等干擾標準 的英文怎麼說

中文拼音 [děnggānrǎobiāozhǔn]
等干擾標準 英文
equi-interference standard
  • 等 : Ⅰ量詞1 （等級） class; grade; rank 2 （種; 類） kind; sort; type Ⅱ形容詞（程度或數量上相同） equa...
  • 干 : 干Ⅰ名詞1 （事物的主體或 重要部分） trunk; main part 2 （幹部的簡稱） short for cadre Ⅱ動詞1 （做...
  • 擾 : Ⅰ動詞1 （擾亂; 攪擾） harass; trouble 2 （客套話 因受人款待而表示客氣） trespass on sb s hospital...
  • 標 : Ⅰ名詞1 [書面語] （樹梢） treetop; the tip of a tree2 （枝節或表面） symptom; outside appearance; ...
  • 準 : Ⅰ名詞1 （標準） standard; guideline; criterion; norm 2 （目標） aim; target Ⅱ動詞1 （依據; 依照）...
  • 標準 : （衡量事物的準則; 榜樣; 規范） standard; criterion; benchmark; pip; rule; ètalon （衡器）; merits
  1. Compared with conventional lan, the wlan has a lot of advantages, such as movability, convenience to access, confidentiality, antijamming, easy to maintain and low cost. now, the most widely used wlan technology is based on ieee 802. 11 standard. however, the traditional security methods, for example wep, are proved not insecure

    與傳統的有線網路相比，無線局域網wlan （ wirelesslan ）具有可移動性、用戶接入靈活、保密性強、抗干擾性好、維護方便以及良好的性價比等優點，現在應用最廣泛的就是基於ieee802 . 11標準的無線局域網技術。
  2. The specific research methods are listed : 1. matched filter taking the max ouput snr as the best rule correlates nonstop divided signal and divided echo to detect low snr target signal. then all one dimension divided correlation outs and done fft in portrait to leach interferential signal such as static or low rate mussy meaves, many pathway echo and so on and to take target ' s time difference and doppler frequency that combine parameters that target ' s direction taken from antenna and so on to implement target ' s orientation and tracking

    具體研究方法如下： 1 、採用以輸出信噪比最大為準則的最佳匹配濾波器來對分段的參考和目標信號作相關處理來檢測低信噪比目標信號，然後對一維分段相關輸出組作縱向傅立葉變換來濾除靜態或低速的雜波、多徑回波等干擾信號，並提取目標的時差和多普勒頻率，再結合由天線獲得的目標方向等參數，就可以實現目標的定位和跟蹤。
  3. " endothelial vasodilator dysfunction and carotid intima - media thickening are the early markers of arteriosclerosis, " explained professor woo. " in adult obesity, there are many other risk factors such as hypertension and abnormality in lipids metabolism, it is very difficult to delineate the direct effect of obesity to vascular changes. however, it may be easier in children when we can avoid the interference of other risk factors and more precisely isolate the effect of obesity.

    血管內皮功能障礙和頸動脈內中膜增厚是反映血管粥樣硬化的早期指標；在成年人中，由於與肥胖並存高血壓、脂肪代謝紊亂等多種因素的相互影響，很難評估肥胖對心血管粥樣硬化性疾病的直接危害關系；在兒童時期進行檢測，就可避開上述的多種其他因素的干擾，更準確地預測出單純肥胖對血管硬化的影響。
  4. During the construction of the dam foundation cut - off for dalong water control project, the construction techniques adaptable to the construction under the condition with high interference, short construction period and strict quality standard are selected through the related productive experiment, with which the problems such as the prevention and treatment of hole collapse and lowering steel reinforcement cage and pre - embedded grouting pipe into place are solved, and then the successful construction of the cut - off is guaranteed as well

    摘要在大隆水利樞紐壩基防滲墻施工過程中，通過生產性試驗選擇出了適合該防滲墻工程施工干擾大、工期緊、質量標準高的要求的施工技術，解決好了孔口塌孔的預防、處理及鋼筋籠和預理灌漿管下設等技術難題，保證了該防滲墻工程的成功建設。
  5. For the electronic proving ground reality, the advantages and shortcomings of several evaluation criteria are synthetically compared through studing jamming and antijamming effects between oppressive jamming and the target search radar. according to the ultimate effectiveness criterion, the method of using the tactics and technology indices to evaluate the radar jamming and antijamming effects in quantity is discussed. the quantitative grade judgement on jamming and antijamming effects are presented

