無信號區 的英文怎麼說

中文拼音 [wúxìnháoqū]
無信號區 英文
hole
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 區 : 區名詞（姓氏） a surname
  1. Facilitating the configuration of protocol parameters, optimization of protocol operations, and more exact estimation of protocol performance, etc. basing on combinatorial theory and asymptotic method, we analyzed the properties of manets with nodes uniformly distributed in rectangular region. mathematical formulas of some basic properties of manets are obtained, such as the expected number of wireless links, mean node degree, the relation between network connectivity and radio range

    因此本文第二章基於組合學方法和極限思想研究了矩形區域內節點均勻分佈的無線自組網的幾項基本屬性，網路中鏈路總數的期望值，網路中節點度數分佈情況，以及網路連通性與無線信號傳輸半徑的關系等，得出了其解析描述。
  2. Because of the different function of roads and the difference of region, the form of intersections and connections between them is different with each other. at present, the types of nodes adopted in china and abroad include uncontrolled intersections, all - way stop - controlled intersections, two - way stop - controlled intersections, signalized intersections, roundabouts, grade - separated junctions and their combinations. each type of nodes has different characteristics and adapts to different function demands

    城市道路是以網路形態分佈於城市區域內的地面交通設施，由於道路的功用不同以及地域的差異，各道路間的交叉和連接方式各不相同，目前國內外所採用的節點形式有無控制平交節點、全停牌控制平交節點、二路停牌控制平交節點、信號燈控制平交節點、平面環行節點、立體交叉節點以及它們的組合形式，各種節點具有各自的特性，適合於不同的功能需求。
  3. The automatic identification of the modulation types has been applied to many fields such as source identification, interference identification, radio interception, - electronic countermeasures, etc. the modulation recognizer based on the decision - theoretic approach and the constellation diagram is proposed and the signal ' s kurtosis is used as the indicator to differentiate the analogue modulation from the digital modulation

    通信信號調制類型的自動識別廣泛應用於信號確認、干擾辨識、無線電偵聽、電子對抗和信號監測等領域。本文提出基於決策論與星座圖的綜合調制識別器，使用信號的峰度區分調制類型是模擬調制還是數字調制。
  4. Once has the bandits and thieves to intrude guards against the place, the detector launches the wireless coded signal immediately, the networking center number which installs when is apart from defense area 150 meter within the main engine to send out the police whistle sound to report to the police immediately, reports to the police dials to establish in advance or reports to the police the telephone, the handset number, answers in the police telephone to return puts user pre - record to report to the police the pronunciation, long - distance reports to the police, simultaneously comes the real - time transmission through the internet to deploy troops for defense, to withdraw from a defended position, to report to the police and so on the condition, inquires the historic record through the computer network

    該系統還採用美國進口原裝晶元與先進的無線數字高頻技術微電腦cpu控制器主機組成。在防範地點安裝好主機后，並設置在布防狀態。一旦有盜賊闖入防範地點，探測器立刻發射無線編碼信號，安裝在距防區150米以內的主機立即發出警笛聲報警，報警時撥打預先設定的聯網中心號碼或報警電話手機號碼，接警電話里回放用戶預錄的報警語音，遠程報警，同時通過網際網路來實時傳遞布防撤防報警等狀態，通過電腦網路來查詢歷史記錄。
  5. According to the characteristics of pipeline leak signals that the influence degrees of burst interference noises are various in each local area, this paper optimizes the uniform quantization to be adaptable, and proposes an adaptive quantization

    根據管道泄漏信號局部區域受到突發干擾噪聲影響程度的不同，本文進一步優化均勻量化器，將其改進為自適應量化器，提出了基於突發干擾噪聲的自適應量化近無損壓縮演算法。
  6. With the exception of the tropical western pacific of large mld. there is negative correlation relationships between the anomaly of the sst mjo intensity and that of the mld in the other three regions in the seasons of the climatic small mld thus the causes of climatic and anomalous characteristics of atmospheric mjo are related to sst identically, and the corresponding features of sst mjo are related to mld, 3 ) enso is the strongest sign and can lead to the distinct sst and mld anomaly, hence the intensity anomaly of the air - sea system inevitably takes place during the enso

    Sst季內振蕩強度與mld異常的局地同時性相關結果是，熱帶西太平洋無顯著相關（氣候mld較大） ，其餘三關鍵區氣候mld小的季節均存在sst季內振蕩強度與mld異常的負相關聯系。因此大氣季內振蕩氣候及異常特徵直接成因一致地與sst 、有關；海洋季內振蕩相應特徵則直接與mld有關。 3 ） enso是海氣系統中最強異常信號，在海洋中它引起了sst 、 mld的明顯異常，因此，伴隨enso必然發生海氣系統季內振蕩強度的異常。
  7. The characteristics of precipitation anomalies in summer, previous and simultaneous ssta and preceding winter accumulated snow depth anomalies corresponding to positive and negative phases of 10 - yr mode and 25 - 30 - yr mode are discussed respectively. no matter for 10 - yr mode or for 25 - 30 - yr mode, reverse characteristics corresponding to positive phases and negative phases appear in the above fields. it proves that the decadal variation of sah have a good relation to the decadal variation of other key element of climate system and we can regard sah as a strong signal of the anomalies in the climate system

