指示分數 的英文怎麼說
中文拼音 [zhǐshìfēnshǔ]
指示分數
英文
directional point- 指 : 指構詞成分。
- 示 : Ⅰ動詞(擺出或指出使人知道; 表明) show; indicate; signify; instruct; notify Ⅱ名詞1 [書面語] (給...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 數 : 數副詞(屢次) frequently; repeatedly
- 指示 : 1 (指給人看) indicate; point out2 (指示下級) instruct 3 (指示的話或文字) directive; instruc...
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Abstract : in the research of internal combustion engine, recordingin - cylinder pressure and temperature is an essential technique to study the thermal cycle of internal combustion engine. the combustion analyzer developed in this study will give both the measurements at sampling points per crank angle or sampling cycle, calculate and show the real time parameters which decide the working process of internal combustion engine, such as pressure accelerating rate, indicateed mean effective pressure, cycle - to - cycle variation, heat release rate, etc. compared with the imported congeneric products, the analyzer has many advantages such as chinese interface, low price, easy operateing, convenience in maintainance and easy upgrading
文摘:為了測錄內燃機缸內的壓力及溫度,開發了一種內燃機燃燒分析儀.該分析儀由國產高速數據採集卡及自行開發的控制軟體組成.它不僅能精確設置每度曲軸轉角內采樣點的個數和採集循環數,而且在採集過程中能實時計算和表徵內燃機工作過程的壓力升高率、平均指示壓力、循環變動率、放熱率等參數.經實際使用以及與國外產品相比表明,此分析儀具有全中文界面、價格低、操作簡單、使用維護方便、功能便於擴充等優點This paper analyzes the factors affecting the controlling precision of sand compactibility system and sets up the dynamic model of regression coefficient between sand compactibility and water content. to prevent the insufficiency or excess of sand water content, the amount of the first addition is set as 80 % of the total water addition amount. after the first water addition, we adopt ar model to predict the stable value of sand compactibility to shorten the time mixing the sand. each time we add water, the correction coefficient is introduced to adapt to the change in the composition of sand. the experiment shows that the mathematics model not only makes the water content in sand reach the best range within shorter time, but also directs how the sand composition should be adjusted, which can better conform to the actual situation
分析了影響型砂緊實率控制精度的因素,建立了型砂緊實率-水分回歸系數的動態模型.為防止型砂水分不足或過量,將第一次加水量設定為總加水量的80 .第一次加水后,對型砂緊實率穩定值採用ar模型進行預測,以縮短型砂混制時間.每次加水后,引入修正系數,以適應型砂組成的變化.實驗表明,該數學模型不僅使型砂水分含量在較短時間內達到最佳范圍,同時可指示對型砂組成進行調整,能較好地符合實際情況The rejections of all my submissions by the journals controlled by the swedish academy of sciences are perhaps more unreassuring, because based on excessively transparent manipulations of scientific truths for excessively transparent political gains, as well as denoting the replacement by the swedish academy of sciences of the scientifically oppressive role played by italy during galilei ' s times, a sinister role which delayed the advancement of basic human knowledge for hundred of years
瑞典科學院控制的刊物拒絕我提交的所有論文可能更為令人煩腦,因為過分明顯政治利益為目的而對科學事實過分明顯的操縱,以及指示用伽利略時代瑞典科學院對科學的壓製作用代替義大利的作用,該種險惡的作用導致對于基礎人類知識延遲了數百年。Aiming at the self - estimation of threat to the sam system, and basing on the analysis of support distance of the target acquisition radar and operation efficiency of the system in three intercept sections, a distance - threat index and a type - threat index of the target are proposed, and a threat - estimation decision - making model is established, and a standard of fire - striking order in each section is put forward
摘要針對地空導彈系統的威脅自動判斷問題,基於對目標指示雷達保障距離以及三種攔截區間中系統作戰效能的分析,提出了目標距離威脅指數和目標類型威脅指數的概念,進而建立了一種連續型的威脅判斷決策模型,並給出了每個區間火力打擊的排序標準。Direct acting indicating analogue electrical measuring instruments and their accessories part 5 : special requirements for phase meters, power factor meters and synchroscopes
直接動作指示模擬電氣測量儀器及其附件.第5部分:相位表功率因數表和同步示波器的特殊要求Direct acting indicating analogue electrical measuring instruments and their accessories. part 5 : special requirements for phase meters, power factor meters and synchroscopes
