背對背干擾 的英文怎麼說

中文拼音 [bēiduìbēigānrǎo]
背對背干擾 英文
back to back interference
  • : 背動詞1. (用脊背馱) carry on the back 2. (擔負) bear; shoulder
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : 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...
  • : 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...
  • 背對背 : back to back背對背二極體 back-to-back diode
  1. To show the applicability of the proposed algorithm for engineering problems, the thesis computed the radiated electromagnetic field of a switched mode power supply, with special attention on the analysis of the emi in the electronic control circuit. different numerical results and two valuable guidelines are drawn

    從而以實際高頻開關電源為工程景,通過高頻開關電源產生的輻射電磁場的分析,重點計算了該開關電源控制迴路處的主要電磁,得出了相應的數值計算結果和可供實用參照的結論。
  2. By calculating parameters including the link length, the azimuth angle, the elevation, the optical power that the inter - satellite optical cdma communication system will receive, the variation range of the azimuth angle and the elevation from the optical antenna of atp are understood well. by analyzing the factors to impact bit - error - rate ( ber ) from the received power, multi - user disturbing, background noise, wavelength, bit rate etc, measures to guarantee high performances of the system are obtained, especially those for smoothing the fluctuation of the received optical power from host platform vibration

    分析研究了衛星光cdma通信系統中衛星仰角、方位角和距離,給出了探測器能夠接收到的光功率以及atp子系統捕獲及跟瞄的范圍;衛星光cdma通信系統性能模型和基於衛星振動系統性能模型的研究,分析了多用戶、接收光功率、景光噪聲、振動偏差以及碼速率系統誤碼率的影響,給出了相應的改進措施。
  3. Such asystem should extract the target from complicated and chaotic background of scatteringdisturbance quickly and reliably, thereby people on vehicle can react to the enemy target asquickly as possible

    這種系統應能從復雜的和混亂的散射景中迅速、可靠地提取目標,從而使乘員能盡快地敵目標作出反應。
  4. Eeg is faint in a background of strong interference, so most hospitals adopt special shielding room to detect eeg signal so that patients can ’ t be inspected in time

    由於腦電信號的微弱性以及它的強景,目前大多數醫院仍然採用專用腦電屏蔽室進行檢測,這使得病人的監護缺乏實時性,不能隨時監測病人的病情。
  5. We provided a new method that tried to transform the whole image to featured space and facilitated identification and self - elimination of disturbance according to the hue and luminosity features of eyes of human being. we gave the definition and description of the transformed space. a wavelet - texture filter was designed to distill space - transform - based feature of the image itself was executed

    根據人眼顏色、亮度等不同的敏感性以及圖像本身的性質,仿人眼變換域分析圖像形成光學濾色鏡效果,減少復雜景顏色和相似形狀的多重,並以此定義和表徵變換域特徵空間,給出變換域小波紋理車牌特徵,成功提取車牌字元區域; 2
  6. 2, the optimal designed digital matched spatial filter ( dmsf ) was used to perform real - time optical correlation, which not only has the merit of large storage and renewability as well as common digital filter, but also has the virtue of high correlation s / n which the holographic optical filer owns

    2 、優化設計的數字空間匹配濾波器,既有數字濾波器的大存儲容量並可實時刷新的特點,又有全息光學濾波器高相關s n的優點。于處于嚴重景噪聲下的多個畸變目標,也可獲得高相關s n 。
  7. To detect transient signals under complex background, a novel method of aliasing - free exponential bilinear time - frequency distribution is presented in this paper, which can avoid the frequency aliasing and information loss existing in the traditional bilinear distributions, reduce the cross - terms effectively and possess high time - frequency resolution

    摘要針復雜景條件下瞬時信號的探測,提出一種新的無混疊雙線性時間頻率分佈方法,該方法能夠避免常用的雙線性時頻分佈中的頻率混疊與信息丟失,有效減小交叉項,而且具有較高的時頻解析度。
  8. This paper mostly studied the modeling and simulating of reconnaissance and direction finding system for communication by using hla / simulink simulation platform for communication ew. the purpose is to design reconnaissance federate and jam federate for communication ew simulation system by using hla simulation based on different reconnaissance system for communication and simulation modeling with different jamming mode

