蜂窩頻率 的英文怎麼說

中文拼音 [fēngwōbīnlǜ]
蜂窩頻率 英文
cellular radio
  • 蜂 : 名詞1. （昆蟲名） wasp2. （特指蜜蜂） bee Ⅱ副詞（比喻成群地） in swarms
  • 窩 : Ⅰ名詞1 （鳥獸、昆蟲住處） nest 2 （比喻壞人聚居處） den; lair; nest 3 [方言] （比喻人體或物體所佔...
  • 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...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 蜂窩 : 1. （蜂巢） honeycomb2. （像蜂巢物） a honeycomb-like thing
  • 頻率 : frequency; rate
  1. Abstract : a new algorithm applied to the fixed channel assignment in the cellular pattern is proposed. it is based on the theory of evolutionary algorithm. it uses the concept of multiple reuse plan ( mrp ) and solve the problem of large scale through blocking algorithm, and it is a fast 、 efficient and parallel searching method. it has been used in frequency plan system of beijing university of posts and telecommunications. it has been used in several plan project for some city, and been adopted because of its good performance

    文摘:提出了一種新的用於蜂窩移動通信中小區規劃的固定頻率分配演算法.它基於遺傳演算法的基本理論，運用多層頻率復用的概念和分塊演算法解決了大規模區域的頻率規劃問題，是一種快速、高效的并行式搜索的頻率分配演算法.該演算法已用於北京郵電大學的頻率規劃軟體系統中，並用它為幾個市區作過規劃，效果滿足要求，且已被采納
  2. Base station identity code. an attribute of a gsm ( global system for mobile communications ) cell which is a code allowing a distinction between local cells having the same radio frequency

    基站識別碼。 gsm （全球移動通信系統）蜂窩小區的一個屬性，通過基站識別碼，不同的本地蜂窩小區可以使用相同的無線頻率。
  3. And people are getting close touch with the mobile communication in the daily life. for the sake of each corresponding using the available frequency source and increasing mobile communication net, radio electric cover frequently adopts the frame of tiny honeycomb

    為了充分地利用現有的頻率資源和增加移動通信網的容量以達到個人通信的目的，目前的移動通信系統的無線電覆蓋常採用微蜂窩的結構。
  4. The advantages of using leo satellite are as following : on the one hand the satellite orbit is low, so the transmission delay is short, the power loss is small ; on the other hand the development of cell communication, multi - access, frequency multiplex and etc also provide a technique guarantee to the leo satellite - mobile - telecommunication. so the leo system is considered to be a satellite - mobile - communication system with a great future

    低軌道衛星是一種運行於1000公里左右的高空中的人造衛星，利用leo衛星實現個人通信的優點在於：一方面衛星的軌道高度低，使得傳輸延時短、路徑損耗小，多個衛星組成的星座可實現真正的全球覆蓋，頻率復用更有效：另一方面蜂窩通信、多址、點波束、頻率復用等技術的發展也為低軌道衛星移動通信提供了技術保障。
  5. Newer cellular phones using new frequencies might make pacemakers less reliable

    使用新頻率的新型蜂窩式電話可能影響起博器工作。
  6. The use of digital radio transmission and the advanced handover algorithms between radio cells in gsm networks allows for significantly better frequency usage than in analogue cellular systems, thus increasing the number of subscribers that can be served

    Gsm網路使用數線傳輸和先進的無線越區切換演算法，可以得到比模擬蜂窩系統好得多的頻率利用，因而增加了服務的用戶數。
  7. To accommodate more users with limited spectrum, the radius of new cellular will be much smaller, the factor of spectrum reuse will be more tight

    為了在有限頻譜范圍內滿足更多的用戶需要，通信系統的蜂窩半徑越來越小，頻率復用密度越來越高。
  8. Spectral efficiency of adaptive transmission in urban microcellular networks

