線性檢波器 的英文怎麼說

中文拼音 [xiànxìngjiǎn]
線性檢波器 英文
linear detection
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : 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...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 線性 : [數學] [物理學] linear; linearity線性代數 linear algebra; 線性方程 linear equation; 線性規劃 line...
  1. 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濾指紋圖像增強演算法魯棒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並對該局部區域方向圖進行濾,最後根據指紋圖像紋的特點對gabor濾參數進行設置。
  2. Through the theory of light radiation and intensity, we can use the fewest leds to satisfy the luminous intensity demand. through image segmentation theory, we can accurately pick module up from the test stripe when it is put in wrong directions. through image processing theory, we can acquire correct information and avoid the bad effects from the asymmetric chemistry reaction and instability of the devices

    用光的輻射和強度理論,我們計算出了獲得足夠圖像強度所需的最少光源;用圖像分割理論,我們在試紙條傾斜放置或有垂直方向上的偏移時,準確地提取出了各模塊的數據;用平滑濾和均值濾理論,我們濾除了由於反應不均勻及硬體設備不穩定帶來的噪聲;用交遇區設計分類的方法,我們降低了有限樣本設計分類帶來的誤差,提高了驗準確度。
  3. The research results are controlled source which has linear or nonlinear variabe frequency scan function and the seismic instruments which match with it, and the method of small group intervals, small offset, much more channels, short array length, high - frequency receivers are applied during the link of data acquisition, and that the techniques of the refraction static correction, the noise suppressing, the high - resolution velocity analysis, the wavelet length compression, the wavelet zero - phase, and the prestack migration should be applied emphasizedly during the link of data processing and interpretation

    研究表明,對于城市活斷層的抗干擾高解析度淺層地震勘探,在數據採集環節應採用具有或非變頻掃描功能的可控震源和與其相匹配的地震儀,以及小道間距、小偏移距、多接收道、短排列和高頻接收的工作方法;在數據處理與解釋環節,要重視折射靜校正技術、噪聲壓制技術、高精度速度分析技術、子壓縮技術、子零相位化技術和疊前偏移技術等的應用。
  4. In order to better detect the image edge information, firstly, non ? linear median filter technology of characteristic direction was applied to filter out the gauss noise ; secondly, ( 3, 1 ) biorthogonal spline wavelet was used as the primitive wavelet filter, adopting lifting scheme to build the most superior biorthogonal wavelet filter, and applying the superior biorthogonal wavelet to the multiresolution wavelet edge detection ; at the same time, floating threshold was defined and applied to the image edge detection, and the image edge position was located accurately

    在激光探測系統中,微弱的回圖像淹沒在強背景噪聲中,為更好地測這類含噪圖像的邊緣信息,首先應用特徵方向非中值濾技術,濾去高斯噪聲;其次,選擇( 3 , 1 )雙正交樣條小作為原始小,採用提升方案構造最優雙正交小,應用構造的雙正交小進行多尺度小邊緣測;同時,通過定義浮動閾值,並應用於圖像邊緣測,較準確地定位了邊緣位置。
  5. In order to better detect the image edge information, firstly, non - linear median filter technology of characteristic direction was applied to filter out the gauss noise ; secondly, ( 3, 1 ) biorthogonal spline wavelet was used as the primitive wavelet filter, adopting lifting scheme to build the most superior biorthogonal wavelet filters and applying the superior biorthogonal wavelet to the multiresolution wavelet edge detection ; at the same time, floating threshold was defined and applied to the image edge detection, and the image edge position was located accurately

    在激光探測系統中,微弱的回圖像淹沒在強背景噪聲中,為更好地測這類含噪圖像的邊緣信息,首先應用特徵方向非中值濾技術,濾去高斯噪聲;其次,選擇( 3 , 1 )雙正交樣條小作為原始小,採用提升方案構造最優雙正交小,應用構造的雙正交小進行多尺度小邊緣測;同時,通過定義浮動閾值,並應用於圖像邊緣測,較準確地定位了邊緣位置。
  6. Firstly, the temperature varies in a large range in the place where the gap sensor works, so this paper analyzes the temperature drift of gap sensor, and finds out that the main reasons which result in temperature drift are the resistance of detecting coil and demodulating circuit parameters. to resolve this problem, a practical design of detecting coil is given, and a compensative measure considering the detecting coil and demodulation circuit is proposed to improve the temperature stability of gap sensor

