threshold character 中文意思是什麼
threshold character
解釋
閾性狀-
The initial vsd process uses two main characters, the average instantaneous energy and the average instantaneous zero crossing rate ( zcr ). to make the first recognition for the start and the end, the emphasis of which is to select the appropriate value of the threshold and the length of frame. in the final vsd process, the author compares several characters and confirms the new recognition character
初步分段過程使用了能量和過零率這兩個主要特徵進行端點檢測，重點是合理選擇兩個重要參數? ?門限和統計幀長度的取值；在最終分段過程中，筆者首先通過比較幾種特徵的識別效果，選擇卡爾曼濾波參數作為再次分段的識別特徵，還提出了一種新的識別特徵? ?周期性緩變特徵，使用這兩個特徵分別在子語音段內進行端點檢測。 -
Heredity modes of 6 traits were studied by analysis of population genetics, by the method of family combination analysis, by the methods of proband ' s sib analysis, segregation analysis, the threshold model of polygenes, and analysis of typical family trees, according to the data of the 72 families. the relative importance between genetic and environmental effect on each character was evaluated by comparing the coherence of twins. gene frequencies of 5 genetic characters, calculated from han group in huhhot, were compared with other groups by u - test so as to study the population or nationality difference in heredity
採用群體遺傳學分析、家系組合分析法、先證者同胞法、分離分析法及多基因閾值模式分析方法對所得家系資料進行了統計學分析，結合家繫系譜分析探討了上述6項特徵的遺傳方式；通過雙生子一致率的比較，對上述特徵的遺傳與環境效應的相對重要性進行了評價；計算了呼和浩特市漢族群體5對遺傳性狀的基因頻率，採用u檢驗方法與相關文獻報道的其他群體進行了比較，探討了不同種族間或民族間的遺傳差異性。 -
This thesis explains the necessity of the character recognition technology of the computer at first, describe the meaning in which the handwritten numeral discerns ; pretreatment technology of handwritten numeral recognition, including two value, line segmentation, word segmentation smooth, removing noising, standardization and thinning are discussed two value concretely discusses whole threshold value, some threshold value, dynamic threshold value and utilize space information to carry on threshold, which are several kinds of common method of choosing threshold value, especially utilize space information to carry on threshold value is describe in detail ; adopting to the foundation of thinning based on mathematics morphology, thinning algorithm of serials same and thinning algorithm of protecting shape are discussed ; afterwards, according to principle ' s diagram of the on - line character recognition, by analyzing the structure feature of the handwritten numeral, this thesis has proposed the online recognition te chnology of the free handwritten numeral based on the stroke feature and the online recognition technology of the free handwritten numeral based on the multistage classifying device. detail narrated noise removing, stroke characteristic definition and discernment, distance criterion of whole word match ; then under the foundation of handwritten numeral segmentation, off - line handwritten numeral recognition is researched. especially minimum distance classifying device, tree classifying device and adaptive resonance ( art ) network classifying device is discussed at the same time, believes degree analyses are introduced to integrate a lot of classifying devices ; at the end, the typical application of the handwritten numeral recognition was briefly narrated, its application in extensive data statistics, financial affairs, tax, finance and mail sorting have been explored
二值化時對整體閾值二值化、局部閾值二值化、動態閾值二值化和利用空間信息進行閾值選取幾種常用的閾值選取方法進行討論，特別對利用空間信息進行閾值選取進行了詳細論述；在對通過對基於數學形態學的細化的基礎上，討論序貫同倫形態細化演算法和保形的快速形態細化演算法；然後依據聯機字元識別原理框圖，分析了手寫數字的結構特點，提出了基於筆劃特徵的任意手寫數字在線識別技術和基於多級分類器任意手寫數字在線識別技術，對其中涉及的筆劃識別前的噪聲處理、筆劃間特徵量的定義及識別、整字匹配的距離準則進行了詳細敘述；繼而在對手寫數字的分割的基礎下對脫機手寫數字識別進行了研究，對基於最小距離分類器字元識別、基於樹分類器的字元識別、基於自適應共振（ art ）網路的字元識別分別進行了詳細討論，並引入置信度分析將多個分類器進行了混合集成；最後簡單闡述了手寫數字識別的典型應用，對其在大規模數據統計、財務、稅務、金融及郵件分揀中的應用進行了探索。 -