    本文以通信抗為景,採用hla / simulink模擬平臺,研究通信偵察系統與通信系統的建模與模擬實現,在建立不同體制的通信偵察系統及各種樣式模擬模型的基礎上,設計並實現基於hla的通信抗模擬系統中的偵察邦元和邦元。
  9. Experimental results show that after reducing the dependency of features, sa method works better. the most three important features of the license plate regions are obtained in the experiment and our algorithm is robust in filtering out false plate regions. in the module of binarization of license plate, based on algorithm of casda ( cluster algorithm based on spatial distribution analysis ) an improved quick binarization algorithm i - casda are proposed to get rid of the influence of the illumination

    運用本演算法復雜景的車輛牌照進行檢測,實驗結果表明,基於簡單平均融合運算元的檢測演算法得到的檢測率高, 80 . 36 (訓練樣本)和76 . 54 (測試樣本) ,平均檢測速度為每幅圖象0 . 81秒,滿足實時性要求;區域寬高比、區域密度和區域寬度比率是車牌區域最重要的三個特徵;本演算法魯棒性好,可較好地排除相似紋理區域(如廣告牌等)的
  10. This dissertation analyzes the detection performance of dpca technique based on distributed spaceborne sar system, particularly analyzes the k - distributed clutter ’ s influence of the detecting results. 4. we compare the detection performance of ground moving target of the ati and dpca technique for the new model of distributed spaceborne sar in detail

    3 .分析了在不同信雜比、信噪比條件下以及不同目標方位向速度dpca方法檢測性能的影響,特別研究了k分佈景雜波動目標檢測性能的影響。
  11. This dissertation analyses the back ground clutter ’ s characteristic of sar and the serious influence to sar target detection and classification. based on analyzing jamming methods in existence such as noise jamming and cheat jamming, and the anti - jamming ability of high - resolution sar, the author puts forward a new matching jamming which is time, frequency and dopple fields multidimensional - matching - overcast similar clutter ’ s jamming

    本文通過sar景雜波的特性分析和景雜波sar目標檢測和識別的影響,結合目前傳統體制的不足,以及sar自身強抗的能力,研究了一種sar的時域、頻域和多普勒域多維匹配覆蓋的類雜波新方法。
  12. For each gray image wavelet transform based on histogram modification is used to eliminate the disturbance of background. threshold, edge extraction, mathematics morphology methods are also used to process gray image

    于單幅灰度圖,首先在直方圖修正的基礎上採用小波變換去噪技術,排除了景圖像噪聲的
  13. Considering space environment of laser atmospheric communication, the thesis analyses issues of atmosphere turbulance and interference of background light noise during the course of transmission, furthermore, discusses the structure and basic constitute of the laser atmospheric communication system. combining the technical index requirement of the subject, it provides design scheme and circuit of the transmitting and receiving system

    論文從激光大氣通信的空間環境出發,光信號傳輸過程中通道中的大氣湍流和景光噪聲問題進行了分析,並在此基礎上論述了激光大氣通信系統的結構和基本組成,結合課題的技術指標,給出了發射和接收系統的設計方案及其電路實現。
  14. First of all, based on the administration function chart of cangzhou area, a simple closed loop control system model was abstracted, and through theory analysis of the model ' s input signal, controlled object, feedback facility, controller and system disturbance, the difference between this model and common model was showed and the characters of cangzhou area ' s sustainable development system were discussed

    以滄州區域行政運行圖為景,抽象出一種簡單的閉環控制系統模型,並該模型的輸入信號、被控象、反饋裝置、控制器和系統等特徵進行理論分析,說明該控制模型與普通控制模型的區別,以及滄州區域可持續發展系統的特點。
  15. In the image preprocessing that includes image smoothing and linear gray level transformation, the author brings forward a mended linear gray level transformation based on mean of gray value to enhance the image contrast. in the segmentation the paper presents an arithmetic taking the area of the pointers and construction feature of the water meter into consideration, which can extract the part of pointers in the special space of the water meter, and then binarizes image using a dynamic threshold based on the area of the pointer. the design can enhance the recognition rate for the next step

