ratio data 中文意思是什麼

ratio data 解釋
比例數據
  • ratio : n. (pl. ratios)1. 比,比率,比值;比例;系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達;求出…的比值;使…成比例。2. 將(相片)按比例放大或縮小。
  • data : n 1 資料,材料〈此詞系 datum 的復數。但 datum 罕用,一般即以 data 作為集合詞,在口語中往往用單數...
  1. And the deficiencies are pointed out in present researches, such as highway capacity, level - of - service, influence factor of road alignments, etc. from these, it has confirmed that the thesis should be studied from rational analysis, quantitative analysis of level - of - service, impact on capacity of road alignments, setting - up simulation model, etc. the high - accuracy gps dynamic data acquisition appearance is proposed to be used for the first time to carry on the experiment of overtaking on two - lane highways, and experiment scheme is designed according to the driver ' s perceive to judge each overtaking course. based on the experiment data, it can get two important parameters of acceptant gap ? the critical gap of overtakable time headway and returnable time headway through data processing, which can offer the strong support to the research of two - lane highway capacity with qualitative and quantitative analysis. besides, the experiment methods is provided to observe overtaking ratio and to measure the

    研究中首次提出了運用高精度gps動態數據採集儀對雙車道公路上的超車行為進行觀測,設計了根據駕駛員感受度來衡量超車過程的實驗方案,並通過後期數據處理得到了超車過程中兩個重要的可接受間隙參數-可超車車頭時距和可回車車頭時距的臨界間隙值,為定性和定量分析雙車道公路通行能力提供有力的數據支持;同時,還提出了觀測超車率的實驗方法以及測量加速度干擾的實驗方案,統一了計算加速度干擾的時間統計間隔,為雙車道公路的服務水平量化研究奠定基礎;最後還簡單介紹了駕駛員問卷調查法和模擬程序中模型參數標定和驗證的數據採集方法。
  2. Initial growths of disturbances are measured by means of hot - wire anemometry. due to the detected signals with low signal to noise ratio, the coherence function is used to eliminate background noise during data reduction

    在擾動增長的初始階段,信號的信噪比非常地低,根據相關譜分析方法,應用相干函數,將擾動信號有效地提取出來,測量了初始擾動的增長。
  3. Since rhic has run at a center - of - mass energy snn = 130 gev, and star collaboration analysed antiproton to proton ratio in mid - rapidity region using the first batch of data

    去年, rhic上的star實驗組利用質心系能量130agev的an an對撞產生的首批數據,對中心快度區的反質子質子比進行了研究。
  4. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。
  5. In data processing, several data file format exported from measuring system has been analysis in detail, and some research has been made in these file - formats, and some try was made also. the decision standard of a thin and long triangle was discussed. besides the minimum angle of a triangle, there also the no - equlangularity and the ratio of radius of inscribed circle and circumcircle of a triangle

    比如利用vc6 . 0開發了程序,可以計算三角片的法矢量、三角片的一些特徵信息,以及狹長三角形的判斷,特別是分析了除最小角之外的兩個判斷標準:外接圓和內切圓半徑之比值r r ,以及三角形的不等邊度e ,及它們與最小角之間的一致關系。
  6. The control system included the following units : video decode unit, data format conversion unit, fpga controller, cache unit and d / a monitor. the above self - design control unit plus row and column power supply units make the whole fed driving system, thus drove the 25 inch sample and realized color video display. the 25 inch vga sample thus fabricated could display video images, and obtained its brightness 400cd / m2, contrast ratio 1000 : 1, 256 circuit gray scale

    本文介紹了fed驅動系統的工作原理,重點論述了基於fpga的vga級彩色fed新型驅動控制系統的研製,這種新型fed驅動控制系統主要包括視頻解碼電路、數據格式轉換電路、 fpga控制電路、數據緩存電路和d / a監控電路,配合后級列灰度調制單元和行掃描單元,組成完整的fed驅動系統,可以驅動25英寸vga級fed顯示屏,實現彩色視頻顯示,樣機亮度達400cd / m2 、對比度為1000 : 1 ,灰度等級為256級。
  7. After the bottleneck in the original ethene production plant is analyzed, the revamp design plan for srt - iii cracking furnace is proposed. the measuring results after revampment show that the thermal efficiency and ethene recovery ratio are increased compared with the design data ; the production capacity of ethene cracking furnace is enhanced, and energy consumption is reducted

    通過分析原乙烯裝置生產存在的「瓶頸」 ,提出了srt -型裂解爐改造的設計方案,並對改造後效果進行測量,熱效率和乙烯收率均比設計值有所提高,乙烯裂解爐的生產能力提高了,能耗降低了。
  8. In the third chapter, the ratio of soil evaporation to crop transpiration under different furrow irrigation ways adopted in summer maize field was analyzed by using the measured data in lysimeters

