characteristic dimension 中文意思是什麼

characteristic dimension 解釋
基準尺寸
  • characteristic : adj 有特性的;表示…特性的,…特有的。 Japan s characteristic art 日本特有的藝術。n 特性,特徵,性...
  • dimension : n 1 尺寸。2 【數學】次元,度(數),維(數)。3 【物理學】因次,量網。4 〈pl 〉容積;面積;大小,...
  1. This paper deriving the theory work inflection point in the static stage characteristics curve of small measurement range linear dimension measurement. by the way of high pressure and back pressure pneumatic measure and designed the parameter of the mainly and measure spray head, which are the key component in the spray head - baffle pneumatic sensor. the different groups for the main - spray head and the measure spray head, will effect the dynamic and static stage characteristic parameter. the author have done contrast experiment and optimization design to test and verify the theory derivation whereby made the rang of show valve of pneumatic measure system measure range up to 40 u m, the sensitivity up to 100mv / u m, resolution up to 0. 05 p m, the uncertainly of measure is less than 0. o2 u m, satisfaction of requirement of groups the carboy hatch thickness size precise measure of soft shims

    對高壓背壓式氣動測量用於小量程線性尺寸測量的靜態特性曲線的理論工作拐點進行了推導,對氣動測量系統中的噴嘴-擋板型氣動傳感器中的關鍵部件? ?主噴嘴和測量噴嘴的參數進行了理論設計,對主噴嘴和測量噴嘴的不同組合,將影響測量系統靜、動態特性指標的噴嘴參數進行了對比實驗和優化設計,並通過實驗驗證了理論推導,從而使氣動測量系統量程的示值范圍達到40 m ,靈敏度達到100mv m ,解析度達到0 . 05 m ,測量不確定度小於0 . 2 m ,滿足了壓縮機缸蓋軟體墊片厚度尺寸精密測量分組的要求。
  2. Inorganic nanoparticle is a particle with smaller characteristic latitudinal dimension than 1 00nm, being a substance between macroscopic solid and sub - stable immediate of molecule

    無機納米粒子是特徵緯度尺寸在納米數量級的粒子,是一種介於宏觀固體和分子的亞穩中間態物質。
  3. Taking the advantage of the characteristic of nonlinear multi - zone partition in multi - dimension of mtn, an approach of employing mtn for archiving arbitrary digital logic was proposed. according to this approach, the xor operation which needs three stns to achieve was implemented using single mtn

    然後對多閾值神經元及其輸出特性作了詳細分析,利用多閾值神經元具有在多維空間中多區域非線性劃分的特點,提出了用一個多閾值神經元實現任意數字邏輯的規范方法。
  4. The simulation results are compared to the normal dipole antenna in order to observe the influence of fractal and investigate the effect of antenna miniaturization. the relationship between miniaturization and fractal dimension is researched. the koch and 3 / 2curve fractal unit are applied to yagi - uda antenna, the performance like impedance characteristic and radiation pattern is simulated by cst microwave studio ?

    對其阻抗特性及輻射方向圖進行了模擬計算,並分別與未應用分形的普通半波振子天線相比較,觀察分形對天線性能的影響,以檢驗分形天線小型化的效果,研究了尺寸縮減性與其分形結構的分形維數之間的關系。
  5. The paper abstracts out the palmprint mainline characteristic owing to palmprint image gradation by the gray value characteristic property method, defining the online palmprint characteristic space with the form of the polar coordinate and compressing the dimension, at last we use the neural network to accomplish the design of identification authentication system with the on - line palmprint as the mating algorithm. based on this, a fast and reliable system of identification authentication can be built

    採用基於掌紋圖像灰度特性的方法提取出掌紋的主線特徵,以極坐標的形式定義在線掌紋的特徵空間並降維處理,最後用神經網路作為匹配演算法完成在線掌紋身份驗證系統的設計,以此為基礎建立了快速、可靠的新型身份認證系統。
  6. Second, based on the characteristic of the receiving water studied in this paper, develope a dynamic one - dimension water quality model for nanbei river in zhangcha town of foshan city, and develope a program of water quality model based fortran powerstation. and then, calculate the concentration of codcr in receiving water using the simulation results of swmm and analyze the effect on the environment of receiving water by intercepting ratio. at last, the construction investment and operational and administrative expenses of intercepting trunk sewer 、 pumping station and sewage farm is calculated and the relation between them is discussed

