選頻網路 的英文怎麼說

中文拼音 [xuǎnbīnwǎnglù]
選頻網路 英文
frequency selection network
  • 選 : Ⅰ動詞1. （挑選） select; choose; pick 2. （選舉） elect Ⅱ名詞（挑選出來編在一起的作品） selections; anthology
  • 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...
  • 網 : Ⅰ名詞1 （捕魚捉鳥的器具） net 2 （像網的東西） thing which looks like a net 3 （像網一樣的組織或...
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 網路 : 1. [電學] network; electric network2. （網） meshwork; system; graph （指一維復形）; mesh
  1. Firstly, we study the construction of emotion - speech template database, and analyze the common features such as pitch, energy and formant. after choosing the useful features by using fuzzy entropy effectiveness analysis, we get better performance with the application of neural network. in addition, we propose some more efficient features such as speech rate, pitch slope, mel - frequency cepstral coefficients and its transient parameters, and design a processing model based on vector quantization for cepstral features to fusing different features

    本文首先介紹了情感語音數據庫的建立情況，然後研究了基音頻率、振幅能量和共振峰等目前常用的情感特徵在語音情感識別中的作用，並且通過一種基於模糊熵的特徵有效性分析方法進行了有效特徵的篩選，應用人工神經網路建立了初步的語音情感識別模型，經過實驗發現特徵篩選后系統的識別效果有著一定程度的提高。
  2. The canadian trade office in taipei once again is pleased to collaborate with the royal hsinchu hotel for a maple leaf food festival. this food promotion will feature a visiting canadian chef, chad maclean from edmonton, alberta. the timing of this promotion will coincide with the planned food promotion at the evergreen hotel in taichung

    加拿大亞伯達省選擇北電nortel wimax網路解決方案建置加拿大第一個wimax商用無線寬頻網路，並稱為supernet ，其wimax無線網路速率約在1 - 3mbps之間，相當cabel及xdsl連線速率。
  3. This shop is that a network of city ofchongqing provides funds but jointly established by the harbour of city of chongqing and commercial channel of the digital channel of chongqing city harbour, city of chongqing harbour, the goods include the fashion number, peripheral hardware of the computer, exquisite gift, little electrical home appliances, software fine works, exquisite books, mobile communication, such goods as earphone, second hand fine works, cultural goods, etc. prevail, welcome everybody to choose

    本店是重慶都市網路出資由重慶都市港與重慶都市港數碼頻道、重慶都市港商務頻道聯合創辦，商品包括時尚數碼、電腦外設、精美禮品、小家電、軟體精品、精美圖書、移動通訊、流行耳機、二手精品、文化用品等商品，歡迎大家選購。
  4. By directed acyclic graph model, video server can select correct substreams by network bandwidth and terminal capability to get any frame rate, spatial resolution but coarse granular scalability presentation of video

    通過該模型，視頻流媒體服務器能夠根據網路帶寬，終端能力，正確地選擇子碼流進行傳輸播放。
  5. The potential applications of amr include both civil and military communication, especially non - cooperative communications and communication confrontation, such as identifying signals, supervising signals, distinguishing interference, electronic confrontation, analyzing military threat, etc. on the basis of our analysis to the existing research on feature abstraction, the related feature abstraction methods are optimized in this paper, resulting several effective methods such as the feature abstraction based on transformation domain, stepped voltage level analysis, normalized carrier - free spectral energy analysis, squared signal and fourth powered signal analysis, etc. both the decision theory based on recognition algorithms and the artificial neural network ( ann ) based on recognition algorithms is analyzed, and the former is selected as it is more appropriate for this research

    調制類型的自動識別廣泛應用於民用通信與軍用通信，尤其是對于非合作性通信、通信對抗，比如：信號確認、信號監控、干擾辨識、電子對抗、軟體無線電、電子救援、通信對抗、軍事威脅分析等。本論文在分析現有研究的基礎上，借鑒了已有的特徵提取方法，對相關調制類型特徵提取方法進行了優化，使用了一些有效的方法，如基於變換域特徵提取方法、梯層電平分析方法、剔除載波后的歸一化頻域能量分析方法、信號平方后的頻譜分析方法、信號四次方后的頻譜分析方法等。通過對基於決策理論和基於人工神經網路兩種識別演算法進行分析，本論文選擇了較適合的基於決策理論的識別演算法。
  6. Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method

