工作的系統報告，主要集中在以下幾方面：研究如何利用單臺雙頻gps接收機的觀測信息確定電離層延遲改正模型，為小范圍的單頻用戶服務；研究如何實時分離gps觀測中的儀器偏差與電離層延遲；研究如何建立較大區域的電離層格網模型，進而初步設想利用中國地殼運動觀測網路深入研究我國領域的電離層的電子濃度變化規律；研究單頻用戶在不利條件下，如何更好地利用電離層延遲改正信息；研究利用gps監測隨機電離層擾動的基本理論和框架方案；研究如何綜合顧及電離層的周日、季節和年變化，進一步提高利用gps模擬電離層延遲的能力；研究如何實現星載單頻gps低軌衛星的精密測軌中的電離層延遲改正要求。
  4. There are several aspects of work that was done in this thesis mainly. firstly, the theory of the under - water long - range remote control system was analyzed and the remote control instruction code was designed. secondly, decoding circuit of the under - water long - range remote control system was designed with fpga, including vhdl coding, simulation, synthesis, place & route, etc. besides, power consumption to fpga that is designed is estimated in this thesis. lastly, we designed and made one pcb to verify and test fpga decoding chip that is designed, and debugged and tested it finally

    首先，深入研究和分析了在頻域實現水下遠程遙控解碼的原理並進行了遙控指令編碼設計；其次，用altera公司的cyclone系列fpga晶元完成了水下遠程遙控fpga解碼晶元的設計工作，包括硬體描述語言（ vhdl ）編碼、電路前後模擬、綜合和布局布線工作，並對設計的fpga解碼晶元進行了初步的功耗估算；最後設計製作了一塊fpga解碼晶元電路驗證測試板，並完成了電路調試和測試。
  5. The situation of yellow river dry - up is gradually rigorous. it has being influenced the development of the lower reaches of yellow river and the implement of strategy on developing the western areas. based on analyzing the harmfulness, causes of its dry - up from the factors of physical geography and human activities, this article put forward the engineering and non - engineering control measures for controlling yellow river dry - up : strenghtening the unified management and despatch for its water resource ; resorting to compulsion to save water ; quickening key projects duild for the addition of balance and water storing capacity ; increasing synthetical administer to ecological environment ; increasing effectivesupply of water resource

    黃河斷流形勢日趨嚴峻，斷流的頻率增加、時間延長、里程增大，嚴重製約了黃河流域尤其是黃河下游地區的可持續發展和開發大西部戰略的實施.在分析黃河斷流造成的危害、黃河斷流的自然因素和人為因素的基礎上，提出了加強黃河水資源的統一管理和調度、採取強制措施厲行節約用水、加快骨幹工程建設增加調蓄能力、加大流域生態環境綜合治理的力度、適時開源增加水資源的有效供給等工程性和非工程性措施，以防治黃河的斷流
  6. For instance, hunan tv takes entertainment and information to show its disdain for other powerful ones, anhui satellite tv specializes in public interest and human care, they have jointly developed characteristic comprehensive channels, tourism satellite tv, whose contents are mostly tourism, has set up the first professional satellite tv. guizhou satellite tv has forged western gold satellite channel, oriental satellite tv has seized its powerful states in changjiang delta and has pioneered the regional developing direction. during antagonism, 28 provincial level satellite tvs has formed strategic unions and has presented united advertisement communication strategy, so as to break through the present situation that central closed tv is the biggest

    比如，以娛樂資訊傲視群雄的湖南衛視，以營銷電視劇為突破點的安徽衛視，以公益特色和人文關懷為特色的湖北衛視，共同發展了特色化的綜合頻道；旅遊衛視以旅遊內容為主，開辦了第一家專業化的衛星頻道；貴州衛視打造「西部黃金衛星頻道」 ，東方衛視搶佔了在長江三角洲的強勢地位，開拓了區域化的發展方向。
  7. Then one remote supervision system based on virtual instrument technology is studied and realized. the system can measure parameters such as signal level, carrier frequency and snr of remote channel, and can estimate the state of remote channel based on this parameters, and can display the time - domain and frequency - domain wave real time of remote channel, too

    針對目前遠動監控方案的不足，研究並實現了基於虛擬儀器技術的電力遠動通道監控系統，該系統可以對遠動收發信電平、載波頻率和信噪比三個通道參數進行測量，具有實時時域波形和功率譜波形顯示功能，並能根據通道參數對通道狀態進行綜合判斷。
  8. Among the decomposed synthesis reasoning sources, the field intensities were defined by dependency and classification methods based on the concept of positive region, by discernibility matrix method based on the rate of appearance, and by mutual information, condition entropy and mutual information gain rate methods based on information theory

    在分解得到的綜合源中，基於正域的概念，用依賴度和分類質量方法定義了場強，根據屬性出現頻率， ?用差別矩陣定義了場強，並結合信息論，通過互信息、條件熵和互信息增益率定義了場強。
  9. The pulse frequency and the ladder wave frequency are two factors that affect the range of velocity adjusting. the range of velocity adjusting is finally decided by the lesser

    從步進頻率和階梯波頻率兩個方面對細分驅動系統的調速域值進行了分析，得出調速域值受兩方面綜合影響，而且最終結果取兩者中域值范圍較小者。
  10. A method that combines category - based and keyword - based concepts for a better information retrieval system is introduced. to improve document clustering, a document similarity measure based on cosine vector and keywords frequency in documents is proposed, but also with an input ontology. the ontology is domain specific and includes a list of keywords organized by degree of importance to the categories of the ontology, and by means of semantic knowledge, the ontology can improve the effects of document similarity measure and feedback of information retrieval systems. two approaches to evaluating the performance of this similarity measure and the comparison with standard cosine vector similarity measure are also described