直接作用模擬指示電測量儀表及其附件第5部分:相位表功率因數表和同步指示器的特殊要求Direct acting indicating analogue electrical measuring instruments and their accessories - specification for special requirements for phase meters, power factor meters and synchroscopes
直接指示模擬電工測量儀表及其輔助設備.第5部分:相位表功率因數表和同步指示器的特殊要求規范The mendable canny operator based on the linear interpolation is used to pick up the edge of the pointer, the pointers ’ instructive direction is gotten via the circumference chord length detection method proposed by the article, then according to the central angle of pointer relative to the benchmark and conjunctive relation, the right reading is received the database information management system realizes the consumers ’ water fee management
利用基於線性插值的canny運算元提取邊緣,通過本課題提出的圓周弦長灰度檢測法得到指針的指示方向,進而依據指針相對于基準的圓心角和關聯關系正確讀數。數據庫信息管理系統實現對用戶用水信息的管理,主要功能分三大模塊:一In the proposed method, the controller takes the buffer length as congestion indication, takes sources quality and bandwidth utility as object function so as to learn on line. as the controller outputs, the coding rate for input traffic sources and the corresponding user percentage are used to adjust the cells " arrival rate to the multiplexer buffer. compared with the previous method where cells " arrival rate is tuned only by the encoding rate and the encoding rates for all input traffic sources are regulated in a body, the proposed method guarantee that the quality of cells are optimal while cell loss rate is minimized, which means quality of service is guaranteed
在該方法中,擁塞控制器以緩沖區大小信元作為擁塞指示,以信源質量和帶寬利用率作為目標函數進行在線學習,控制器輸出包括信源編碼率及其對應的用戶數在全部用戶中所佔的百分比,即根據信源編碼率及對應的用戶百分數調整信源輸入流,從而克服了以往擁塞控制方法中僅僅調整編碼率帶來的對所有信源進行整體調整的缺陷,使控制系統在信元損失率最小情況下確保信源輸入流質量最高,從而有效地利用了網路帶寬。The computer acquires the image of dial gauge by high precision ccd video, after that the computer will process the dial gauge image by some image - processing algorithms such as image segmentations, edge searching, area segmentations and locating the pointer by the " circle ". at last the computer will recognise the dial pointer position and work out the precision of dial gauge in accordance with nation criterion of dial gauge. this study presents several optimum algorithms to realize quick recognition of the pointer and calibration lines of detected dial and improve the accuracy and real time quality of detecting
本系統由計算機控制步進電動機的運動,進而驅動指示表表針的運動,通過高精度ccd攝像機實時獲取表盤圖像數據,同時進行表盤圖像的相關處理,包括閾值分割、邊緣檢測、圖像銳化以及區域分割和定心圓檢測等,最終快速識別出表盤指針所處位置,最後根據國家指示表類檢定規程所制定的演算法檢定出指示表的各種精度,本系統所採用的圖像處理演算法運算量少,速度快,從而大大提高了系統的實時性。First, in virtual of identification of flaws is a typical of in - verse problems, proceeding from time - harmonic electromagnetic maxwell ' s equa - tion and helmholtz equation, the uniqueness and existence of direct scattering problems including the numerical algorithms of diverse of boundary conditions is given. second, the uniqueness and existence of inverse scattering problems and the theory of ill - posed integral equation are briefly looked back upon. finally, indicator function method for boundary identification is set up under all kinds of boundary conditions for inverse scattering of homogenous and inhomogenous objects, meanwhile, the proof of possibility for near - field measurements and nu - merical simulation are given
由於缺陷的識別是一類典型的反問題,因而首先從時諧電磁maxwell方程和helmholz方程出發,具體地闡述了求解正散射問題的有關方法,包括各種(夾雜)邊界條件下的數值解法,就解的存在性唯一性給予了肯定的回答;隨后對逆散射問題的理論作了簡短的回顧,包括解的唯一性以及非線性不適定積分方程的處理等;然後對均勻介質和非均勻介質的逆散射問題建立了在各種邊界條件下的邊界識別的指示函數方法,鑒于近場數據獲得的重要性,對近場測試時邊界識別的方法給予了相應的證明,並且實現了數值模擬。We can get many physical parameters through indicator diagram acquired in the experiment. such as indicator work, mean indicated pressure, maximal pressure and corresponding crank angle, maximal rate of pressure rise and corresponding crank angle and mass fraction burned, heat release rate, etc. these physical parameters can analyze and show primary in - cylinder combustion process in engine
通過實測的示功圖,經過計算整理可以獲得諸如指示功、平均指示壓力、最高燃燒壓力及其對應曲軸轉角、最高壓力升高率及其對應曲軸轉角、已燃質量分數、燃燒放熱率等物理量,可供進一步分析和揭示發動機缸內燃燒過程。Using the lead as the displaying element, how the variation of the material " s density affects the counts of the lead area is studied. a method measuring the material " s density and adjusting the water content is introduced