    在本設計中，採用高速的dsp處理器，實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法，實現了大電流信號的驅動輸出;採用485總線技術，組建了裝置主機與多探測器之間的主從式通訊網路，實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路，採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術，實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元，設計了人機信息交互的介面;採用了模塊化的軟體設計方法，開發了裝置主機及探測器的軟體程序。
  7. As to the frequency domain methods, the physical significations of the h performance targets, the selection strategy of the weighting functions, loop - shaping and standard problems of robust h control are discussed. frequency domain design methods of robust h control are also introduced to solve the congestion control problem of the high - speed communication networks, which based on flow rate control

    頻域方法方面研究了h性能指標的意義、權函數的選取、迴路成形及h控制標準問題；最後把h控制頻域設計方法應用於解決高速通信網路基於流速的擁塞控制問題。
  8. In july 2004, the telecommunications authority announced that the type ii interconnection policy for local fixed - line telecommunications services would be withdrawn by june 2008 to promote investment and consumer choice in high bandwidth customer access networks in telecommunications

    2004年7月，電訊管理局宣布，將於2008年6月撤銷本地固網電訊服務的第二類互連規管措施，以促進在電訊市場高頻寬客戶接達網路的投資，讓消費者有更多選擇。
  9. The paper first reviews the research background and actuality of the filter " s design in china and other country, introduces the meaning of the project and the work of the paper, narrates the theory of the switched - capacitor network and the basic switch building blocks, analyses the related factors of the design of sc filter. such as the selection of the architecture, the trade off of the opamp " s gain, bandwidth, phase margin, slew rate and setting time, the effect of the switch " s on resistor, how to reduce the charge injection and the clock feed - through, the power consumption and the selection of the sampling frequency and so on

    本文首先回顧了濾波器設計的國內外研究背景和現狀，介紹了本課題提出的意義以及本文的主要工作，論述了開關電容網路原理和基本開關模塊，分析了開關電容濾波器設計的相關因素：電路結構的選擇，對運算放大器設計中高增益、寬帶寬、相位裕度、轉換斜率和建立時間等的折中考慮，開關的打開電阻對電路的影響，開關電容電路中怎樣減少電荷注入和時鐘饋通，以及整個電路的功耗問題和采樣頻率的選擇等。
  10. In addition, the author puts forward that the eggs could be recognized based on the difference in the frequencies of their prompted sounds. because the eggs " prompted sounds are lied on low frequency bands, the microphone and sound amplifier that have excellent duration response should be used. the output signal from the sound amplifier is transferred to data signal by a / d card before it is put into computer

    蛋品激勵出的聲音主要集中在低頻段，因此選擇在低頻段有好的頻率響應特性的麥克風和放大電路；放大輸出信號通過a / d採集板變換成相應的電壓數值信號送入計算機，對離散的信號數據進行傅立葉變換得到它的頻譜圖和各頻段能量分布圖；而後將能量分佈特徵數據作為神經網路的輸入值，這樣，好蛋和破損蛋的模型就建立起來。
  11. Secondly, this paper analyses data - delivering method, data - transmitting format and fault - control technology, studies and picks out direct sequence spread spectrum, accessing point network topology and the ieee802. 11b network rule, on the basis of which the harbor wireless communication system model is established. each composing part of the system ' s model is given out. the choice of hardware equipments and the design of communication software are expounded

    其次，本文對通信技術中的數據傳送方式、數據傳輸形式和差錯控制技術進行了分析，研究了港口無線通信系統中的傳輸方式、拓撲結構和網路標準等關鍵技術，選取直序擴頻傳輸方式、接入型拓撲結構和ieee802 . 11b網路標準作為港口無線通信系統的技術基礎，建立了港口無線通信系統模型，闡述了該模型的實現方法，包括硬體設備選擇和通信軟體設計。
  12. Cash / margin account ( s ) require e - service ( i. e. mobile phone / touch tone / internet stock trading service )

    現?保證?帳戶選用電子交?服務（即?動電話互動音頻電話互?網路證券交?服務）
  13. The keys of improving the atcxo temperature frequency characteristic are appropriately choosing compensation network and optimization calculation the network parameter

    補償網路的合理選取和網路參數的優化計算是提高atcxo產品的溫度頻率特性的關鍵。
  14. Judging by the different magnitude and direction of the wavelet packet coefficient modular maximum, we can select the single phase - to - earth line. the method using wavelet singularity detection theory to extract the fault time is discussed. a fault distance measurement algorithm combining wavelet analysis used for separating the character from the transient fault signal with artificial neural networks used for the nonlinear approximation from the transient character to fault distance is presented

