簡單檢波 的英文怎麼說

中文拼音 [jiǎndānjiǎn]
簡單檢波 英文
simple rectification
  • : Ⅰ形容詞(簡單) simple; simplified; brief Ⅱ動詞1 (使簡單; 簡化) simplify 2 [書面語] (選擇人才...
  • : Ⅰ動詞1 (查) check up; inspect; examine 2 (約束; 檢點) restrain oneself; be careful in one s c...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • 簡單 : 1 (不復雜) simple; uncomplicated; plain; simplicity 2 (平凡 多用否定式) commonplace; ordinary...
  1. Finally, this thesis discussed these following questions : first, the algorithm of used the error image for improving the purpose of the edge detection. secondly, we have transformed the solved question of the first and the second directional derivative to frequency domain and founded they have a single formulae in frequency domain. thirdly, we have described the singular signal and the noise by using the correlations of the neighbor data after wavelet transform

    最後,在傳統的邊緣測演算法和小分析的邊緣測演算法之外,對以下幾個方面也進行了一些討論: 1 )利用誤差圖像來提高邊緣測效果的演算法; 2 )將求解任意方向的一階、二階方向導數的問題轉換到頻域中去求解,發現在頻域中它們具有易用的公式,使得原來求解任意方向的一階、二階導數的比較困難的問題變得容易實現了。
  2. This paper studies to get the image of thenar by using a video camera, and carries on the necessary image processing by software with the information captured, and gets the ideal image to provide the image data basis for follow - up cad after the processing such as median filtering, sobel or kirsch ' s operator edge detection, image reversal and image enhancement etc. in this paper, the pressed image information of thenar captured by camera have been carried on processing and analyzing, and the result has been compared with that of image acquired by the scanner

    本文研究了利用攝像頭獲取腳底圖像,再通過軟體將所獲信息進行必要的圖像處理,經中值濾、 sobel或kirsch運算元邊緣測、亮度調整及反置、圖像增強等處理后,得到滿意的圖像為后續的cad提供圖像數據依據。本文對攝像頭採集的足底受壓圖像信息進行了處理和分析並與掃描儀的圖像處理結果進行了比較,由結果得知攝像頭輸入方法是一種實用的輸入方法,且能很好的滿足設計要求。
  3. In chapter iv, a new method of eyes location is provided. it detects the edg of human face image with wavelet transform in the first. then it begins to statistic the gray value of the row and list

    本文第四章提出了一種基於背景的人眼定位演算法,用小變換對人臉圖像進行邊緣測,對得到的結果進行行列統計,得到人臉的大致位置,再用模板匹配進行最後的精確定位。
  4. A simply and analytical formula of the axial light intensity distribution behind a circular aperture is derived by using the helmhotz - kirchhoff integral theorem and the kirchhoff ' s boundary conditions. it is studied the nonparaxial on - axis intensity distribution throughout the whole space behind a circular aperture. an accurate formula to calculate the fresnel number of circular aperture is presented and the validity of usual fresnel number formula is reexamined. by using the analytical formula and diffraction integral formula, some numerical simulation comparisons are done, and it is shown that the results of the two methods are completely coincident

    用亥姆霍茲-基爾霍夫積分定理和基爾霍夫邊界條件,推導出了平面經小圓孔非傍軸衍射時軸上強度的解析表達式,研究了平面經小圓孔后整個衍射空間非傍軸的軸上光強分佈.給出了計算圓孔菲涅爾數的精確公式,重新查了通常的菲涅爾數公式的有效性.數值計算顯示,應用解析表達式所得的結果與應用衍射積分公式所得的結果完全一致
  5. ( 3 ) the basic theories and techniques on distributed radar cfar detection are reviewed. in particular, using the numerical performance simulation results, the performance of distributed cfar detect system under nonhomogeneous backgrounds and simple detect conditions are analyzed in some details. we have summarized the performance characteristics of distributed cfar detect systems against interference and edge clutter when different fusion rule is used

    西北工業大學博士學位論文( 3 )對分散式cfar測技術的相關理論、方法進行要總結與分析,特別是利用數值分析與性能模擬方法,對非均勻環境下條件測系統的性能進行了較為深入和系統的研究,總結了不同融合方式時分散式cfar測在抗干擾與雜方面的性能特點。
  6. Point diffraction interferometer - a physical idea, is invented by smartt and strong in 1972, advanced by smartt and steel, and used to test astronomical telescope, it has simple structure and has not special demand to source. recently. with the development of fiber ' s manufacture and coupling technology. the simple modern fiber ' s center is smaller than before, this make it possible to progress fiber point diffraction interferometer ( pdi ), in addition to test convergent wavefront, it can test the reflective concave. the excellence of pdi is that it does not need standard mirror. in intereference testing, the standard mirror is the main reason which limit the improvement of precision, pdi can avoid difficulty to provide the wide future for high precision testing. pdi, which produce the standard sphere wavefront, is an instrument which realize the phase shifting with piezoelectric transducer ( pzt ), and collect the interferogram with ccd, in this paper, a adjusting methord is described, then data processing is obtained