At first, bubble flow image is acquired using laser and incandescence lamp respectively as light source and using ccd. according to different optics - dispersion character, threshold segmentation method is proposed to identify gas from the gas - water flow, which make steadfast base for further calculate void fraction. the precision of threshold directly affect the calculate precision of void fraction
文中分別採用激光片光源和影視燈照明，採用逐行掃描數字ccd攝像機獲取氣泡的流動圖像；根據氣泡和水對光的反射特性不同，提出採用閾值法識別圖像中的氣泡和水，從而為進一步計算摻氣濃度打下堅實的基礎。 -
The character of fiber laser spectrum is measured by optical spectrum analyzer. the experiment approves the relationship of loss, threshold and lasing wavelength, which is that the higher loss, the higher threshold, and the shorter lasing wavelength
我們用光譜儀測量了激光光譜特性，實驗研究了腔損耗及閾值和激射波長的關系，即損耗越大閾值越高，激射波長越短。 -
At the meantime, during the procedure of pre - processing, according to the character that the illumination conditions on the scene of the expressway toll collection frequently change a lot, the algorithm of first difference combining the method of fixing the threshold of binarization via accumulating the points was used to complete the job of extracting the outline of the image
在圖像預處理過程中，根據高速公路收費站點光照條件不斷變化的特點，採用一階差分演算法並結合累積像素點確定二值化閾值的方法，完成圖像邊緣輪廓的提取工作。 -
According to the character of the flyers, a one - dimension maximum entropy image binary conversion method based on edge features is proposed, which can implement adaptive threshold selection
針對飛行物圖像的特點，提出了一種新的基於邊界特徵的一維最大熵圖像二值化分割方法，該方法可以自適應地選取閾值。 -
Firstly, the paper introduces the development and application of computer graphics & image technique, discusses the principle and method of cg and digital image processing, such as matrix of the graphic transformation, homogeneous reference frame, sampling and quantization of the image, file format of the image, template operation, etc. secondly the paper introduces the purpose and method of image enhancement processing, explains the each occasion of those methods such as threshold transformation, smoothing processing, sharpening processing, analyzes and contrasts the processing results of object image. thirdly, the paper introduces the method of mathematics morphologic, edge detection and thinning processing, attains character description of image and character dots of the contour. fourthly, the paper processes the coordinate transformation to character dots and basic splines fitting, imports correlative condition to devise meshing line and meshing track
本文首先介紹了計算機圖形圖像技術的發展與應用情況，對計算機圖形學和數字圖像處理的一些基本理論和方法如圖形變換矩陣、齊次坐標系、圖像采樣和量化、圖像文件格式、模板操作等內容進行了討論：然後對圖像增強處理的目的和方法進行了介紹，對諸如閥值變換、平滑處理、銳化處理等方法的應用場合進行了說明，並對實物圖像的處理結果進行了分析與比較；接下來介紹了數學形態學方法、對增強后的圖像進行邊緣檢測的方法和圖像的特徵描述方法，並獲取輪廓的特徵點：隨后對獲取的特徵點進行坐標變換，並進行b樣條曲線擬合，引入相關條件生成齒輪副的嚙合線及嚙合軌跡：最後引入等值線和區域填充表示方法，並以等值線和區域填充的形式對弧齒錐齒輪嚙合模擬的載荷分佈情況進行了直觀的表示。 -
The paper develop triumphantly the algorithm of compositive character of wavelet parameters and software of oil & gas detection by wavelet, in addition, the method of wavelet threshold value has been created without precedent. these achievements not only offer the task of oil & gas detection a new clue and method, but also get good comments some experts of the same trade have made on, because of predicting the advantaged oil area of upside layer of aotaoxi in some oil field
論文成功研製了小波參數綜合特徵的演算法和小波油氣預測的軟體包，還創造性地提出了小波油氣預測的門檻值法，這些不僅為油氣檢測這一課題提供了一種新思路、新方法，而且該方法對某油田奧陶繫上部儲層的產油有利區帶進行了預測，得到了同行專家的好評。 -
The practical methods of signal pre - processing ( anti - disturbance filtering, data smoothing ) and character extraction ( differential limitation, absolute peak value, peak - to - peak value, area of wave and self - adaptive threshold adjustment ) are introduced
並介紹了一些實用的信號處理和特徵提取演算法，包括可以實時運算的用於抑制干擾的濾波器和數據平滑演算法及用於定量分析的差分超限數、絕對峰值、峰-峰值、波形下面積和自適應門限調整等演算法及其應用。 -
We analyzed the polarizing character, threshold condition, raman shift of srs in different polarizing pumping light. in addition, the empirical formulas on stimulated raman scattering are given. theoretical analyses and experimental results are in good agreement