    （ 4 ）夏季南亞高壓東西振蕩具有明顯的年代際變化特徵，本文分別討論了對應於10年周期態的正位相年和負位相年及25 - 30年周期態的正位相年和負位相年時夏季我國降水距平、前期及同期海溫距平及前冬青藏高原積雪距平的分佈特徵，發現無論是10年周期態還是25 - 30年周期態，對于夏季南亞高壓東西振蕩的正位相年和負位相年以上各要素場呈現為很好的反位相特徵，說明夏季南亞高壓的年代際變化與氣候系統中其他要素的年代際變化具有很好的關聯性，可將南亞高壓看作氣候系統中大氣子系統異常的強信號，通過分析南亞高壓的年代際異常可以更直接地研究和預測區域氣候異常。
  8. Firstly, the ridge resolution under multi - component situation is analyzed ; a conclusion shows that the resolution is close related with the ratio between component instantaneous frequencies ( if ). generally if this ratio is greater than 2, the ridges could be well separated ; when this ratio is less than 2, the interaction between ridges will form a complex ridge image so that it being impossible to locate single ridge

    首先針對多個信號分量的情況，定量分析了脊的解析度，並得出結論：脊的解析度與信號分量瞬時頻率的比值密切相關，一般在比值大於2的情況下，兩條脊能夠很好地區分；在比值小於2的情況下，脊之間互相干擾，形成復雜的脊分布圖像，無法提取單條的脊。
  9. In order to measure the characteristics of such semiconductor optical amplifier, we adopted a set of measurement system. this measurement system can be used to measure the characteristics of all kinds of active or inactive optical passive components. such device presents good polarization insensitivity ( < 0. 9db ), wide 3db bandwidth ( > 33nm ) at 0 - 200ma and different input signal light wavelength and power, the maximum fiber - to - fiber gain of 10db, lossless operation current of 50 - 75ma for different input signal light wavelength and power, large extinction ratio ( > 50db ) and lower noise figure ( nf ) ( < 8db )

    與張瑞英博士一起，首次利用該種有源區結構制備出偏振不靈敏半導體光放大器，並在0 - 200ma注入電流范圍內獲得33nm的3db帶寬，在不同信號波長，不同信號功率0 - 200ma的注入電流范圍內，偏振相關損耗均《 0 . 9db ，在耦合差損為7db / facet的條件下，最大fiber - to - fiher增益達10db ，無損操作電流為50 - 70ma ，消光比達50db以上，而噪聲指數則低於8db ，最小可達4 . 6db 。
  10. The main parts of the article are the designation of magnetic path for the detecting system and the " no blind areas " method, which is based on the signal relativity operation

    本文的重點在於系統的磁路設計，採用信號相關性運算比較被測鋼管信號和模板信號縮小端頭盲區的「無盲區」方法。
  11. He cuts power to grid 1 4 - a. he radios me. i signai linus

    他關掉14 - a區的電源，然後用無線電通知我我再發信號給萊納斯
  12. The land clutter is useless signals for target detection caused by land terrain. the multipath effect is some kind of interference which is caused by wave reflection on terrain. the diffraction effect is the phenomenon of wave propagation into shadow region

    地雜波是由地面散射引起的對目標探測無用的信號;多路徑是由電磁波在地面反射所引起的干涉;衍射則是電波繞射傳播到遮蔽區的現象。
  13. Critical gap investigation at unsignalized intersections in china typical region

    中國典型地區無信號交叉口臨界間隙調查
  14. A basic principle, method and realization process that can automatic search, take and survey aims based on maximum principle of strength of distance measurement signal is introduced

    摘要介紹了一種基於測距信號強度最大原理進行目標的自動搜尋、照準與測量的基本工作原理、方法與實現過程，分析了其適合於作為固定站用於無人看守的危險地區的長期變形監測。
  15. For those multi - component signals like speech signal, such interaction is a common situation. secondly, a new common ridge method is discussed ; a common ridge across the complex ridge image is used instead of several interacted single ridges

    因此對于語音等含有多個分量的信號，頻率相鄰的分量分別形成幾個帶狀區域，每個區域內脊互相干擾，無法分辨的情況是普遍的。
  16. The bbc is taking the internet very seriously, for it ' s a cheap way of getting a reasonable quality signal to places in the world that even our short - wave transmitters can ' t adequately reach

    英國廣播公司非常認真地對待網際網路廣播一事，因為網際網路廣播可以用較少的投資將音質不劣的信號傳達到短波都無法傳達的地區。
  17. After the original data acquired from the experiment were filtered by wavelet transformation, the energy integral of the filtered signal was taken as stress wave factor ( swf ), from which the material can be distinguished between demage and undamage, and the degree of damage can be qualitatively estimated

    在對所得試驗信號進行小波濾波后，應用了能量積分方法量化應力波因子，據此值可以區分材料有無損傷，並可定性地評估損傷程度。
  18. The urban traffic coordination control arithmetic based on distributed q - learning doesn ’ t need an upper supervision level which is widely used in traditional urban traffic control. it is a kind of potentially instructive urban traffic coordination control mode which doesn ’ t need traffic flow model and the

    基於分散式q學習的區域交通信號控制系統擺脫了一般上層監控的遞階控制模式，無需預先了解交通流模型，各交叉口之間的通信量少，是一種具有一定潛力的區域交通信號協調控制模式。
  19. In chapter 2, the advantages and disadvantages of the two ranging waveforms, namely, classical pulsed waveform and fmcw waveform, are compared in terms of the target distance

    文中首先根據目標距離對比了脈沖法和fmcw兩種測距方法的優劣，然後選擇無測距盲區的fmcw作為發射信號。
  20. A dual mode of wireless communication is adopted. the gprs network is used for outdoor wireless communication, which enables the instant transfer of collection and delivery information to and from field postmen. for indoor network connectivity with the pdas, wireless lan is used to compensate for the bandwidth and signal strength limitations of the gprs network

    系統採用雙制式無線通訊：戶外無線通訊使用通用分組無線電訊服務網路，令系統和外勤郵差可以即時互相傳送收派郵件的資料在室內以個人數碼助理聯網時，則使用無線局部區域網路，彌補通用分組無線電訊服務網路頻寬和信號強度的限制。
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