threshold structure 中文意思是什麼
threshold structure
解釋
閾結構-
The resonance structure in the region of the 3p threshold is enhanced via a super - coster - kronig transition
由於super - coster - kronig過程，在3p電子的閾能區間得到了加強型共振結構。 -
Based on these, considering prepayment " influence on mbs " price, the following three pricing methods are researched on deeply. referring to the experiences of foreign countries, the pricing method based on prepayment pattern is given ; considering the influence of interest rate on prepayment, different interest rate simulation pricing methods are set up, which is on the basis of different interest rate term structure model ; in view of interest rate and different incentive threshold of mortgager, a interest rate incentive function simulation model is established to price mbs
在此基礎上，考慮到預付對證券價格的影響，對以下三種定價方式進行了深入研究：借鑒國外經驗，提出了基於提前還款模式的定價方法；考慮利率對預付行為的影響，建立了基於利率期限結構的不同種模擬利率定價模型；考慮到利率以及抵押借款人的不同利率刺激門檻對預付的影響，建立利率刺激函數模擬模型進行定價。 -
A new prestressed bowshaped structure strain multiplier was designed to solve problem which strain amplitude is much lower than the threshold of fatigue life gage, and this strain multiplier take the advantages of entire structure, lower stiffness, good reliability and convenience to use
設計出一種弓形預應力結構應變倍增器，解決了橋梁應變幅值遠遠低於疲勞壽命計門檻值這一關鍵問題，此倍增器具有整體性強、剛度低、可靠性好、使用方便等優點。 -
This paper introduces a project based on code division multiplexed that is used to realize four el channels ' s wireless transportation. after briefly introducing the whole structure of the device of transportation, this paper introduces mainly implemention of the hardware. futhermore, the discussion concerning the selection of principles in code acquisition and the threshold setting of code acquisition on continous pilot in the receiving unit is given. at the same time, the methods about how to design the parameters of dll is introduced in this paper. in addtion, how to solve the actual problems in debugging the hardware is also provided
本文提出了一種基於碼分復用技術的四路e1數據擴頻無線傳輸設備的實現方案。在介紹整個擴頻數傳設備實現框圖的基礎上，重點介紹了硬體平臺的實現；接收單元捕獲策略的研究及其捕獲門限的確定方法；以及接收單元dll環路參數設計方法；並給出了調試過程中遇到的實際問題及其解決措施。基於調試所遇到的問題，論文的最後提出了這套數傳設備的改進方案。 -
Abstract : in view of the crystal structure, this paper repo rts thecharacter of single crystal growth of germanate and the properties as me dium of laser crystal. the study and progress in germanate crystals used as widel y tunable laser crystal, self - doubling - frequency crystal and highly efficient and low pumping threshold laser crystal are introduced
文摘:從晶體結構上分析了鍺酸鹽的單晶生長和作為激光晶體基質的特點，並介紹了鍺酸鹽作為可調諧激光晶體，自倍頻晶體，高轉換效率和低泵浦閾值的激光晶體的研究及進展。 -
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。 -
The damage threshold of nodular cast iron exists and increases with nodularity, but this threshold is always below the yield strength, which has related significant reference to the design of machinery structure and the choice of materials
球墨鑄鐵存在著損傷閾值，其大小隨球化率提高而呈直線增大，但損傷閾值皆小於屈服強度，這一點對機械結構的設計和選材具有重要參考意義。 -
This dissertation reviews the research advances of secret sharing schemes, designs secure threshold secret sharing schemes, and constructs secure and efficient secret sharing schemes based on vector space access structure
本文闡述了秘密共享方案的研究現狀及背景，設計了安全門限秘密共享體制，並在此基礎之上構造安全有效基於矢量空間訪問結構的秘密共享體制。 -