    點衍射干涉儀這一物理思想,早在1972年smartt和strong就已發明,由smartt和steel做了進一步發展,並成功的用於測天文望遠鏡,它結構,對光源沒有特殊要求,近年來,由於光纖製造工藝以及耦合技術的發展,模光纖纖芯不斷縮小,為光纖點衍射干涉儀得以發展提供了前提條件,該干涉儀由激光照明,除了測會聚前外,還可以用來測反射凹球面,進而應用到個面形的測;另外,光纖點衍射干涉儀最大的優點是不需要標準鏡,在干涉測中,標準鏡是測精度受限的很大原因,光纖點衍射干涉儀能繞開這一難度,為進行高精度的光學測提供了廣闊的前景。
  7. That test part of the software is primarily used to complete the test of some parameters, such as time base, time - expand, time interval, voltage interval, vertical, stable state, transient state and scanning linearity. the result of the test needs to be analyzed and judged. clear user interface and timely warnings for mistakes of testing process inside because of the user ' s fault operating make whole test process more easier than it did on a time

    該軟體的測試部分主要用於完成對示器掃描時間系數、擴展掃描時間系數、 t時間測量、 v電壓測量、垂直偏轉系數、頻帶寬度、校準信號、脈沖瞬態響應、掃描線性誤差時等參數的測試定任務,並對測試結果進行及時的分析和判斷,由於界面清晰,而且對測試過程中由於用戶的誤操作都有及時的錯誤提示,使得整個測試過程易行,對于用戶來講掌握起來也更為方便些。
  8. It overcomes the disadvantages of traditional inductance sensor, and has advantages of small size. light in weight, better linearity, long life, higher frequency response property and simple driving and signal processing circuit, etc. 3. having considered the situation that the human - machine dialog equipments in some computer control systems are not of high quality, a new kind of reorganizing the sensor ~ s system by external human - machine dialog scheme is presented in this paper

    提出一種新型電感式位移傳感元件,採用方驅動模式和運放電路提取信號,克服了傳統電感式位移傳感元件的缺點,獲得體積小、重量輕、線性好、頻響高、驅動電路和信號出電路等優點,並更易於和微機控制相適應。
  9. The new system has strong data manage ability, it can manage the database easily. it also can be improved easily and get deal with human friendly. especially it improve tune wave detection and can realize remote control

    新型電能質量參數測系統,數據處理功能強、數據管理方便、系統升級、人機交互性好,特別是解決了諧測中的抗混疊現象,並且能進行遠程監控,具有較大的使用價值和廣闊的應用前景。
  10. In chapter 4, we design a new conductivity detector for ion chromatography. the square wave is used as stimulating signal and the sampling is triggered by synchronization pulse at suitable time. by using these measures, the effects of doublelayer capacitance and polarization on the measurement are eliminated and the accuracy is improved

    摘要第四章介紹了一種新型的以方激勵脈沖采樣為原理的二電極電導測器,這種電導測器採用了方為激勵信號,在適當時刻用同步脈沖觸發采樣,從而在較大程度上克服雙層電容和極化的影響,且在結構設計上比目前國內常用的五電極電導池
  11. Based on the basic principle of wavelet analysis, multi - resolution analysis of signal in atomic clock is made. the coefficients of wavelet transform for synthesis atomic time, which are weighed and averaged at different wavelet scales, are obtained. then according to reconstruction theorem, multi - resolution synthesis time scale can be reconstructed. since the signal of atomic clock has been analysed by multi - resolution, we can use wavelet variance at different scales to weight and average the coefficients. thus either the difference in stability of different clock or the varying characteristic of the same clock at the different scale are all considered. finaly, this method is checked by the measured data from national timing serve center of shaanxi astronomy observatory. it confirmed that this technique, which is simple and practicable, is a new method of multi - resolution. from this method, the common characteristic of different clocks can be extracted. the stability of multi - resolution synthesis atomic time scale is obviously superior to that of other methods

    本文根據小分析的基本原理,對原子鐘信號進行多解析度分解,將分解后的小變換系數進行加權平均,得到不同小尺度綜合原子時的加權平均小變換系數,然後由小變換的重構條件,反演綜合時間尺度.由於對原子鐘信號進行了小分解,利用不同尺度的小變換系數的小方差進行加權平均,這樣既考慮不同原子鐘在穩定性方面的差異,又顧及同一臺原子鐘在不同小尺度的變化特性.最後根據陜西天文臺國家授時中心的實測數據對這種方法進行了驗.表明這是一種全新的多解析度綜合方法,這種方法比較而切實可行,它能提取各個原子鐘的共同特性,多解析度綜合時間尺度的平穩性明顯優于其他方法
  12. Ultrasonic distance measurement belongs to the category of uncontact measurement. in the condition it has advantage which contact measure does n ' t has contrasting with uncontact measurement. ultrasonic measure is not influenced by rays of light in the range, and has simple struture, and cost cheaply cotrasting to other uncontract measurement such as laser measurement, rared ray easurement, radio measurement

