zero-detection 中文意思是什麼
zero-detection
解釋
檢零-
The technology of identification based on iris is researched in the article, the key point of the technology is the iris characteristic acquisition and recognition, therefore based on the iris image texture characteristic, using the wavelet transforms to get the characteristic of iris image, a new method named zero - crossing detection and secondary circle coding is used in the article
本文研究的就是用虹膜進行身份識別的技術，該技術的關鍵是虹膜特徵提取和識別。基於虹膜圖像的紋理特徵，利用小波變換來提取虹膜圖像的特徵，本文提出了基於小波過零檢測的循環二次編碼的方法。 -
Based on mono - pulse radar system and the analysis of terrain echoes, a geometrical model of air to ground ranging is constituted. by using the signals received from the sum and difference channels of terrain follow radar, a group of the expressions for terrain echoes are educed and characteristics of these echoes are obtained. according to the characteristics of the echoes, the theory and method of pass zero detection of difference channel and its applications are discussed in detail
針對一維單脈沖雷達體制，分析了地形目標回波特性；建立了地形跟隨雷達空地測距的幾何關系；利用雷達收發信號，導出了地形跟隨雷達和差接收通道的回波信號表達式，進行了波形模擬，得到了地形跟隨雷達的地面散射產生回波在時域中的特性；根據和差回波特性，闡述了差信號過零點檢測測距的原理和方法及工程實踐中的應用，並給出了真實雷達對外輻射試驗的結果，驗證了文中的模擬。 -
The algorithm and its implementation of the leading zero anticipation are very vital for the performance of a high - speed floating - point adder in today s state of art microprocessor design. unfortunately, in predicting " shift amount " by a conventional lza design, the result could be off by one position. this paper presents a novel parallel error detection algorithm for a general - case lza
目前國際上已有很多演算法對前導0預測演算法進行了研究，但是出於設計方法和延遲等方面的限制，大部分前導0預測演算法都為非精確演算法，其預測結果可能與真實加法結果中前導0的個數產生一位的誤差，這個誤差需要在浮點加法的后規格化過程中進行修正，因此反過來又增加了浮點加減演算法的關鍵路徑延遲。 -
Parallel error detection for leading zero anticipation
Lza演算法的錯誤并行檢測 -
In this paper, we emphasis on the distributed mimo zero forcing detection, maximum likelihood detection and minimum mean square error detection. the simulation results are presented to compare the proposed distributed mimo detection algorithms
本文重點闡述了分佈mimo的迫零檢測演算法、最大似然檢測演算法和最小均方誤差檢測演算法，並通過模擬比較了這三種分佈mimo檢測演算法的性能。 -
Chapter four reviews the involvement process of the overseas statement of auditing standards about detecting fraud, and obtains the enlightenment that exterior audit objective passed through 70 years development and returns to the zero point namely " responsibility for fraud detection ". and then this part proposes that we should construct the auditing model based on auditing objectives, therefore design the detecting - fraud auditing model
第三部分內容:在對制度基礎導向審計模式、傳統風險導向審計模式以及現代風險導向審計模式在我國適用性的分析基礎上，回顧了國外舞弊導向審計準則的變遷過程，指出外部審計目標1經過70年的發展變遷又回到了原點即「查錯防弊」 。 -
In view of theproperties of infrared thermal images, narrow - range zero - crossing edge detection method was applied to detect the edges of welding flaws and good results were obtained
針對紅外熱圖象的灰度特性，提出了窄范圍二階導數過零邊緣檢測用於焊接缺陷的邊緣提取，獲得了較好的效果。 -
Consoidering the low bit - rate video encoding characteristics, background block search algorithm, which is based on diamond search algorithm was used to improve the motion estimation speed. and detection of all - zero block algorithm was chosen for the reason of static background sence in minotor video encoding application
分析了低碼率監控視頻的特點后，我們對編碼演算法進行了修改，提出了基於鉆石搜索的背景塊運動搜索演算法和全零塊預判演算法，提高了編碼程序的效率。 -
This paper introduces the methods of hyperspectral images band selection based on the property of hyperspectral remote sensing images, utilizes the projection pursuit approach to find optimal solutions for a selected projection index based on dynamical evolutionary algorithm and then project a high dimensional data set into a low dimensional data space to produce a sequence of projection images, explores zero - detection method to threshold projection images to detect anomaly tar get
摘要運用基於波段間相關性的高光譜影像波段選取方法進行波段的預選取，採用投影尋蹤的方法在動力演化演算法的基礎上尋找最佳投影方向，將高維數據投影至低維數據空間，在各投影分量圖像上採用零點檢測閾值化的方法進行異常目標的提取。 -
Then one of the methods of rotor position detection - bemf zero crossing point detection is explained in detail. in succession, the chapter dissertates the method of measuring phase voltage and supply voltage, and analyses the error of rotor position using this method