    介紹了一種綜合各層級分類類目和對應關鍵詞來構造概念體系並用於改進信息檢索系統效果的方法.為了改進文本聚類的效果，提出了將領域知識本體和文本關鍵詞詞頻相結合的基於餘弦向量的文本相似性測度方法.該本體面向特定領域，將關鍵詞以不同權值對應于各分類類目，通過其語義知識來改進文本相似性測度以及信息檢索系統的效果.進一步給出了對基於本體的相似性測度方法進行效果評價的2種策略以及該方法與經典餘弦向量測度方法的比較結果
  11. This thesis describes the three important methods for designing pid controller : imc - based method, frequency method and direct synthesis method. we respectively design the pid controllers for the first - order plus dead - time processes, second - order plus dead - time processes, non - minimum phase processes, integrating and unstable processes, then, performance assessment and robustness metrics are used to compare the pid controllers of the individual process

    論文著重研究了pid控制器的三種重要設計方法：內模法、頻域法和直接綜合法，並從確定性性能指標和魯棒性性能指標的角度，比較這些設計方法在一階加純滯后、二階加純滯后、非最小相位、積分和不穩定過程pid控制器設計中的應用效果。
  12. At last, pointing to the temporal characteristics and the spectral characteristics, this paper discussed the methods for estimating the maximal line velocity ( vmax ) and the glint periods ( tp ) of the hovering helicopter, and then fulfilled the recognition of hovering helicopter using these two message. in chapter 5, the summary of all the works in the paper and related conlusions are presented, and the defects are analized at last, at last this paper demonstrated the d

    最後，本文針對懸停直升機旋翼回波的時頻域特點，探討了從回波信號中提取旋翼回波最大線速度v和旋翼回波閃爍周期tp的方法，在綜合利用這兩種信息的基礎上完成了彈載高重頻脈沖多普勒體制雷達對懸停直升機回波信號的識別。
  13. 5. the extinction tomography system are synthesizilly analyzed in frequency domain. the influence of uncompleted projection data and image construction algorithm to the image quality is researched too

    對消光層析成像系統進行了頻域綜合分析，研究了不完全投影數據和圖像重建演算法對圖像質量所造成的影響。
  14. Synthetic aperture radiometer applies the interferometric principle to sample in the spatial frequency domain and retrieves the image by fourier or other numerical transformation

    綜合孔徑輻射計利用孔徑綜合原理在空間頻率域中采樣，通過傅立葉變換或其他數學變換獲取反演亮溫圖像。
  15. After the comprehensive consideration of different architecture, the dct domain partial encoder transcoding scheme, which eliminated the drift error by motion compensation, was chosen as the system architecture. this architecture not only kept the video quality well, but also intelligently utilized the coding information of the input compressed video stream

    在綜合考慮各種結構性能的基礎上，確定了基於dct域的部分編碼轉碼架構為轉碼器結構，從而在保證視頻質量的同時最大限度地利用壓縮碼流中的信息，提高轉碼效率。
  16. And the broadband multimedia access technology that can afford voice, data, and video is one of today ' s hottest research - and - development areas

    因此，能夠為用戶提供話音、數據和視頻的綜合通信的寬帶多媒體接入方式成為當今世界的熱門研究和開發領域。
  17. From the view of our practice, the problem of network plan and build, integrated oam of services based on ngn / softswitch is study in this paper. first, look insight what is ngn and softswitch, main features and advance of these technique, analysis the develop policy ; with the requirement of network build and service management, existed network and services, schemas of man integrated service network and softswitch test network are analyzed mainly focused on the topic of relationship between these network and the existed, the impact on the network and services development in next stage. some suggest is also given

    首先在闡述ngn和軟交換基本技術、主要特點、優勢和需要解決的主要問題基礎上，分析了ngn和軟交換的發展方式和策略;根據市場對網路建設和營運管理的需求，結合以ngn和軟交換為核心的新一代電信技術、現有的網路與業務條件，詳細分析了城域綜合業務網和語音、數據、視頻綜合業務的軟交換試驗網這兩種當前主要的建設方案:在與現有網路和業務關系、對今後網路和業務開發的影響等方面，比較了實施方案的優缺點，提出了修正的網路建設方案。
  18. Knowledge and understanding of the field of intelligent building weaknesses familiar with the relevant professional knowledge building automation, security, integrated wiring and video system design and implementation

    掌握和了解智能建築領域弱點相關專業知識熟悉樓宇自控，安防，綜合布線，視頻等系統的設計和實施
  19. In connection with the problems existing in the diversified economy of electricity industry and the triple - netwoerk developing trend of communication technology and the regional superiority of electric power communication network, it was recommended that electricity industry take the golden opportunity of urban and rural network modification to build a integrated network with which the voice, data and video information can be transmitted simultaneously. a new economic growing point can be formed by entering the telecommunication market

    針對電力系統多經產業存在的問題，結合信息技術「三網合一」的發展趨勢和電力通信網路的區域化佔有優勢，提出了電力企業應抓住兩網改造的機遇，建立語音、數據、視頻信息一體化傳輸的綜合信息網路，進入電信和數據業務市場，實現新的經濟增長點。
  20. This paper researches the integrating application of adaptive antenna array technology, spread - spectrum communication technology and transform - domain filter technology in shortwave communication area, basing on the background of improving on the shortwave communication equipments being used in chinese army, and all the key techniques mentioned above are implemented in a single fpga chip

    本文以改造我軍現役短波通信設備為背景，研究了自適應天線陣技術、擴頻通信技術、變換域濾波技術等多種現代數字信號處理技術在短波通信中的綜合應用，並以單片超大規模fpga晶元為硬體處理平臺，對系統中的關鍵技術進行了設計與實現。
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