灰度信號 的英文怎麼說

中文拼音 [huīdùxìnháo]
灰度信號 英文
grey scale signal
  • 灰 : Ⅰ名詞1 （物質燃燒后剩下的粉末狀的東西） ash 2 （塵土; 某些粉末狀的東西） dust 3 （特指石灰） lime...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  1. The point of singular signal ' s conjoint pixel always changes acutely in its gray - level value. the gray - level distributing gradient of conjoint pixels can show this change

    而信號的奇異點或突變點往往表現為相鄰像素點處的灰度值發生了劇烈的變化，我們可以通過相鄰像素灰度分佈的梯度來反映這種變化。
  2. Targets in the radar ppi have the main property of the little area, a few targets and irregular change of grey. so it is difficulty to detect and track the target. the study of the radar ppi is very few inland and abroad. with the development and implement of high resolution radar and high resolution raster display, target _ tracking and detecitng based on the radar ppi will be feasible. it ' s great excellence is to increase time accumulation compare with the detecting techenicial of the traditional radar

    雷達ppi中目標的特點是面積小，目標或可能的目標多，灰度、形狀變化無明顯規律，所以檢測和跟蹤目標比較困難。基於雷達ppi的研究國內外甚少，隨著高解析度雷達和高分辨光柵顯示器的發展，基於ppi的雷達目標檢測和跟蹤成為可能。與傳統的雷達目標檢測技術相比，其潛在的優勢在於大大增加了信號的時間積累，因此有可能提高檢測性能。
  3. Chapter 4 : the influence of different phase - shifting angle of reference wave in recording, of the phase - shifting error and of the quantization error on the quality of the reconstructed image is investigated respectively in two - step phase - shifting inline digital holography. and an effective method of eliminating the phase - shifting error is presented, in which the summation of the intensity bit errors of the reconstructed image is taken as an evaluation function for an iterative algorithm to find the exact phase - shifting value. the feasibility of this method is demonstrated by computer simulation

    通過數值分析不同相移角的選取對再現像的強度誤差的影響，發現再現像強度誤差依賴于記錄時相移角的選取，當相移角在一定范圍內，其再現像的強度誤差相對較小；提出了一種有效消除相移誤差的新方法，並將其應用於二步同軸相移數字全息，對此進行了計算機模擬，得到了很好的結果，證明該方法對于相移誤差的消除是很有效的；對量化誤差所作的數值模擬發現，當信號被量化成8比特（ bit ） ，即256個灰度級以上，量化噪聲的影響相對較小。
  4. Firstly, introduce the design of sonar display, trace - to - trace correlation and gray scale display, develop a new method of gray scale based on signal noise ratio. and next, discuss array signal processing and image processing in order to improve the display. finally, develop a software of sonar display simulator based on object oriented programming, with which the sonar display console is simulated and the performance of sonar signal is tested

    本文工作圍繞如何提高聲納顯示效果，介紹了聲納顯示屏幕的設計方案，論述了「跡跡相關」技術、灰度顯示技術在聲納顯示中的應用，提出了基於信噪比的灰度級別劃分方法；結合陣列信號處理、圖象處理技術，本文引入了子帶峰值能量檢測演算法、圖象邊緣檢測演算法，進一步提高了聲納檢測性能；基於面向對象的程序設計方法，設計了聲納顯示平臺軟體，為模擬聲納顯示、檢驗聲納信號顯示性能提供了模擬環境。
  5. It has been a long time on blood velocity measurement [ 9 ] of this type. there are many methods to obtain the windows. but the intensity signal obtained from the windows is n ' t accuray of some methods or the real time property is not very good of others

    用相關演算法時，血液流速是血管上兩窗口間的距離除以血液流過兩窗口所用時間，時間用兩窗口血液灰度信號最大相關計算得到，微循環血液流速測量的研究已經有很長的時間[ 9 ] ，其中血管窗口的選取現在有多種方法，但現有的方法要麼窗口取得不準確[ 9 ] ，要麼實時性較差。
  6. This system provides pulse signal and direction signal to step motor driver by computer ’ s controlling step motor control card, and makes motor and guage ’ s pointer rotate. computer gets the micro displacement measured by grating measuring system via rs232 serial port, and acquires guage ’ s image by high precison ccd camera, then processes the guage ’ s image by software, including pre - processing, graying, binarization, thinning and hough transform, so as to recognize the position of guage ’ s pointer, finally calculates all kinds of precision on basis of algorithm established by national detecting rules of gauges