對它們在不同偏振態泵浦光激勵下各級stokes的偏振特性、閾值條件、喇曼頻移等各參數進行了分析，並給出了經驗公式，其結果和實驗數據符合良好。 -
Foreground area is extracted by adaptive threshold method, the object is searched by extending the connected components extraction method, the object is recognized based on the geometrical character
以自適應門限值提取前景區域，通過擴展的連通分量提取演算法實現了目標的快速搜索，最後基於幾何特徵對目標加以識別。 -
A tool to analyze the object based on color character is designed. the threshold value for image recognition can be decided by many experiment and the results statistic. the results of many experiment in defferent conditions, the image recognition accuracy rate has reached 100 %
設計一個針對被識別目標的顏色特徵分析工具，通過多種情形的實驗和對實驗結果的統計確定了用於識別的閾值。不同環境下的實驗結果證明，告警燈識別準確率達100 % 。 -
The managers have a good opportunity coming to an agreement with the bidder firm to hold the position and the other wealth under a poor condition of supervising, which harm the interesting of the state wealth. this paper describes the course of the alienation of the state - owned listed companies, point the possibility and the way of the self - satisfied of the managers by lowering the price of the share to trade for a continuous managerial career, which low the threshold of the embezzling by the controlling shareholder. we chose 18 indexes including managerial power dimensionality, managerial independence dimensionality, managerial credit dimensionality and trade character dimensionality to describe the influenced price agreed by both sides
我們利用logistic回歸建立主體模型，分別以董事長、總經理和全體高管人員留任比例為因變量，以交易價格的賬面溢價和由市價和行業平均市凈率推算出的市場溢價為主要考察對象，發現國有上市公司控股權交易溢價越低，董事長和總經理留任的機會就越大，全體高管人員留任的比例也就越大;高級管理人員影響價格的能力取決于在上市公司中已經任職的時間長，並受制於董事會中外部董事的比例大小。 -
The character of threshold voltage in vlsi circuit is analyzed. it can make a serious effect on power dissipation and performance. an algorithm based on partition is designed to choose the most favorable working voltage and threshold
在低電壓電路中，既要使電路實現正常的開關，又必須限制延時和亞閾值漏電流的急劇增加，就必須認真地選擇工作電壓和閾值電壓。 -
Then we analyze the static character of sbs to obtain the sbs gain factor and threshold under continuous wave and pulse. because there is no stokes seed in fiber hydrophone system, we analyze the sbs based on the noise initiation of sbs model. we use the finite differential time domain method to do the sbs numerical simulation in fiber
由於光纖水聽器中的sbs是在沒有種子光注入下產生的，於是我們推導了噪聲激發模型下描述sbs的耦合波方程組，對該方程組使用時域有限差分法進行了數值模擬，並推導了連續光和脈沖光下的閾值。 -
After summarizing some methods of character pick - up, a more suitable means for ranging system on highway was brought forward. it combined the technology of image smooth, region segmentation and threshold segmentation and picked up the object auto. it has high speed and high veracity in program
該方法將圖像平滑、區域分割、閾值分割等多種圖像處理技術有機的結合，對採集的圖片成功的實現目標汽車提取，並且具有計算速度快、準確性高的特點。 -
Then the de - lay differential method of detecting the milling cutter breakage is put forward according to the above research work and the changing characteristics of power signal and vibration displacement signal when the tool breakage occurs, the monitoring stategy of sensors fusion based on the artificial neural network is put forward. the monitoring system of milling cutter breakage based on the information fusion of the power signal and vibration displace - ment signal has been developed. the diff culty in giving a dectecting threshold due to the changeable character of character of cutting condition has been solved, and a good reliability is ensured over a wide range of conditions
在上述研究工作的基礎上，提出了基於人工神經網路用於多傳感器信息融合的監測策略，開發研製了以機床主電機功率信號和主軸振動位移信號特徵參量融合的銑刀破損監測實驗系統，解決了銑削過程中切削條件多變導致監測閾值難以設置的難題，保證了在較寬的工作范圍內具有較高的識別準確率。 -
Firstly, the paper introduces the character and the development of all - digital receiver, then an adaptive threshold correlation detection algorithm has been presented
本文首先介紹了全數字接收機的特點及其發展概況，然後介紹了一種用於信號捕獲的自適應門限的信號相關檢測演算法。
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