    論文提出利用各個出線零序電流在頻帶上小波包系數模極大值的方向和大小的不同來實現故障選線，討論了利用小波分析的奇異性來判斷故障啟動時刻，提出將小波分析和人工神經網路結合，利用人工神經網路的非線性逼近能力，實現故障暫態量到故障距離的非線性映射，完成測距。
  15. The latter primarily improves the transmission distance and reliability by selecting the repeater automatically. the frequency domain auto - adaptatation filter algorithm is deduced and reliabity by selecting the repeater automatically. the frequency domain auto - adaptaion filter algorithm is deduced and a method of frequency domain algorithm to restrain the marrow band interference is given on the foundation of the time domain minimum mean square error auto - adaptation filter. then the meter reading system to can learn the power network structure and automatically create linked path by using neural networks auto - study ability and analyzing the reading data

    後者主要是對中繼節點的自動選擇，以提高信息的傳輸距離與可靠性。針對電力線擴頻通信通道的特點，在時域最小均方誤差自適應濾波演算法的基礎上，推導了頻域自適應濾波演算法，並提出了頻域演算法抑制窄帶干擾的具體方法。運用神經網路的自學習方法，通過對抄讀數據進行分析，使抄表系統感知電網拓撲結構，自動建立中繼路徑。
  16. Pilots can elect to receive the hong kong atis and volmet voice broadcast when the aircraft is within the vhf and high frequencymedium frequency ( hfmf ) coverages respectively, or retrieve the full script of the atis and volmet broadcast from their airborne data communications system via the sita aircom network

    飛行員可以選擇當飛機在甚高頻和高頻中頻覆蓋范圍內，分別收聽自動航站情報和遠航氣象情報的語音廣播，又或者透過國際航空電訊公司的網路，在飛機上把廣播訊息全文列印出來。
  17. This thesis regards independent study as basic theoretical foundation, vod video on demand as basic technological foundation, on this convenient network platform of university ' s campus network, studying vod university ' s teaching accessory system. because of vod video on demand technology having the unique right to choose, control power be in users " characteristic, vod university teaching accessory system has some teaching advantage, such as, teaching information pluralism, student study taking independently, teacher roles changing and so on, aim at offering the good network academic environment for the fact that university students learn independently, the teaching resources of the abundant network, the most important thing is that further training then improving university students " self - regulated learning ability

    本論文以自主學習理論作為基本的理論基礎， vod視頻點播技術作為基本的技術基礎，在高校校園網這一方便的網路平臺上，研究vod高校教學輔助系統。由於vod視頻點播技術獨有的選擇權、控制權在用戶的特點，使vod高校教學輔助系統具有教學信息多元化、學生學習自主化、教師角色轉變化、教學資源共享化等教學優勢，為大學生自主學習提供良好的網路學習環境，豐富了網路教學資源，最重要的是進一步培養、提高大學生的自主學習能力。
  18. Furthermore, in the second part, the author makes a deeply discussion and research on the design scheme of dalian tv station non - linear av editing network including the double - net framework, the digital compress technique, the virtual storage technique, the choices of digital compress format, the account of terminal stations, the manage functions and security of the system, etc. finally, in the third part, the author introduces the progress of non - linear av editing network in the future, showing the choices of compress format, software function, i / o interface, whole system of programming and broadcast, combining with internet and interactive tv, points out the direction of tomorrow tv technology system

    在此基礎上，隨后在文章第二部分對大連電視臺的非線性視音頻編輯網建設從其核心技術與具體網路設計方案進行了詳細的闡述。其核心技術主要包括雙網結構、數字壓縮技術、虛擬存儲技術等；具體網路設計方案則包括數字壓縮格式的選擇、站點的數量及功能、系統的管理功能及安全性分析等幾個方面。文章的第三部分則主要通過壓縮格式選擇、軟體功能、上下載介面、制播一體化、與internet結合、交互電視等方面展開對電視臺非線性編輯網路的發展的論述，指出未來電視技術系統的發展方向。
  19. The atv - tvb supplementary response also emphasised that smooth transition should be the priority in formulating dtt policies and the seriousness of the problems of the proposed channels 35 and 37 and multiple frequency networks ( mfns )

    電視的補充回應強調在厘訂數碼地面電視政策時，順利過渡應為首要；以及指出選用第35及第37頻道和多頻網路數碼頻道（ mfns ）的問題的嚴重性。
  20. Whether you choose fangxing will feel very smooth mood ; independent shower, private safe, mini bar, satellite tv to your home warm, you experience high - speed broadband network more online surfing pleasure

    無論您選擇哪種房型，都會感到心情無比順暢獨立淋浴間私人保險箱迷你酒吧衛星電視給您家的溫馨，高速寬頻網路更讓您體驗飆網的愉悅。
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