    本系統通過計算機控制步進電機控制卡來給出步進電機驅動器需要的脈沖信號和方向信號，進而帶動電機驅動儀表指針轉動，計算機通過串口實時採集光柵測量系統的微位移信號，並且通過高精度ccd攝像機實時獲取表盤圖像數據，同時通過計算機軟體實現表盤圖像處理，包括預處理、灰度化、二值化、細化和hough變換等，最終快速識別出表盤指針的位置，並根據國家表類檢定規程所制定的演算法檢定出指針式儀表的各種精度。
  7. The system adds the image recognition function on warning signal lights except the traditional video monitoring, remote control and collecting alert signals function etc. the methods for alert signal recognition include gray histogram arithmetic, pattern matching method and hsi system. the gray histogram arithmetic is the best method for this system

    除了實現傳統視頻監控系統所具有的監視、遠程控制、告警信號採集等功能外，增加了基於顏色特徵的告警信號燈圖像識別功能。確定了三種可用於基於顏色特徵的告警信號燈識別的方法：灰度直方圖法，模板匹配法和hsi系統法。
  8. With the introduction and application of wavelet transform in the processing of picture signal, it make digital picture processing to a higher extent

    目前圖像信號處理中已應用到許多新成就。灰度指紋圖像一般受脈沖噪聲污染較大，對其處理已有許多進展。
  9. Led traffic signal lamps can keep perfect visibility and capacity under the condition of rain, dust and sunbeam

    Led交通信號燈在持續光照雨淋灰塵等惡劣的氣候條件下，仍能保持較好的可見度及性能指標。
  10. Simultaneously, a new fbp criterion is presented based on the gray - lavel and contour for the image of gabor spectrogram and the relation parameter is used to make flutter boundary prediction. the functions of the method are studied by computer simulation and further examined by using several flutter testing data ( low - speed wind - tunnel, high - speed wind tunnel and flight )

    本文詳細研究了顫振信號聯合時頻譜圖的特徵，應用圖像邊緣識別方法對顫振信號時頻譜圖的輪廓、灰度進行了綜合分析，給出了一種全新的顫振余量定標量化法，依此量化值完成對顫振邊界的外推。
  11. In this paper we adopt pseudo - random sequence or gray level image as the watermark, choose the dwt coefficients as the carrier, then embed the watermark into the carrier imperceptually. one algorithm accomplishes blind extracting. it presents a symmetric algorithm based on shuffling technique

    採用偽隨機序列或灰度圖像作為水印信號，利用dwt變換系數作為水印的載體，在不降低圖像質量的前提下達到嵌入水印的目的，部分方案在恢復水印的過程中無需原始圖像的參與。
  12. In term of this theory, we decompose some simulate signal and pipeline mfl signal by wavelet package transform. then select the best wavelet package base out of the decomposed coefficient and figure the brickwork of the best base on the relevant position in time - frequency plane showing the strong or weak of every coefficient. as a result, the time - frequency structure of signal analyzed is relatively visually represented ; that is to say, an anticipative result achieves

    按照這一理論，我們對一些模擬信號和管道漏磁信號作了小波包分解，然後從中選出最優小波包基，再把被選中的小波包基的相應砌塊表示在時?頻相平面上的相應位置上，並用灰度級別表示這個分量權重的強弱，結果較形象地把被分析信號的時?頻結構表現出來，達到了預期的目的。
  13. Traditional image enhancement technique will amplify interfering signal and scintillation at the same time, while grey scale accelerating circuit and contrast enhancement technology have successfully solve this problem

    傳統的影像增強技術會使干擾信號和閃爍也同時被放大，灰階加速電路和對比度增強技術成功地解決了這個問題。
  14. Then, digital quadrature envelope detection is used to detect the envelope of ultrasound as it is most used in the corresponding signal process. at last, we transform the signal to the range which can be displayed by the logarithm transform

    有效補償了超聲傳播過程中的吸收衰減;並將正交包絡檢波技術用於超聲信號的幅度檢測;最後通過對數壓縮得到了顯示需要的灰階信號。
  15. 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