    城市微蜂窩網路中自適應傳輸的頻譜效率
  9. Following the principle of reuse partitioning, two new frequency planning schemes are proposed, the coverage - oriented scheme and the efficiency - oriented scheme, for the cellular system with two - hop fixed relay nodes ( frns )

    摘要根據復用分割原則，提出2種新的兩跳固定中繼蜂窩網的頻譜分配方案，即：側重於覆蓋面積的頻譜分配方案和側重於頻譜效率的頻譜分配方案。
  10. Increase of unnecessary handoff and unbalance of the teletraffic among different cells. using fuzzy mathematical idea, the thesis proposes a fuzzy pcs ( ffcs ) algorithm, which takes into account of three main factors, i. e. the signal strength of common pilot channel ( cpich ), t

    本論文綜合考慮了公用導頻通道（ cpich ）的信號強度、蜂窩的呼叫到達率和基站的可用功率三個主要因素，借鑒模糊數學思想，提出了一種模糊fcs （ ffcs ）演算法，並通過模擬對軟切換、 fcs和ffcs進行了性能比較。
  11. If that is the case with the relatively narrow range of cell phone frequencies, it is even more likely the case with the frequencies which may be used to cause direct, intentional harm to a person

    如果那是相關的狹窄范圍的蜂窩電話頻率的案例，它甚至更象是那些可以被用來導致直接、故意的傷害一個人的頻率的案例。
  12. With the rapid development in personal communication technology, the microcell covering range is becoming smaller and smaller in order to accommodate more users with limited resource of frequency

    隨著個人通信技術的發展，為了充分利用無線電頻率資源，個人通信業務中的微蜂窩覆蓋范圍將越來越小。
  13. Recently spread spectrum technique has been used widely in wireless data communication, cellular mobile communication, military communication and telemetry monitor system with resistance to interference, high usage of spectrum, resistance to multi - path fading, so investigators in communications field pay more attention to the technique, especially direct sequence spread spectrum ( dsss ) technique

    近年來，擴頻技術以其抗干擾能力強、頻譜利用率高、抗多徑等優越性能在無線數據通信、蜂窩移動通信、軍事通信以及遙測監控系統中獲得了廣泛的應用，並日益受到通信領域研究人員的重視，特別是直接序列擴頻技術（ dsss ） 。
  14. In cellular envirorunents, because of the influence of several adverse factors, such as muitipath, non - line - of sight propagation, noise, interference and channel frequency characteristics, radio statistics measuremenis like tdoa, toa and aoa related to mobile position, the performance of location algorithms mny be significantly degraded and the position estimation of ms is inevitably biased

    在蜂窩網路環境中，由於受多徑、非視距傳播、噪聲、干擾和通道頻率特性等多種不利因素的綜合影響，使tdoa 、 toa 、 aoa等與移動臺位置有關的電波特徵測量值不可避免地出現較大誤差，從而使各種定位演算法的性能顯著下降，造成移動臺位置估計出現較大偏差。
  15. Current cellular networks reuse the same radio frequencies by assigning them to cells far enough apart to reduce interference

    當前的蜂窩網路通過將相同的無線電頻率分配到遠遠分隔的小室來減少干擾，以重復使用這些頻率。
  16. Sometimes when a mobile user crosses the boundary from one cell to another. the current call is abruptly terminated, even though all transmitters and receivers are functioning perfectly. why

    相鄰蜂窩頻率不能重用，故當用戶跨越邊界時，要分配新的頻率；為何有時會突然終止呢？
  17. To solve the former problem, hiarachical cellular system ( hcs ) could be applied, where macrocells cover low - teletraffic areas and serve slow calls, while microcells overlay high - teletraffic areas and serve fast calls. by this means, better spectrum efficiency can be achieved and the number of handoffs can be decreased

    對於前者，採用多層蜂窩系統（ hcs ） ，使得宏蜂窩覆蓋低話務量地區並為快速呼叫提供服務，而微蜂窩覆蓋高話務量地區並為慢速呼叫提供服務，這樣既保證較高的頻譜利用效率，又能有效地降低呼叫的切換次數。
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