以鉛為指示元素,探討了物質密度的改變對鉛區計數的影響,提出了一種測量物質密度和對水分含量進行校正的方法。Verification of geometrical parameters - dial indicator for linear measurement - part 3 : with mechanical indication and electrical limit contacts
幾何參數驗證.線性測量用刻度指示儀.第3部分:帶機械Abstract : 145 samples of eight plants were collected from lanmuchang and yangjiawan and quantitative analyses were made of the ore - forming elements in the plant ashes. considering the three principles of the plant indicator for mineral exploration, namely certainty, sensitivity and feasibility, this paper evaluates comprehensively the indicating functions of the eight plants, on the basis of some quantitative indexes such as the relation coefficient between plant ash and ore - forming element, concentration coefficient, etc. it also discusses the relationships between the anomaly of plant ashes and the fault zone, alteration zone mineralization zone and orebody, showing the significance of these plants to the prospecting
文摘:在濫木廠和楊家灣鉈(汞)礦床(點)對芒箕、南燭、榔榆、大金發蘚、蜈蚣草、石松、黃花草、醉魚草等8種植物取樣145件,在提出確定找礦有效指示植物三原則(確定性,敏感性,可行性)的基礎上,依據植物灰分與底質成礦元素相關系數、植物灰分富集系數和襯度系數,較全面地分析和評價了8種植物的找礦功能;討論了其異常的分佈與斷裂帶、蝕變帶、礦化帶以及工業礦化(礦體)之間的關系,並指出了其找礦意義。Measurements of the electrical properties of electronic tubes. part 22 : methods of measurement for cold cathode counting and indicator tubes
電子管電性能的測量.第22部分:冷陰極計數管和指示管的測量方法From mathematical models for inverse scattering in two dimensional inho - mogenous media including variable impedance, all kinds of probable mixed variable impedance boundaries and cracks, from interior and exterior trans - mission problems and radiation condition, ill - posed integral equation and indicator function method are formulated for the diverse of boundary iden - tification. it is shown that the kernel of the integral equation characters the boundary of scatterer, which is determined by solving it by virtual of regularity method, meanwhile, some numerical tests are given. 3
在二維非均勻介質逆散射邊界識別的數學模型(包括一般的非均勻介質,正交各向異性介質,變阻抗介質,各種可能的混合變阻抗邊界問題)下,由內透射問題和外透射問題以及輻射條件,推導了上述介質的邊界識別的積分方程和指示函數方法,由於積分方程的核充分表徵了散射物的邊界,由此說明只要利用正則化方法求解該積分方程,就可以確定散射物的邊界。Conditions of normal mode realization are deduced and optimized model with the multivariate mode indicator function as the target function is built. through solving the maximal eigenvalue problem, the original shaker force vector of appropriation is reached. then the realization approach of the optimal shaker force vector based on single shape principle is proposed and at the same time the automatization of normal mode appropriation is realized
對于模態物理分離技術的多點正弦激振純模態試驗技術,尋求其最佳激振力矢量是最為關鍵的環節,本文先推導出純模態實現的條件,建立以多變量模態指示函數為目標函數的優化模型,通過求解最大特徵值問題,得出適調純模態的初始激振力矢量,再提出以單純形原理為基礎的最佳激振力矢量的實現方法,同時也實現了純模態適調過程的自動化。From mathematical models for inverse scattering in two dimensional homoge - nous media including dirichlet, neumann, robin, all kinds of probable mixed boundaries and cracks, direct and inverse scattering are discussed, and ill - posed integral equation and indicator function method are formulated for the diverse of boundary identification. it is shown that the kernel of the integral equation characters the boundary of scatterer, which is determined by solv - ing it by virtual of regularity method, meanwhile, some numerical tests are given. 2
在二維均勻介質逆散射各種邊界識別的數學模型(包括dirichlet , neumann , robin ,各種可能的混合邊界問題,裂紋問題)下,分別考慮了正散射問題和逆散射問題,推導了上述各種邊界識別的不適定積分方程以及指示函數方法,由於積分方程的核充分表徵了散射物的邊界,由此說明只要利用正則化方法求解該積分方程,就可以確定散射物的邊界,並給出了一些數值實驗。This paper, after discussing the basic theory and the application of digital image processing and analyzing the concrete characteristics of the water meter, puts forward the crux algorithm that identifies automatically the position and direction of the pointers of water meter with techniques of the image preprocessing, image segmentation and image analysis and recognition
本文結合水表的具體特點,分析了將圖像處理技術應用於自動識別水表指示讀數的原理。找到了一種滿足一定速度和精度的水表讀數識別方法。該方法主要包括水表圖像預處理、水表圖像分割、指針讀數的識別。分享友人