Secondly, the radiation effects of the system of silicon gate si / sio2 ( silicon gate nmos and pmos ) implanted bf2 are made a deep systematic study. especially, the relationship between threshold voltage shift ( vth and vit vot ) in radiated mos transistor and irradiation dose rate, irradiation dose, irradiation temperature, bias voltage, device structure as well as annealing condition is explored emphatically
在此基礎上，對bf _ 2 ~ +注入硅柵si sio _ 2系統低劑量率輻照效應進行了深入系統的研究，著重研究了bf _ 2 ~ -注入mos管閾值電壓漂移（ vth和vit 、 vot ）與輻照劑量率、輻照總劑量、輻照溫度、偏置電場、器件結構以及退火條件的依賴關系。 -
In this paper, micro - cavity semiconductor laser ( mcsl ) with pillar vertical - cavity surface - emitting structure ( vcsel ) which has potential applications in optical communication and optical interconnect is theoretically analyzed, the calculation model that used to discuss the modal performance of rectangular columnar and cylinder vcsel with oxidized aperture is established by using vector field model. the numerical simulations in the case of cylinder structure show oscillating wavelength and threshold gain against inside and outside radius of laser, the layer refractive index and pair number of bragg mirror, thickness, position and oxidized material ' s refractive index of oxidized aperture, in detail. more practically, considering dos shell of laser as non - perfect one, or supposing that dos shell is separated from the laser, we can obtain more significative results
本工作以矢量場模型出發，對具有誘人應用前景的柱形垂直腔面發射結構（ vcsel ）的微腔半導體激光器（ mcsl ）進行了理論分析，建立了用於分析方柱形和圓柱形結構具有氧化孔徑層的激光器的模式特性的理論模型；對圓柱形結構情況進行了數值模擬，得到了振蕩波長、閾值增益隨激光器內外半徑、 bragg反射鏡層折射率、周期數以及氧化孔徑層厚度、位置和氧化物折射率的詳細變化規律；為使理論計算更接近實際，將外加金屬包殼視為非理想導體，或將金屬包殼與激光器結構隔開，分別對這兩種情況下的結果進行了討論。 -
The regularity of accumulation distribution is ascertained and directs the exploration orientation. the main results obtained in this paper are : 1. the analyses of hydrocarbon - bearing rock, reservoir, caprock and oil & gas reservoir indicate the source of oil & gas, the space for reservoir, requirement for preservation, reservoir type and its basic characters. 2. it is realized by the analyses of sealing up capability of caprock and faults, and fault ' slatter stability from microcosmic and macroscopic that the wide - spread regional caprock of nm t prevented oil & gas of neogene from diffusing fault movement in neogene less violated and fault displacement decreased, which are advantageous for the preservation of oil & gas reservoir. and latter structure movement usually formed the accunulation of oil & gas in neogene. 3. the research of history of hydrocarbon generation and expulsion of main hydrocarbon - bearing rock in qikou depression reveals the threshold depth and the fime of hydrocarbon generation and expulsion
項目研究取得了如下認識： 1 、對烴源巖、儲集層、蓋層及油氣藏展開分析，明確了歧口凹陷上第三系油氣藏的油氣來源、儲集場所、保存條件和油氣藏類型及其基本特徵； 2 、從微觀和宏觀上對蓋層的封蓋能力以及斷層封堵和後期穩定性進行分析，認識到明下段區域蓋層的廣泛分佈阻止了上第三系油氣藏的油氣逸散，同時上第三系斷層活動減弱，斷距較小，對油氣藏的保存較為有利。 -
Therefore, shareholders ' action should be regulated in such aspects as optimizing equity structure, establishing an effective mechanism of incentive and constraint, strengthening the function and efficiency of board of directors, raising the entry threshold of shareholders, and improving related laws and regulations
規范股東行為應從優化券商股權結構、建立有效的激勵約束機制、強化券商董事會的職能和效率、提高券商股東的進入門檻和完善相關的法律法規等方面入手。 -