    其次,本文根據研究區受納水體的特點,建立了佛山市張槎鎮南北大涌的一維非穩態水質模型,相應地開發了基於fortranpowerstation平臺的水質模型計算程序,並在swmm模型模擬結果的基礎上,利用本文編制的水質模型程序計算了不同截流倍數時南北大涌codcr濃度的時空變化過程,分析了截流倍數對河涌水環境質量的影響。
  7. Smart materials and structure have definite requirements of sensor components and driving components, for example, they can adhere well to the matrix and have higher strength, fatigue strength, more broad scope of frequency response and faster response speed, etc. piezodielectric ceramics have characteristic of easily preparing, heat - resistance, wet - resistance, high strength and broad scope of frequency response, etc. furthermore, it has piezoelectric effect and inverse piezoelectric effect, namely it can produce electric potential energy when it is transformed by mechanical strength and its mechanical dimension can be transformed when voltage is put on it

    壓電陶瓷能與基體材料很好結合,具有制備容易、耐熱、耐濕、強度高、頻響寬等特點,另外它具有正壓電效應和逆壓電效應,即當它受到機械力變形時,能產生電勢,對它施加電壓時,能改變其機械尺寸,因此它在智能材料結構中既能用作傳感元件又能用作驅動元件。
  8. Compare to the normal rectangular waveguide, ridge waveguide has the character of broader bandwidth, smaller dimension, lower equivalent characteristic impedance, etc. because of these merits, it is used more and more widely, such as broadband ridge waveguide filter, broadband direct coupler, diplexer, frequency converter, phase shifter, ridge waveguide slot antenna array, and so on

    與普通矩形波導相比,脊波導具有工作頻帶寬、尺寸小、等效特性阻抗低等特點。由於脊波導本身的特點,使其得到了越來越多的應用,例如寬帶脊波導濾波器、寬帶定向耦合器、雙工器、變頻器、移相器、脊波導縫隙天線陣等等。
  9. First of all, the data system in the article is discussed and the goal function used to optimize the agricultural structure and the inhabitable condition are offered. then according to the characteristic of agricultural data system the logical structure of data bazaar in the data warehouse in the system is designed and the program for drawing out the data for data warehouse are offered. and we use the analysis services in sql server 2000 to design the multi - dimension data volume, which laid the groundwork for the later olap and data mining, we make use of the technique of mining the association rules to discover the rules in the data which are processed in a certain extent

    本文首先探討了該系統中的數據指標體系,給出了相應的優化農業結構使用的目標函數和約束條件;然後根據農業數據的特點,設計了該系統中的數據倉庫中的數據集市的邏輯結構,給出了相應的數據倉庫數據的抽取程序;利用sqlserver2000中的analysisservices設計了數據倉庫的多維數據集,為後面的聯機分析處理和數據挖掘打好了基礎,並利用關聯規則挖掘技術,對經過一定處理之後的數據進行挖掘;最後選擇windows2000作為網路服務器、 sqlserver2000數據倉庫的服務器、利用microsoftvisualinterdev 、結合asp 、 frontpage 、 photoshop等作為系統開發平臺,設計開發基於intranet的農業結構優化決策支持系統,使得決策支持系統在intranet進一步擴展。
  10. The finite element model is built for the axial magnetic field of the cup vacuum interrupter contacts without iron core and with two kinds of iron core. the calculation and analysis of the three - dimension axial magnetic field distribution characteristic on the axial magnetic field of cup the vacuum interrupter with iron core are carried out for the first time

