測向圖 的英文怎麼說

中文拼音 [cèxiàngtú]
測向圖 英文
direction-finding chart
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 圖 : Ⅰ名詞1 （繪畫表現出的形象; 圖畫） picture; chart; drawing; map 2 （計劃） plan; scheme; attempt 3...
  1. An approach to seeking bgp policy confliction based on reconstructing dispute diagraph with three - dimensional matrix

    基於三維矩陣重構爭論有向圖的域間路由振蕩檢測演算法
  2. To increase the bearing accuracy of amplitude - comparison, the multi - channel system was chosen, the angle of reaching of moving antenna pattern serial was estimated from the frequency domain using the phase - delay estimating method, and at the same time, the selection of antenna, quantization of signal and touch switches were optimized in concrete engineering practice, and so the requirement of the index was satisfied

    為提高比幅測向的精度，選用多通道體制，採取相位延時估計法從頻域來估算移動天線方向圖系列的達到角，同時在具體的工程實現上對天線選取、信號的量化、去摸開關等進行優化，從而滿足指標要求。
  3. At first, the paper confirms singular area by singular detection, then designs a series of low - pass filters that have different templates according to the different position in finger image for a local area, at last sets up gabor filter parameters according to the characteristics of fingerprint image. the improved enhancement algorithm has a better robust, and can preserve texture structure of singular area effectively. in binary noise clearance, the paper presents an algorithm that clears the biggish white speckles and black speckles

    在指紋圖像增強方面，本文針對傳統的基於gabor濾波器指紋圖像增強演算法魯棒性差以及通常會改變奇異區紋理結構的缺點，對原有演算法進行了一些改進:首先通過檢測奇異點確定奇異區，然後根據局部區域在指紋圖像中的位置構建相應取值方式的低通濾波器並對該局部區域方向圖進行濾波，最後根據指紋圖像紋線的特點對gabor濾波器參數進行設置。
  4. Abstract : a new waveguide which can change the wide wall of a rectangular waveguide into a symmetric arc wall is named as a cam - rectangular waveguide. comparing to sectoral waveguide, the new waveguide has the same voltage characteristics and is easier to be produced and fixed. an approximate formula of the dominant mode fields and the normalized conductance of a longitudinal resonant slot cut in the curved wall of a cam - rectangular waveguide are given. a resonant slot linear array in c & x band is designed, in which the slot voltage distribution is equiphase and the input is matched. the input voltage stationary ware ratio and the h - plane pattern of the antenna are measured. the experimental results show the conformance with theoretical results

    文摘:把常用的矩形波導一個寬面改成圓弧形構成的波導稱為圓突-矩形波導.這種波導與扇面波導相比：電性能相當；波導管結構更加簡單，容易加工，便於安裝.文中給出圓突-矩形波導中主模場，圓曲面上縱向槽歸一化諧振電導近似公式.設計了c和x波段波導曲面縱向諧振縫隙線陣，縫隙電壓相位為同相分佈，輸入端匹配.實際測量了天線輸入端電壓駐波比和h面方向圖，理論與實驗相吻合
  5. To the single pulse angle measuring, phase comparison and phase sum - difference angle measuring method are discussed and compared. sum - difference channel modeling and simulation are made. based on system research and signal processing discussed above, some basically jamming methods are discussed and simulated

    對于單脈沖測角方法，研究了相位比較法和相位和差單脈沖測角方法，對兩種方法進行了比較並給出了和差通道方向圖的模擬。
  6. Take target bearing by antenna diginal pattern

    用天線數字方向圖定位測向
  7. The precise measurement of microwave antenna pattern with lock in amplifier

    利用鎖定放大器實現微波天線方向圖的精確測量
  8. In addition, the attitudes of conjunctive fractures deduced from the borehole images provide important information for the direction of paleo - structural stress field

    利用從電成像測井圖像上提取的共軛裂縫的產狀信息，還可以恢復裂縫形成時古構造應力場的方向。
  9. Based on the timing constraints event model of rtl ( real time logic ), the compiling algorithms for timing constraints event transform the problem of how to detect timing constraints event to the problem of how to find negative cycle in weighted directed graph, which is named as constraints graph. by simplifying constraints graph, the efficient detecting algorithms for timing constraints event have been developed, which not only has good time complexity but also can find events that violate timing constraints as early as possible. in order to verify the event detecting methods based on dynamic rules and to check its efficiency in application, experiment schemes are designed and performed on the implemented prototype system in linux environment

    帶時間約束事件的編譯演算法以rtl （ realtimelogic ）事件模型為基礎，將帶時間約束事件的檢測轉化為在帶權值的有向圖（此即受限圖）中尋找負圈的問題，它通過化簡受限圖得到最小有效約束集；運行時事件檢測演算法在最小有效約束集上檢查事件的時間約束，不但有較好的執行效率，而且能盡早地發現違反時間約束的事件。
  10. Anti - jamming capability of interferometer direction finder with multi channel receiver is analyzed and studied. measures for control co - channel jamming are given : reduce intererence strength by antenna character, change gate level of receiver, alter df bandwidth, make use of the pause function of display and a type of filter