    在預處理中提出了一種基於灰度期望的分段線性變換;水表的圖像分割,提出基於面積和結構信息的二值化自動分割,包括基於結構和灰度特徵的哈夫變換分割法(指針信息區的提取)和基於指針面積的特徵的閾值分割(指針提取) ;針指針圖像的非均勻光照、影等,提出基於多特徵的分區模板匹配法指針的方向進行識別,從而計算出讀數。
  16. The algorithm can effectively separated the small moving target from the rela - tively stationary backgrond according to the differences among the small moving target, back ground interference and noise by inhibiting the background and enhancing the target

    這種演算法根據運動小目標,和噪聲在圖象序列中的差異,能夠抑制景,增強小目標並將其從相靜止的景中有效地分離出來。
  17. In this paper, firstly, three - dimensional geometrical models of the target and ir flares are established and by using the software vega missile attacking process is real - time simulated visually. secondly, the ir radiation characteristic of the target, background and the ir flares are analyzed, in which the wave radiation of the sun at different time, wind speed, the relative humidity and ir radiation attenuation characteristic of the atmosphere is under consideration. from above the ir image of the target, ir flare and the background are got and then are normalized to gray color image that will be showed in a child window in real time

    本文通過三維建模工具creator建立目標、景和的三維模型,再通過視景模擬軟體vega生成載機、導彈和目標飛機的可見光場景圖像,實時地導彈攻擊工程進行可視化模擬;並分析了目標、景和的紅外輻射特性,計算出傳感器路徑上大氣衰減等等,將經過衰減的目標、景和的輻射強度量化為灰度圖,以子窗口形式實時顯示;進一步可以使目標和按照各自的運動軌跡運動,便可產生動態的紅外熱圖像序列。
  18. From the objects recognition tests buried in strong noise background, we found even with the ann post - processing technique, a certain amount of recognition errors ( about 10 % ) were still unavoidable

    通過處于復雜景噪聲中的目標的識別測試發現,即使採用ann相關信號后處理技術, opr系統仍會存在一定程度的誤識別( 10 ) 。
  19. The results show that ( 1 ) the " prediction & cancellation " method can successfully smooth the reverberation and sharpen edges of the echo, so may detect echoes which power are great than the reverberation background by odb in one channel, ( 2 ) the scaled probabilities method can effectually separate a echo which power is great than the background by 6db, while the reverberation is cancelled dr astically

    果。計算結果表明, 「預測一抵消」演算法混響有平滑作用,回波則有突出信號邊緣的作用,單通道情況下的最小可檢測信號景功率比約為odb 。概率凈化演算法在信號景功率比大於6db的情況下能有效分離回波、抑制混響。
  20. Two wedge interferometers are designed that the thickness of one is higher than the other. so when the incident coherent light through the interferometers can acquire two fringe patterns which having space shift, but the incident incoherent light only result in consistent intensity signal. through a differentiating amplifier, two signals subtract which can eliminate noise of background and result in higher contrast ratio fringe signals. this method largely improves the system and the ability of detection. the spacing of line fringes is a function of incident laser wavelength, by analyzing, we can extract the wavelength of incident laser. the optical unit analyzing and results also simulated with matlab

    景光入射時,直接穿過涉儀,僅發生強度的衰減,在兩個探測平面上產生幅度基本一致的灰度信號,通過差分放大器,相消為零,從而抑制了。當激光信號入射,穿過涉儀時受到調制,在探測平面上產生涉條紋。通過所設計的存在平均厚度差的雙楔形涉儀,兩路涉條紋圖案出現相移位:在兩個探測平面應的位置上,一路出現亮紋,另一路出現暗紋。
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