    對無鐵芯及兩種鐵芯結構的杯狀縱磁真空滅弧室觸頭建立了有限元模型,首次對有鐵芯的杯狀縱磁真空滅弧室進行了三維縱向磁場分佈特性的計算與分析。
  11. In connection with the difference and distribution characteristic of the samples in sample space rs based on dga, a new self - adapted weight fuzzy omean clustering model of fault diagnosis of the power transformer based on the potential function is proposed. meanwhile, from the aspect of geometry characteristic of fc - divided in s dimension sample space, a method is proposed for the purpose of getting an effective adjacent radius, adaptive cluster number c and original cluster center of x sample set. for the diagnosis sample x, the property measure and diagnosis rule are proposed, which under the condition of potential density function that determine c number of optimal fuzzy cluster p1

    根據以變壓器dga數據為特徵量的樣本空間各樣本差異特性以及樣本在空間r ~ s的分佈特性,首次提出了基於勢函數自適應加權的變壓器絕緣故障診斷的模糊c -均值聚類模型;同時,從s維樣本空間的f ~ c -劃分幾何特性出發,提出了一種求取樣本集的類勢有效鄰域半徑和自適應求取聚類數和聚類中心初值的方法;對一個待診斷樣本,設計了基於類勢密度函數意義下的屬性測度和診斷準則。
  12. 4. the research of metal fatigue fractal dimension measuring is in the study of material characteristic analyzing

    金屬疲勞斷口分維數測量方法的研究是目前材料性能分析研究中的前沿課題。
  13. A mathematic model of reactor, steam generator, pressurizer is developed based on characteristic of pwr coolant system. for reactor, the point reactor kinetics equation with six - group delayed neutrons is used and influence of coolant ' s and fuel ' s temperature is considered, conduction model of one dimension and single - channel model is used in thermal and hydraulic calculation, third - order hermite polynomial is used to solve the point reactor kinetics equation

    對于反應堆,在物理計算中採用了帶有六組緩發中子的點堆方程,同時考慮了多普勒效應及冷卻劑溫度效應對反應性的影響;在熱工水力計算中採用了一維的熱傳導模型與單通道模型;在求解點堆方程中採用了hermite插值的方法,克服了點堆方程的剛性問題。
  14. In this dissertation, the performance of linearly tapered fin - fed slot antenna ( lwsa ) is discussed in theory, simulation and experiment. the radiation pattern characteristic influenced by changes of antenna ’ s dielectric material, tapered shape and dimension is studied detailedly. though the tapered slot antenna design is very important, a good waveguide - to - finline taper transitions is also needed because they could not thought over separately

    本文主要採用理論分析、數值模擬和實驗等手段對線性漸變槽天線的特性進行了研究,分析了介質材料、天線漸變段以及天線尺寸對天線方向圖的影響,分別設計了天線罩、線性漸變槽天線以及天線的饋電結構。
  15. The scaling law is a power law if, and only if, a characteristic dimension is absent

    2 、證明相似定律是依尺寸相似比的乘冪關系的規律。
  16. This author has found the most suitable characteristic dimension to be the equivalent passage diameter.

    這個作者發現了更恰當的特性作為當量通道直徑。
  17. The determination of a characteristic dimension of the indentation ( length measurement ) ; and

    測量壓痕特有尺寸(長度測量) ;及
  18. 2, in the definition of the " characteristic dimension " stress and the correct factor fi, a fatigue model is presented for the fatigue of notched laminates

    2 、在無孔層合板疲勞累積損傷模型的基礎上,運用「點應力準則」概念,提出帶孔缺口復合材料疲勞累積損傷模型,定義了應力修正因子。
  19. Integrity, multiplicity, dependency, and inheritance, in which the characteristic dimension " integrity " is to describe the integrity status of objects, and then the integral definition of our model is presented

    針對該模型的不足,本文增加了一個新的描述實體完整性狀態的特徵域? ?完整性特徵域,並提出了它的形式化定義。
  20. This article has analyised the bayesian theory and proposed a way of improving its filtering technique against chinese mails. after pre - handling the mails. it will deal with them by phrases and then compress the characteristic dimension of the mail collection by using the reduction method of the best attribute of the dependent rough set

    對樸素貝葉斯理論作為中文郵件過濾技術進行了分析改進,郵件預處理后,對其進行分詞處理,利用基於依賴性的粗糙集最優屬性約簡方法來對郵件集進行特徵維數壓縮。
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