    從電子裝備試驗靶場的實際出發，通過研究壓制性干擾對目標搜索雷達的干擾，以及後者對前者的抗干擾效果，綜合比較了幾種評估準則的優劣，依據最終效果準則，分別論述了用技術指標和戰術指標定量評估雷達干擾抗干擾效果的方法，提出了干擾抗干擾效果的定量等級評判，並通過信干比、抗干擾改善因子，將戰術、技術指標評估統一起來，二者在實質上是等效的。
  6. This paper first introduced the electronic war ' s basic concept, development process and its developing trend, and then gives out the theory, key technology, application and developing trend of communication scout, direction - finding communication and communication jam in great detail. after that the cjw - 2000 system was referred to, and its system function and information flowing was analyzed. then the paper analyzed and introduced the theory, function, system structure, technical guide line and working flowing of the electronic jam rivalry scouting and analysis sub - system in detail. at last it gave the analysis of the interface standard of the electronic rivalry scouting, its interface message format and the data - base design of different equipments

    本文首先簡單介紹了電子戰的基本概念、電子戰的發展過程及發展趨勢，接著比較詳細地分析了通信偵察、通信測向、通信干擾等的原理、關鍵技術、應用及發展趨勢，然後對cjw - 2000系統進行了簡單介紹，並且對其系統功能及信息流程進行的簡單分析，之後又對cjw - 2000系統中的電子對抗偵察與分析分系統的原理、功能、系統結構、技術指標和工作流程等進行了比較詳細的分析與介紹，最後詳細分析了電子對抗偵察與分析系統的介面標準，並對電子對抗偵察與分析系統內部不同設備之間的介面報文格式以及數據庫的設計進行了詳細的分析。
  7. The thesis is organized as below : in chapter 1, the background knowledge is given which is needed for study on bluetooth security mechanism and implementation. first bluetooth technology is overviewed including its develop history, radio interface, physical links, interference, network topology, core protocol, etc. next communication security is introduced according to the model of network security architecture from osi. finally some primary cryptographic techniques are discussed based on symmetric encryption, asymmetric encryption and advanced encryption standard published years ago

    本文研究了利用藍牙技術提供各種安全服務和實現的課題，並通過一些具體實現的實例進行闡述，具體安排如下：在第一部分，本文首先回顧了藍牙技術及發展情況，主要包括藍牙發展簡史、藍牙標準的射頻介面、物理鏈路、干擾情況、網路拓撲結構以及核心協議等；然後介紹了通信安全的基礎知識，討論了osi系統中的四層網路安全結構模型；最後給出了各種加密技術的基本理論，包括對稱加密體制如des和blowfish 、非對稱加密體制（ rsa公鑰演算法、數字簽名和身份證明等）以及新一代的高級加密標準（ advancedencryptionstandard ， aes ）等。
  8. According to flight dynamics, a particle model and an attitude model in launching coordinate system and in quasi missile body coordinate system are established, the influence imposed by constant wind, thrust bias of the motor and connection bias are analyzed

    應用飛行動力學理論，建立了發射坐標系與準彈體系下助推段和分離過程質點運動和姿態動力學模型，分析常風干擾、發動機推力偏差和裝配誤差影響等。
  9. Here it is late. the study object is the emc of the pcb in this paper. at first the paper introduce the basal concept and theory, the factor of disturb and the transmit route, the standard and the measure of emc

    本論文以印刷電路板的電磁兼容為研究對象，首先對電磁兼容的基本概念和原理、干擾的要素和傳播途徑、電磁兼容標準規范、實現電磁兼容的措施手段等進行介紹，具體對于各種典型傳播耦合方式進行了深入探討。
  10. The optode shows a satisfactory linear response for the dissolved oxygen in water ( r = 0. 9992, n = 6 ) the relative standard deviations were 1. 7 % 5. 0 %, the detection limit was 0. 03 11 g / ml ( sfn = 3 ). the exposure time and recovery time of the optode membrane are 30s and 90s respectively. the reversibility of the fluorescence signal was evaluated by alternate measurements in oxygen saturated water and nitrogen - purged water