    當背景光入射時，直接穿過干涉儀，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，從而抑制了背景干擾。當激光信號入射，穿過干涉儀時受到調制，在探測平面上產生干涉條紋。通過所設計的存在平均厚度差的雙楔形干涉儀，兩路干涉條紋圖案出現相對移位：在兩個探測平面對應的位置上，一路出現亮紋，另一路出現暗紋。
  16. A simulation method is proposed to predict the motion artifacts of plasma display panels ( pdps ). the method simulates the behavior of the human vision system when perceiving moving objects. the simulation is based on the measured temporal light properties of the display for each gray level and each phosphor. both the effect of subfield arrangement and phosphor decay are involved. a novel algorithm is proposed to improve the calculation speed. the simulation model manages to predict the appearance of the motion image perceived by a human with a still image. the results are validated by a set of perceptual evaluation experiments. this rapid and accurate prediction of motion artifacts enables objective characterization of the pdp performance in this aspect

    針對目前等離子顯示屏普遍存在的運動偽像問題，提出了一種新穎的模擬計算方法，該方法實現了對等離子體顯示屏運動偽像的準確、快速估計.該方法通過測量等離子顯示屏不同顏色不同灰度下光信號隨時間的變化情況，模擬人眼對運動圖像的視覺感知行為，模擬計算出任意圖像以一定速度運動下的視覺感知效果.新演算法不但加入了等離子顯示屏熒光粉的延遲效應的影響，而且提高了模擬計算速度.所得模擬結果與實際主觀視覺感知實驗相符.這種快速準確的估計使對等離子顯示器件運動偽像的客觀評價成為可能
  17. Abstract : a simulation method is proposed to predict the motion artifacts of plasma display panels ( pdps ). the method simulates the behavior of the human vision system when perceiving moving objects. the simulation is based on the measured temporal light properties of the display for each gray level and each phosphor. both the effect of subfield arrangement and phosphor decay are involved. a novel algorithm is proposed to improve the calculation speed. the simulation model manages to predict the appearance of the motion image perceived by a human with a still image. the results are validated by a set of perceptual evaluation experiments. this rapid and accurate prediction of motion artifacts enables objective characterization of the pdp performance in this aspect

    文摘:針對目前等離子顯示屏普遍存在的運動偽像問題，提出了一種新穎的模擬計算方法，該方法實現了對等離子體顯示屏運動偽像的準確、快速估計.該方法通過測量等離子顯示屏不同顏色不同灰度下光信號隨時間的變化情況，模擬人眼對運動圖像的視覺感知行為，模擬計算出任意圖像以一定速度運動下的視覺感知效果.新演算法不但加入了等離子顯示屏熒光粉的延遲效應的影響，而且提高了模擬計算速度.所得模擬結果與實際主觀視覺感知實驗相符.這種快速準確的估計使對等離子顯示器件運動偽像的客觀評價成為可能
  18. Detecting symmetry from complicated images and measuring it is very helpful to pattern recognition and image processing. in this paper, from the characteristics of local phase in the symmetry points of signals, a new method of image symmetry detection is purposed which uses phase information of original image

    本論文從分析信號對稱點處的局部相位的特點出發，研究並提出一種基於局部相位信息的圖像對稱性檢測方法；同時文中還提出一種充分利用圖像灰度信息來度量圖像雙邊對稱性的方法。
  19. The watermarking scheme based on wavelet decomposition and discrete cosine transform using a binary pattern or gray - level pattern as the watermark, the scheme initially performs wavelet decomposition of the host image and the watermark with different hierarchy. after the pseudo - random permutation, each decomposed layer of the watermark is embedded into the dct domain of corresponding decomposed layer of the host image

    基於小波分解和餘弦變換結合的水印方案演算法以二值圖標或灰度圖標作為水印，將原圖像和水印信號分別進行不同層次的小波分解，分解后的水印各分量偽隨機置亂後分別嵌入到原圖像相應分解層各分量的dct域中。
  20. We invented the method of transmitting the gradation data by dma, after we analyzed different circuit of control and transmit gradation data. we analyzed different circuit to achieve gradation, different schemes to drive led, and brought out the mechanism scheme of the new system. we discussed the functions of hardware system, software system, and mechanism system in detail

    論文第三章討論了環場顯示系統的電路和機械設計方案，分析、比較了不同的驅動電路和信號傳送方式，提出了利用cpld并行dma傳送灰度信號的方法，分析比較了不同灰度實現方案、不同led驅動方式，討論了電路軟體系統實現方案，提出了系統樣機的機構方案。
分享友人
分享到 Line

分享到臉書