    首先,針對間隙傳感工作環境溫度變化較大的情況,本文對間隙傳感溫度漂移現象進行了分析,認為圈電阻和電路參數變化是造成傳感溫漂的主要原因,建立了圈的數學模型,提出了圈和電路綜合補償方法,解決了間隙傳感的輸出信號溫度穩定的問題。
  7. Firstly, the paper, combining the characteristic of synchronous pulse bursts and inhibition with the modified pcnn model, presents a way of finding the foveation points in the images adaptively and effectively, and simulates the human vision system. secondly, pcnn is extended to pcnns, based on the properties of information couple and transmission, an algorithm that is used to fuse images of the same target got by several sensors to an image is presented to simulate the human vision system. thirdly, combining the properties of synchronous pulse bursts, capture, and transmission and competition of waves, the paper presents two ways of classification, one is an algorithm based on the properties of neuron to capture and inhibit to classify the data taking on any complex unlinear distribution robustly, the other is based on the restricted distance and modified of the former to remove the influence of inferior samples in classification ; fin ally, based on the accumulative difference pictures, and the forming and transmission of pcnn wave, selecting and controlling the direction of autowave by connecting the neighbouring neurons selectively, the paper presents a way to simulate the tracks of moving object and detect the moving direction

    首先結合pcnn的同步脈沖發放和側抑制特,提出了基於改進型pcnn的圖像凹點測演算法,該演算法是一種自適應而有效的圖像凹點測方法,並且較好地模擬了人類視覺系統;然後,結合信息傳遞和信息耦合特,將pcnn擴展成pcnns ( pcnn網路群) ,提出了一種基於pcnns的圖像融合演算法,能夠將多個傳感獲取的同一目標的圖像信息融合到一幅圖像中,有效模擬了人類視覺系統;另外,結合pcnn的同步脈沖發放特、捕獲特的傳播競爭特,開拓地將pcnn用於模式分類中,提出了基於耦合神經元點火捕獲抑制特的分類方法和改進的約束距離下的pcnn分類方法,前者可實現對樣本空間中任意復雜分佈訓練樣本的穩健非分類,而後者能夠消除訓練樣本中刺點對分類的影響;最後,結合累積差分圖像思想、 pcnn的形成與傳播特,通過各神經元之間連接取向來選擇與控制自動的流向,將pcnn用於運動視覺分析中的運動軌跡模擬及運動方向測。
  8. Then, a kind of wnn based on single - scaling multidimensional wavelet frames and its matching pursuit algorithm is introduced. it is applied to approximate the nonlinear terms with lipschitz property of nonlinear systems to establish the adaptive state observer. the robust fault detection is realized by the observer, demonstrating the predominant performance of the wnn

    然後利用一種基於單尺度小框架的小網路,逼近一類滿足lipschitz條件的非系統的非項,構造自適應狀態觀測,實現了系統的魯棒故障測,同時採用徑向基神經網路進行殘差處理,實現了故障預報。
  9. 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,使得整個測試過程簡單易行,對于用戶來講掌握起來也更為方便些。
  10. When dicussing reliability design and reliahbaiiy ensuring methods, a new reliability calculating model of petroleum logging tools is presented, reliability assurimg technologies should be taken in petroleum logging tools and their using approaches are presented and stated from electricity design and mechanical design, reliability system model of petroleum logging tool is set up according to the latest reliability theory, reliability indexes of petroleum logging tool and their acquiring ways are discussed, the reconmended reliability indexes ( mwture, nolwnm, mtbf, mttf ) of petroleum logging tool are presented : the mean working time under rated error ( mwture ) of the new tool is obtained through experiments. when studying data processing methods, the property of gamma - ray signal is stated and the type of it ' s measuring error is examined using statistical method, the basic theory of digital filtering and the basic situation of digital filtering methods are introduced and analyzed, the factors affecting digital filtering effect to gamma - ray signal and the effect of digital filtering to logging curve are analyzed, the evaluting criteria ( rvi, rmse, sfi ) of digital filtering effect are set up from two aspects, named as real value acquiring of steady section and the formation boundary checking and processing, the related filtering methods and examining methods are given out. the design methods of digital filter used to process gamma - ray signal are discussed, the mixed filtering scheme of natural gamma - ray log is presented, the realization ways are discussed. the selective filtering system and it ' s realization flow are given out through quantitive reseaching to part of digital filters, three new filtering sheme will be used to process gamma - ray signal in era2000 logging system

    在探討可靠設計與可靠保障技術時,提出了石油測井儀的可靠計算新模型,從電氣和機械兩個方面,提出並闡述了應採用的可靠保障技術及其使用方法:根據最新可靠理論,建立了石油測井儀的可靠系統模型,探討了石油測井儀的可靠指標及其獲取途徑,提出了推薦使用的石油測井儀可靠指標( mwture , nolwnm , mtbf , mttf ) ;通過試驗,得到了所設計儀的穩定工作時間( mwture ) 。在研究數據處理方法時,闡述了伽瑪信號的特徵,對測量誤差類型進行了統計驗;介紹了數字濾的基本理論、數字濾方法的概況,並進行了分析;對伽瑪信號數字濾效果的影響因素及其對測井曲的影響進行了基本分析;從獲取平穩段真值、地層邊界的測與處理兩個方面,建立了數字濾效果的評價準則( rvi , rmse , sfi ) ,給出了相應的數字濾方法及效果評價方法;探討了自然伽瑪信號數字濾的設計方法,提出了適合自然伽瑪測井的混合濾方案,探討了混合濾方案的實現途徑;通過對部分數字濾方法的定量研究,給出了靈活可選的數字濾系統構成及實現流程;提出的三種濾方案,將用於era2000成像測井系統,對自然伽瑪測井數據進行濾處理。
  11. The volatilization of filter is solved in simulation environment. four tracking filters are designed by altering the component of observe parameter to detect the effect of different compone nt. all four filters are evaluated in different position of fly envelop