    提出了抗同波干擾的若干措施：利用天線的方向圖抑制干擾信號、改變接收信號的門限電平、改變測向帶寬、利用屏幕顯示的暫存功能、倒譜同態濾波方法等。
  11. 2 - d superresolution direction finding methods at subarray level suited for plane phased arrays are studied. for overcoming the limitations of true array manifold ( tam ) that the expense and cost of the array calibration are high and the calibration realization is complex, five kinds of simplified array manifolds are proposed, namely direct simplified array manifold ( dsam ), simplified array manifold based on ideal subarray patterns ( sam _ isp ), simplified array manifold based on approximate ideal subarray patterns ( sam _ aisp ), simplified array manifold based on gaussian subarray patterns ( sam _ gsp ), simplified array manifold based on approximate gaussian subarray patterns ( sam _ agsp ) respectively. the performances of applying these array manifolds to music, wsf and ml methods at subarray level are analyzed

    本文研究了平面相控陣二維子陣級超分辨測向，針對真實陣列流形（ tam ）校正成本和代價高以及實現復雜的缺陷，提出了五種簡化的陣列流形分別為直接簡化的陣列流形（ dsam ） 、基於理想子陣方向圖的簡化陣列流形（ sam _ isp ） 、基於近似理想子陣方向圖的簡化陣列流形（ sam _ aisp ） 、基於高斯子陣方向圖的簡化陣列流形（ sam _ gsp ）和基於近似高斯子陣方向圖的簡化陣列流形（ sam _ agsp ） 。
  12. Two kinds of reconfigurable planar fractal antennas that could steer in the e plane are designed. some experiments have been finished, and the results accorded with the simulation results well

    設計出兩種能夠實現e面方向圖掃描特性的分形平面天線，並且完成了部分原理性實驗，模擬和測試結果吻合良好。
  13. Generation method of minimal - complete - coverage interoperability test sequence based on digraphs

    基於有向圖的最小完全覆蓋互操作測試序列生成演算法
  14. With this method, the receiving signal of the probe is measured with a fixed distance of phased array antenna and the probe. experimental data is disposed by mathematic algorithm, thus amplitude and phase in each channel is determined in any disposing - phases status. all the patterns can be recovered only through a test result

    該方法中相控陣天線和測量探頭均保持固定，測量相控陣天線不同配相狀態下探頭接收信號的幅相，用數學演算法對試驗數據進行處理即可確定任意配相狀態下各通道的激勵幅相，進而所有的方向圖根據一次試驗結果就能夠復原。
  15. The antenna is obtained by extending the longitudinal strip of the fin - line, and etched on a metallized dielectric substrate. it is operating at ka band ( center frequency : 34ghz ), which has a good agreement between simulated and measured results. its e - and h - plane 3db main lobe beamwidth are 79. 25 and 80. 03 degrees respectively with sidelobes less than - 10db

    天線工作的中心頻率為34ghz ， e面和h面測試方向圖主瓣寬度分別為79 . 25o和80 . 03o ，旁瓣電平均小於- 10的db ，模擬和試驗結果基本一致，所設計天線的各項指標經測試基本達到要求。
  16. Firstly, the study of real two - channel data recorded by the airborne battlefield radar is made based on the methods of gmti, which including the study of methods of two - channel equilibrium, that of the precious estimate of beam scanning angle, that of the doppler center, that of the compensation for pattern error and that of gmti and that of location of the moving target using the phase - comparison mono - pulse method

    首先，結合動目標檢測方法，對機載遠程戰場偵察雷達實驗系統錄取的雙通道數據的處理進行了研究。內容包括兩通道均衡方法研究，波束掃描角精確估計方法研究，多普勒中心估計方法研究，方向圖誤差補償方法研究，動目標的檢測和干涉定位方法研究。
  17. The omni - vision system can capture the rather perfect panoramic image realtimely, process the image fast and effectively, including image segmentation by color, extraction of features and detection of the white mark lines of the soccer field, and complete the robot ’ s recognization of target

    該全向視覺系統能夠實時採集較為理想的全景圖像，並快速有效的進行圖像顏色分割、特徵提取和場地白色標志線檢測等圖像處理，完成機器人的目標識別。
  18. Secondly, it provides the technological requirement and the whole device frame. the process of development is illustrated by software and hardware ( emphasis on software ). it also provides the introduction of dsp, frequency scan, channel scan, radio direction finding and signal analysis, ect

    其次，提出了短波監測設備的技術要求和總體設計框圖，並從軟硬體兩方面（重點是從軟體方面）對研製過程進行了陳述，對dsp選型、頻段掃描、通道掃描、信號測向和信號分析等做了說明。
  19. In this dissertation, a de - coupling analytical method is presented based on the actual measured pattern in aspect with linear arrays, then the method is applied in four - element array to yield satisfactory results

    對于線性陣列，本文給出了一種基於實測方向圖的去耦合分析方法，並且使用這種方法對4元線陣列進行了去耦合分析，得到了令人滿意的結果。
  20. 4. an ica and 2d ehmm based method is proposed to extract the feature of facial expressions. ica is used to produce the independent observation vector of ehmm

    這種方法利用ica提取人臉表情差分圖像塊的獨立特徵作為ehmm的觀測向量，然後通過2dehmm對這些獨立特徵進行建模。
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