The integral structure of system are analyzed, and a scheme based on dsps processing board + mcu control board are put forward firstly, following design difficulties and relevant measures. every modules of dsps board are described in details, including chips selection, implementation manners choice, interface and time sequence match and etc. compared otsu single threshold segmentation with multi - threshold segmentations, the latter are preferred to perform the object identification in hardware designed by author. combined to like background rejection, morphology expansion and etc. steps, the paper gets the length of queue ; finally, a - b united control and area united control based on can bus are designed
首先分析了系統的總體結構，提出了一種基於dsps處理板+單片機控制板的信號機實現方案；在此基礎上，重點介紹了處理板模塊化的硬體電路設計，其中考慮了晶元的選型、實現方式的選擇、工作機制、時序匹配等問題；之後，分析了otsu單閾值目標識別和多閾值目標識別的效果，重點選擇後者在硬體電路板內對圖像進行了目標識別的演算法處理，結合背景的剔除、形態學膨脹等幾個減小誤差的措施，對車輛排隊長度進行了較為精確的提取；最後在控制板上完成了干線a - b信號聯動控制和基於can總線的區域聯網控制的通訊方案設計。 -
3. tracking algorithm for curves, including the method for gray threshold combining space information, lag structure which was used to compress well - logging data during compressing and a progressive - completing method for curves tracing
3 .曲線跟蹤演算法，包括結合空間分佈信息的大津閾值方法、基於行程編碼的圖像無損壓縮演算法和逐步完成的曲線跟蹤方法。 -
There are many approaches to achieve the purpose, and one of the perfect them is tunnel - cascaded multi - active regions large cavity ld structure, in which not only the effective thickness of the active region increase but also obtain lds ’ low threshold current and high slope efficiency and other properties
有多種途徑實現ld光束特性的改善，其中採用多有源區隧道結級聯大光腔結構的半導體激光器是既增加有源區等效厚度而又保證ld低閾值電流和高斜率效率等特性的最佳途徑之一。 -
Physics device model, component structure design and fabrication technology are discussed based on the thorough analysis of strained silicon and soi physics mechanism. the detail contents are as follows. the analytical threshold voltage model, drain current model and transconductance model are derived from poisson ’ s equation for the fully depleted strained soi mosfet
本論文圍繞這一微電子領域發展的前沿課題，在深入分析應變硅和soi物理機理的基礎上，對器件的物理模型、器件結構設計和工藝實驗等問題作了研究，主要包括以下幾部分:首先，從器件的物理機制出發，建立主要針對薄膜全耗盡型器件的閾值電壓、輸出電流和跨導模型。 -
However, ingaas strained - layer single quantum well lasers, optimized for low threshold current and low series resistance, have a highly elliptical beam structure emanating from the laser facet
但是報道的技術中多是針對圓對稱光束或近圓對稱光束。 -
And the conductive composites are light, cheap and easy to shape. they can adjust their conductive property and mechanical property based on need. they are mass production. so studying conductive composites is becoming the hot topic. using the solution intercalation in the nano - composite to produce the lower percolation threshold conductive composite composed of conductive filler with flake structure attracts a lot of people
而復合型導電高分子材料因其質輕，易於成型加工及可在大范圍內根據使用需要調節材料的電學及力學性能，成本低，宜於大規模生產等優點，成為許多國家研究的熱點。 -
Main contents are as follows : analyzing structure of image rendering system -, discussing on three factors affecting digital halftoning technique which are threshold choice, choice of image scanning path and error filter coefficient ; probing into merits and deficiencies of existing technique. in the thesis, many new methods or techniques are : 1
其主要內容包括：分析了圖像再現系統的構成；探討了影響數字半色調技術的三大因素（閾值的選取，圖像掃描像素路徑的選取以及誤差濾波器系數的選取） ；討論了現有數字半色調方法實現過程的優點和不足。 -
A new method of using - threshold scheme to realize any access structure
門限方案實現任意訪問結構的新方法
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