對轉子位置檢測方法中的反電勢過零點法作了比較詳細的介紹，討論了反電勢法中相電壓和端電壓的檢測方法，並分析了利用該方法時而產生的轉子位置檢測誤差。 -
In this chapter, the method of bldcm rotor position detection is first discussed. then the principle and algorithm of bemf zero crossing point detection is explained. in succession, the chapter dissertates the software realization of the bemf zero crossing point detection algorithm, the software disturbance filter and the modification of phase displacement, and the software realization of commutation point
在這一章中，先簡述了無刷直流電機的轉子位置器檢測方法；然後論述了反電動勢過零檢測原理和演算法以及該演算法的軟體實現、軟體濾波和相移修正、換相點的軟體實現；最後對軟體開環換相起動策略作了詳細論述。 -
Bar code recognition is a matter of edge detection, which has long been done through the maximum value of the first derivative or zero crossing of the second derivative
條碼識別是一個邊緣檢測問題。長期以來，邊緣檢測都是通過一階導數極大值或二階導數零交叉進行的。 -
Abstract : zero - crossing edge detection method was analyzed
文摘:討論二階導數過零邊緣檢測方法。 -
Mostly, traditional arithmetic of image edge detection distill edge using gradient maximum or zero - crossing which base on gray discontinuousness on edge. they are affected easily by noise
傳統的邊緣檢測運算元大都是基於邊緣的灰度不連續性利用梯度局部最大值或二階導數過零點來檢測邊緣，容易受噪聲干擾。 -
Then the exisiting algorithms on iris location are studied and the disadvantages are pointed. a new approach based on edge detection, mathematic morphology and probability statistic is put forward. after studing the means of daugman ’ s encode of iris texture and w. w. boles ’ extraction the unique features by the zero - crossings of the wavelet transform, we adopted wavelet multi - resolution analysis that extract the feature
在研究和分析了前人的虹膜定位演算法以及daugman對虹膜紋理的編碼方法、 w . w . boles的小波過零點分析提取虹膜特徵識別演算法的基礎上，研究了基於邊緣檢測和數學形態學以及概率統計等理論的一種新的虹膜定位方法;研究了虹膜圖像的歸一化和圖像增強;研究了基於db4小波的多分辯率分析的虹膜特徵提取演算法;研究了相關系數匹配識別。 -
To reduce the runtime of the software, fast algorithms are adopted in the motion estimation and dct modules. moreover, this paper introduces early detection of zero motion vector and all zero coefficients to optimize the coding process
為了提高軟體運行速度，對運算時間較長的運動估計和dct模塊採用快速演算法，並對編碼過程進行優化，採用了零運動矢量和零系數提前判決的方法，節省了很大一部分塊匹配搜索和dct運算時間。 -
The traditional detection algorithm, based on zero - crossing or energy, will not acquire ideal effect when the signal - to - noise is low or the signal is weaker. therefore, to resolve the real problem in the real environment that all kinds of random noise and speech signal exit together, some new algorithm must be put forward. account for the complexity of real noise, we integrate the wavelet transform and high - order statistics and advance a new algorithm ; the algorithm can effectively separate the speech signal and the non - gauss noise
基於過零率和能量的傳統檢測演算法，在噪聲環境比較復雜的情況下效果很不穩定，尤其是信噪比較低或者語音信號較弱時，檢測效果很不理想，因此，在多種語言和噪聲隨機出現、噪聲和語音強弱不一的實際噪聲環境下，必須利用新的演算法提取有用信號和噪聲信號的有效特徵，才能解決實際的問題。 -
Above all, this paper work on the principle of simulink. principle of block and model are explained during initialization and execution stage. then runge - kutta ( 4, 5 ) formula which is a main numerical integration method of simulink and zero crossing detection function are analyzed
從構成模型的基本單元? ?模塊入手，闡述其運行機理並對模型的執行階段進行全過程分析，然後介紹simulink的主要數值積分方法? ?四?五階變步長runge - kutta法的基本積分原理，以及simulink的拐點處理功能? ?過零點檢測技術（ zerocrossingdetection ）的基本原理。 -
The cross - zero detection of wavelet transform could detect the gradation image sudden change information, at the same time it could be express the characteristic information the original map ( namely image function plants " jump point " )
小波過零檢測可以很好的檢測到灰度圖像的突變信息，同時可以很好的表示出原圖像灰度跳變（即圖像函數種的「拐點」 ）的特徵信息。 -
In this paper, the real - time detecting method for harmonic current need only that the constructed voltage system be in step with the real voltage system ( which can be obtained by cross - zero detection to voltage waveform ), meanwhile, we have testified in concerned chapter that the phase is not important for the constructed voltage system
本文所提出的諧波電流實時檢測方法，其前提只是要求構造系統與原有電壓系統同步（這可以通過對電壓波形的過零檢測來實現） ，而對于構造系統的相位卻沒有嚴格的要求，本文並在相應位置給予了其證明。
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