    本文採用不同的觀測參數設計了四個跟蹤濾,以驗不同觀測參數對濾能的影響,在飛行包不同位置對四個濾進行了評價。
  12. The purpose of this paper is to resolve some key technologies of the amplitude - modulation inductive displacement transducer signal processing circuit with nanometer resolution, such as the design of high stability signal generating circuit ; the technology of high precision digital phase - sensitive detection circuit ; the technology of digital filter and linearization, etc

    本文主要研究調幅式電感位移傳感精密測量系統中涉及的高精度載信號發生技術、高精度數字相敏技術、數字濾擬和等關鍵技術,目的是進一步改善調幅式電感位移傳感精密測量系統的測量精度,適應納米級測量的要求。
  13. The linear scale before and after log is an effective way to inspect the reality and accuracy of the log curves, such as downhole signal ' s amplitude limit or not and serious distortion, the variable density logging tool ' s signal linear amplification and working stability

    測前、測后刻度對分析、判定變密度測井曲的真實與準確體現在對井下列的限幅與畸變程度、測儀放大狀態和穩定程度。
  14. Method of fault detection based on anfis nonlinear observer using continuous wavelet transform

    觀測的連續小變換故障
  15. In this thesis some nonlinear color - scale morphological filter are designed to filter some noised color images and detect the color edge of image based on max lift decomposition scheme. and the performance index is presented, which implies that the new color - scale morphological filter has better performance

    在本論文中,我們基於最大提升格構造出非彩色形態濾,並對一些受污染的彩色噪聲圖像進行濾和進行一些彩色圖像邊緣測的工作,所構造出來的彩色形態濾其具有較好的濾效果。
  16. This thesis is concerned with fault detection and isolation problem for dynamic systems such as norm - bounded uncertain systems, state - delayed uncertain systems, linear parameter - varying systems with time delays, time - delay systems with markovian jump parameters and nonlinear systems by using fault detection filter, threshold selection method and linear matrix inequalities

    本論文研究了動態系統的魯棒故障測與分離問題,基於故障測濾和閾值邏輯方法,採用矩陣不等式技術,研究了范數有界不確定系統、時滯不確定系統、時滯lpv系統、時滯馬爾可夫跳躍系統、非系統的魯棒故障測與分離問題。
  17. First of all, by establishing the observation model of complex harmonic signal and complex linear chirp signal respectively under the co - jamming of additive and multiply noise, the paper constructed cyclic moment detectors of different orders, deduced snr expression of the detector through theoretic analysis, discussed the relation of detector performance and noise statistical characteristic. the curve of detection performance is obtained through monte carlo simulation test, proving the related conclusion derived

    首先,論文分別以加和乘噪聲聯合干擾下的復諧信號和復調頻信號為觀測模型,構造了基於不同階次的循環矩測統計量,從理論上推導出了的信噪比表達式,分析了能與噪聲統計特的關系,通過monte - carlo模擬試驗得到了能的曲,驗證了推導的有關結論。
  18. First, this paper introduces the difference of all - power radiometer and dicke radiometer sensitivity, and gives normal calibration equation and periodic calibration equation of antenna temperature, and analyses calibration error due to square - law detector illinearity

    本文在總結前人研究工作的基礎上,首先比較了全功率輻射計和迪克型輻射計的靈敏度,討論了輻射計天溫度的反演和周期定標技術,分析了對輻射計定標結果的影響。
  19. Finally, some methods of digital processing techniques, such as polynomial curve fitting and exponential curve fitting and subsection curve fitting, are used firstly to compensate the performance of the detector. the measurement accuracy of the reader is improved, with the validity proved

    首次運用了多項式曲擬合技術、指數曲擬合技術以及採用分段擬合的技術,補償能,提高了通信系統的測量精度,應用效果顯著。
  20. In the yield data acquire multi - line geometric in a radial pattern is adopted. before theoretical explanations about the non - uniqueness of inversions and the necessity of constrains are illustrated, the description of linear travel - time interpolation ( lti ) calculations, the derivation of jacobian linear equations, and the deductions of solving large sparse matrix equations, i. e. the lsqr iterations, are involved. in order to cope with the uncertainties in tomography, we reach several categories on constraint methods

    對於野外數據採集採用多測上放射狀布置;圍繞層析成像方法,文章分析了差值射追蹤lti技術,推導出在矩形網格內速度以雙關系變化時方程組的解析式,進一步詳細探討方程組的求解方法,即最小平方正交分解法,並給出了迭代公式。
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