    超聲測距屬于非接觸測的范疇,它在許多場合有接觸測量不可比擬的優越性,同時與激光、紅外、無線電等其它非接觸性測相比,超聲測在一定距離范圍內不受光線影響、結構、成本低等特點。
  13. In the motion detection a method which is based on time and space is used for it can detect harmful invade object in spite of surroundings inteferre. in addition, after got the image of objects, the rectangle frame technique is used to fill the hole. in my design another part is multi - objects image tracking which is a new technique and it integrates image processing, automatic control and computer science. this technique can automatically acquire objects from image signal, get objects " position information then track them with the aid of dome

    本文中提出了若干有價值的新思想、新方法,完成了以下內容:首先,提出了數字視頻監控的功能結構,描述了數字監控系統的組成、特點和發展現狀;然後研究了適合於跟蹤監控的攝像機坐標系,提出了一種雙角度攝像機坐標以適合本系統的實際應用;討論現場圖像的預處理,其中包括灰度級變換、噪聲濾和圖像恢復;在運動監測中,比較了幾種常用的運動測方法的優缺點,提出了一種基於時域和空間域的圖像測方法;另外,在得到運動物體的圖像時,採用矩形框技術填充由於差分圖像造成的孔洞,此方法可靠,有較大的實用性。
  14. Secondly, matlab neural network toolbox is applied to construct training network and to offer fast learning algorithm, several typical qrs waves can be recognized, which proved that this approach conduce to resolve the problem and decrease the difficulty of programming

    其次,在qrs段的測和識別中,使用了前饋神經網路進行快速的訓練分析,對典型的幾例qrs異常進行了成功的自動識別分類,即能夠進行的基於qrs段的診斷。
  15. Implementation of apf is easier and faster than the existed methods, and it is suited to online adaptive steady - state detection

    與現有方法相比,基於多項式濾的自適應穩態測方法具有實現、運算速度快、適用於信號的在線自動穩態測。
  16. Based on the testing principle of wheatstone bridge, a simple testing system is set up with two cascaded amplifiers and two cascaded butterworth lowpass filters. the varying voltage is tested by the system as the pressure is changed. experiment data are obtained, which also prove the feasibility of the design and the process flow

    5 .基於惠斯頓電橋的測量原理,利用兩級放大電路和兩級巴特沃思低通濾電路搭建了一的測試電路系統,成功地測出了輸出電壓的微小變化值並得出了一些初步的實驗數據,驗證了晶元設計和工藝流程的正確可行性。
  17. With the advantages such as simple structure, small volume, ease to make, high cost - performance and remote analysis, optical fiber biosensors have been widely applied in clinical diagnostic, environmental protection and food service industry

    光纖倏逝生物傳感器具有結構、體積小、製作方便、性價比高和可遠距離分析等優點,在臨床醫學、環境監測以及食品工業得到了廣泛應用,在軍事醫學、生物戰劑測等軍事領域也表現出了極高的應用價值,受到了高度重視。
  18. We partitions the image to three plots, intake area, tracking region, exit region. results from experiments show that the model of hsv adaptive background with shadow detection and extended kalman filter tracking has segmented moving objects and detected shadow so easy and accurately tracked moving vehicles in large area, multiple objects and complex environments. and the system has flexible mathematic model and can meet real - time and practicality requirements

    從處理的結果看,本文提出的帶陰影測的hsv空間自適應背景模型和卡爾曼濾運動目標跟蹤模型,易於實現運動物體的分割、及陰影測,能比較準確的實現大范圍、多目標的跟蹤,而且數學模型,運算速度快,系統具有很強的魯棒性和實用性,能滿足實時行進車輛的測和追蹤的要求。
  19. Presents the simple but highly reliable on - line detection of ultrasonic transducer clamping capacitance based on the impedance circuit model constructed through the impedance characteristics of the ultrasonic transducer under triple harmonics, and concludes from experimental results that this method can be used to effectively detect the variation of clamping capacitance while the transducer is operating, and the matching inductance can be dynamically regulated according to the results of detection, and dynamic matching can therefore be achieved in the real sense at the end of the transducer to improve the overall performance of the whole system

    為了解決大功率超聲應用的換能器電端匹配問題,分析了超聲換能器在諧振頻率三次諧下的阻抗特性,給出了超聲換能器三次諧下的阻抗電路模型.並根據阻抗電路模型建立了對超聲換能器的夾持電容實現在線、可靠性高的方法,實驗證明該方法有效的.該方法可以在換能器工作過程中隨時測夾持電容的變化,根據測結果對匹配電感進行動態調整,實現真正意義上的換能器電端的動態匹配,從而大大改善匹配質量,提高系統的工作性能
  20. This paper makes a study of the simple fault detecting of oil field power system realizing by computer, proposes to apply the theory of traveling wave location and has the clarity of mathematical model concept and high automation. to the power delivery system with many emitting branches, it has a practical sense to save computer operation period and memory, making software design and simulation

    本論文研究油田電力系統故障測的一種計算機實現方法,提出利用互感器模型的行法測距理論,數據模型概念清晰,自動化程度較高,對架空輸電線路放射式分支路較多的電網能顯著節省機時和內存,並進行軟體設計與模擬,具有一定的實用意義。
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