有效傳輸增益 的英文怎麼說

中文拼音 [yǒuxiàozhuànshūzēng]
有效傳輸增益 英文
effective transmission gain
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • : 傳名詞1 (解釋經文的著作) commentaries on classics 2 (傳記) biography 3 (敘述歷史故事的作品)...
  • : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
  • : Ⅰ名詞1 (好處) benefit; profit; advantage 2 (姓氏) a surname Ⅱ形容詞(有益的) beneficialⅢ動詞...
  • 有效 : effective; valid; efficacious
  1. With the rapidly development of computer network technology and the widely use of network technology in every walk of life, people transmit data through computer network more and more frequently, including all kinds of secret information ( for example, military secret ; bussiness secret ; personal private information ). today, as a result of poor security of our network system, we can not prevent the transmittied information from stealing and modifying unlawful. thus, the computer network technology is applied to our daily life restrictedly. recently, many network applications with voip ( for example msn messenger ; dialpad ; distributed multipoint multimedia conferences ) take no measures to encrypt their data

    隨著計算機網路技術的迅猛發展和網路技術在各行各業中的廣泛應用,人們通過計算機網路數據日加,其中包含了各種機密信息(例如軍事機密信息、商業機密信息、個人隱私信息等) 。由於目前的網路系統缺乏足夠的安全性,不能防止網路上所的信息被非法竊取和修改,因而極大地限制了計算機網路技術在日常工作中的應用。當前,基於voip技術的各種網路應用,如msnmessenger , dialpad ,以及一些分散式多媒體會議系統,竟然未採取任何加密措施
  2. In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab

    針對無連接和面向連接的各種復雜網路環境下,通信頻帶資源緊張,音頻帶寬限且復雜多變,而各種音頻數據又日多的局面,本文研究小波分析在信號處理方面的數學依據和在數據壓縮方面的實際意義,在前人不斷工作的基礎上,提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算法,兼考慮了編碼率、多碼率和壓縮時延多個方面,並在matlab環境下做了模擬實驗,對各種音頻信號及多種小波函數做了模擬結果比較,實驗結果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮果,達到多碼率下實現實時編解碼的過程,在高速dsp晶元等硬體設備支持下,可以應用於實際復雜多變信源編碼。
  3. It is reflected in the aspects of quantity and quality ; ( 3 ) the unsatisfactory benefit. the number of enterprises entering the epz in per square kilometer, the amount of investment, and the total value of import and export are not satisfactory ; ( 4 ) the high cost of operating and managing the enterprises inside the epz. on one hand, indirect purchase inside the nation increases cost ; on the other hand, the transportation under the supervision of customs increases the cost of logistics ; ( 5 ) the little technological content of the enterprises inside the epz

    發展速度緩慢,主要體現在總量和速度兩方面;項目引進難、規模偏小,主要體現在數量和質量兩方面;較差,每平方公里的進區企業數、引資額、進出口總額、出口總額都不理想,收微薄;入區企業運行維護成本高,一方面國內間接采購加費用,另一方面海關監管運加物流成本;入甲文摘要旦旦旦旦旦旦旦旦旦旦旦旦旦旦旦旦區企業科技含量較低,五家企業中只一家屬于高科技企業,另外四家都屬于統機加工企業;前後向聯系差,帶動應弱。
  4. At the same time it will increase the sustainable market competition ability, management level, service content, reputation and profit of shanghai company. the paper is separated in to five sections : 1. describe the conception of transportation management, basic idea in design and management of supply chain, the position, function and importance of transportation in all supply chain of wu steel

    作者期望通過該論文的撰寫,從上海公司經營戰略的角度出發,對武鋼現統運模式,隨著外部環境的變化,按照系統的物流管理理念,從理論上的加以分析、研究和整合,一方面滿足貨主的需求,為武鋼提出的運模式和運力的匹配,從而達到降低武鋼進口鐵礦石運成本;另一方面可提高上海公司的經營管理、提升服務內涵和企業品牌,強市場的可持續競爭力、和經濟
  5. By formula about effective bandwidth, he get the bandwidth near 1540 nm wavelength, which is 64. 54nm. the bandwidth is more bigger than the gain bandwidth of er - doped silica fiber and fluoride fiber amplifier ( 20nm - 30nm ). it is useful to improve transmitted capacity of information in fiber

    對1540nm處光譜帶寬的計算,得到結果為64 . 54nm ,這個帶寬已遠高於目前常用摻er硅光纖和氟化物光纖放大器的20 - 30nm帶寬,于擴大光纖信息容量很大處。
  6. To accelerate the development of next generation high dwdm system, the pape r also researches the property of gain. based on optical wave nonlinear transmission equation, the gain model of fra is established. by the way of numerical analysis, it is obtained that the gain of fra has relation with pump power, input signal wave power, the effective area and absorption of fiber. the obtained conclusion has definite instruction to the design of fra

    為了促進下一代超高速dwdm密集波分復用技術的發展,本文還研究了光纖喇曼放大器的特性,根據光波非線性方程建立光纖喇曼放大器模型,通過數值模擬分析了泵浦波功率、信號入光功率、以及光纖面積和損耗對光纖喇曼放大器的影響,得出了一些對光纖喇曼放大器的設計一定的指導意義的結論。
  7. Aal2 technology is mainly used to transport voice > date, video, improving the statistical utilization efficiency by the voice compression and silence elimination technology

    Aal2主要用於在atm虛通路上話音、數據和圖像,並可利用話音壓縮技術和靜默檢測及消除技術來提高統計復用
  8. On the base of the fujian power system that has the special configuration of " large power generator with small power system " in 2000, constructs power system models of fujian and fujian interconnected with other parts, does a lot of calculation and analysis and simulation, researches the security mechanism and rule of the fujian special power system interconnected with large power system. the above connection can keep security and stability and can make obvious benefits, but when the transmission power reach to excessive quantity the main power grid will increases interconnected flow - in or flow - out exchange power load. the power operation state tended to instability ; the infirmable interconnection make s the damp infirmable

    本文以2000年前後具「大機組小電網」特殊結構的福建電力系統為背景,建立了福建電力系統及其與外部互聯的數學模型,開展大量的模擬計算分析,研究了「大帆組小電網」電力系統與大容量電力系統互聯偏弱的安全穩定性的機理和規律:前述互聯可以安全穩定運行,取得顯著,當功率達到一定量后,主網架加了送出或吸收互聯交換功率的負載,系統運行狀態向穩定性水平所下降的方向轉移;聯絡偏弱使阻尼偏弱,聯絡線小幅低頻振蕩和大幅低頻振蕩易被激發,聯絡線一旦重載斷開,系統高周或低調嚴重。
  9. Gaas pcss have many advantages over others in response speed, the transfer efficiency of light into electricity and high voltage resistant, especially they can operate in a nonlinear mode with high gain which can reduce the triggering optical energy by 3 - 5 orders of magnitude comparing to the conventional linear mode. this makes it realistically possible to realize the miniaturization, practicality and integration of the system of pcss 。 this paper summarized pre - used ultra - wideband source circuit using pcss, and the exhaustive theoretic analysis of traditional auston circuit and pulse - forming circuit is presented

    Gaas光導開關與si光導開關相比具響應速度快、率高、耐高壓的能力強,尤其是它除可以按常規的線性模式工作以外,還存在一種高的非線性工作模式,這種模式可使光導開關導通的光能比常規模式降低3 ~ 5個數量級,從而為光導開關的小型化,實用化,集成化提供了現實的可能性,因而倍受人們的關注。
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