    7 5刀之間，最低檢出限為0刀3pg il ；考察了標準海水中主要離子濃度放大1倍后的樣品溶液、鹽度在0 49范圍內的人工海水，以及ph在l 13范圍內的緩沖溶液等干擾因素的對膜響應的影響，結果無顯著性干擾；將本法與國標法相比較，驗證了方法的可用性，最終用於在線監測海水中的溶解氧。
  11. Based on the analysis of present commonly used scene matching area selection algorithms, this thesis presents a new a approach in the selection of scene matching area, gis supported scene matching area selection based on image content. the new method shows great efficiency in solving the problems faced in present algorithms, which are high reliance on image quality, low resistance to noise, low veracity and mass process time

    依據本文提出的基於最小誤判概率的景象匹配區選擇方法評價標準對目前常用的景象匹配區選擇方法進行評價后，針對現有方法受圖像質量影響較大、抗干擾能力低、準確性低以及計算量大等多方面的問題提出融合圖像內容的景象匹配區選擇方法。
  12. Multi - uesr detection ( mud ) refers to signal detection in multiple access communications. this detection has many good properties, such as decreasing multiple access interference, canceling out or moderating near - far resistance, able to decrease the requirement for output control, compensating the effects due to inoptimal orthogonality, improving system performance and increasing system capacity. mud is one of the methods that can overcome the mai in cdma with most potential and complete and becomes one of the critical techniques in the third generation mobile communication

    多用戶檢測是指多址通信中的信號檢測，具有抑止多址干擾;消除或減輕遠近效應;可適當降低對功率控制的要求;彌補擴頻碼互相關性不理想造成的影響;改善系統性能，提高系統容量等眾多優點，是克服cdma多址干擾最有潛力、最徹底的一種方法，並已成為第三代移動通信標準中倡導的關鍵技術之一。
  13. The current harmonics it produces deteriorate the quality of the power source, which eventually affect the other equipment. in order to solve this problem and meet the requirement for standards, such as iec 555 - 2, iec 1000 - 10 - 3 - 2, ieee 519, and iec 6100 - 3 - 2, a lot of power - factor - correction circuits, as the best way to improve power quality, have been developed

    所產生的諧波污染了電源的質量，並最終干擾其它電氣設備的正常工作，為了解決這一問題以滿足諸如iec555 - 2 、 iec1000 - 10 - 3 - 2 、 ieee519 、和iec6100 - 3 - 2等標準的要求，許多功率因數校正變換器作為解決這一問題的最佳方法被研製出來了。
  14. Confronting competition from the international community, mr. tsang has come up with a series of novel ideas ; reducing profits tax ; providing various tax concessions and further opening up the market to boost competitiveness and create a better investment environment for such major industries as finance, tourism and telecommunications ; investing in infrastructure ; and improving transportation networks. all these measures are set out with specific targets to be met by moderate means so as to boost the market without artificial interference

    面向國際社會競爭，曾司長今年亦創意良多，降低利得稅，通過多項減免稅款及開放市場，加強本港主要行業，即金融、旅遊、電訊等服務的競爭能力及投資吸引力；持續基建投資，改善交通運輸系統等措施，都目標準確，手段溫和，為市場加添鼓勵因素，而又不作出任何人為干擾。
  15. Then on one hand, author makes researches of anti - jamming against pulse jamming 、 gauss white noise jamming and radio frequency noise jamming from the side of signal processing. author exercises much signal processing knowledge of time - domain sliding window accumulation 、 wavelet analysis 、 time - frequency analysis and linear prediction and carries out many simulation experiments. on the other hand, author proposes the anti - jamming methods of using a sar similar to double - base radar and modulating the amplitude 、 the phase of emission signal and changing the frequency modulation slope from the side of changing sar system model

    作者首先提出了合成孔徑雷達抗干擾的定義、分類以及評價抗干擾方法好壞的主客觀標準；然後，一方面從信號處理的角度出發對脈沖式干擾、高斯白噪聲干擾以及射頻噪聲干擾進行了抗干擾研究，其中運用了時域滑動窗口積累，小波分析，時頻分析以及線性預測等信號處理知識，做了大量的模擬實驗；另一方面，本文基於改變合成孔徑雷達系統模式提出了利用類似雙基地雷達來抗干擾，以及對發射信號進行調幅、調相以及改變調頻斜率來抗干擾，同樣做了相應的模擬實驗。
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