    與固定隔溝灌相比,交替隔溝灌土溝的干濕交替循環不會使根區部分土壤出現長期極度乾燥的情況,因此對作物根系的生長和吸收比較有利。
  9. Meanwhile, using this apparatus measured soil containing water data from plane and section, and using software arc view insert value analyzed by distance inverse ratio measure, the result is very good

    同時,還用該儀器從平面與截面這兩個方向測量了土壤含水率,並用arcview軟體進浙江大學碩士論文中文摘要行了距離反比法插值分析,取得了較好的結果。
  10. Article 13 when calculating the original areas of lands held by the landownership holders before consolidation of farm lands according to paragraph 3, article 8 of the act, in case of loss of or incomplete data on allocation, the average area ratio of agricultural lands to the lands for waterway partaken by the landownership holders for land reallocation within the administrative scope of the local municipality or county ( city ) shall be used as the standard for calculation unless the original landownership holders can provide certification documents

    第13條依本條例第八條第三項規定計算原土地所有權人在農地重劃前之土地面積時,其農地重劃相關資料滅失或不全者,除原土地所有權人能提供可資證明文件外,以當地直轄市、縣(市)行政轄區內辦理農地重劃土地所有權人分擔農、水路用地面積比例之平均值為基準計算之。
  11. Based on the experimental data from cornfields, this paper compared the daily change of evapotranspiration calculated by bowen ratio energy balance and that calculated by lysimeter

    摘要根據實測資料,對波文比計算的蒸發蒸騰量和蒸滲儀實測的蒸發蒸騰量日變化進行比較及分析。
  12. Using the data of these nhtidzs from 1992 to 2001, paying attention to those index reflecting the industrial level and ability, we establish an evaluating item system, and rank the 53 zones by three different methods in long and middle term, analysis some special phenomenon in this thesis. the three methods are : ahp ( analytic hierarchy process ), topsis ( technique for order preference by similarity to ideal solution ) and rsr ( rank sum ratio )

    本文利用全國53家高新區1992年至2001年間的各項經濟指標,側重選擇反映高新區產業化水平及能力的相關指標和經濟發展指標,利用分層分析法、 topsis法、秩和比法三種不同的方法,分長期、中期兩個時限,對全國高新區進行了排序,並對一些有代表性的現象進行了分析。
  13. With the rapid development of the security stock market especially the stock market in chian , issuing stock and circulating on market became the first choice of financing for more and more enterprise at the same time , more and more investors are attracted by the relately high initial return of stock however , the problem of ipos underpricing always exists in the stock market according to the data of more than one thousand chinese stocks , most new issues had great raise in the first trade day , and investors could acquire higher initial return than the average return of the stock market or the same industry we find that initial returns on a - share ipos average reached 132. 24 percent the main body of this paper is made up of six sections : in the first part , we introduced the method of the estimate of pricing decision ; in the second part , we analyzed the method of the pricing decision and issuing system in china , discussed the advantage and weakness of the various issuing methods , and compared the economic efficiency between the examine and approve system and authorization system ; in the third part , we analyzed the reason of ipo ' s underpricing in detail from information economics and other factors and combined with the environment of the chinese stock markets , we analyzed the special characteristics in china and how they effect the ipo ' s underpricing in the fourth part , we analyzed the data of chinese stock market with spss , made a analysis of the administrative pricing decision and market pricing decision , studied the underpricing phenomena of chinese stock market , and analyzed it ' s causes ; in the fifth part , we made a analysis of the examine approve system and authorization system ; and in the last part , we drew some conclusions and put forth some policy advices the follow are the conclusions and policy advices in this dissertation : ( 1 ) from the results of this empirical study , we found that the issuing price - earning ratio and the market situation before ipos are strongly and positively associated with the underpricing of shares , the issuing scale of ipo and the hit rate are strongly and negatively associated with the underpricing ; ( 2 ) we found that after the abolishing of ipo ' s p / e ratio and the using of authorization system , there is no significant difference among the underpricing of shares , but considered with the market entironment , we think that the ipo ' s underpricing has been correspondingly reduced ( 3 ) to reduce difference between the primary market and the second market , we suggested that we shall bring the " over - allotment option ( oao ) " to bear and resume the state - owned share and corporate - owned share to circulate on market as soon possible

    本文的主體由六個部分組成:第一部分介紹新股發行定價的估值方法;第二部分對我國的發行定價方式和發行制度進行分析,探討不同發行定價方式的優缺點,以及審批制和核準制經濟效率分析;第三部分從信息經濟學角度和其他因素的角度詳細分析造成新股發行抑價的原因,並結合我國股票市場實際情況,分析了我國市場的特有因素是否及如何影響一級市場的發行抑價程度的;第四部分利用統計分析軟體spss對我國新股行政化和市場化定價進行實證分析,主要包括新股發行行政化和市場化定價方式的實施情況和效果分析、新股發行行政化定價方式的實證分析,以及新股發行行政化和市場化定價方式的比較實證分析;第五部分利用統計分析軟體spss對我國新股發行審批制和核準制進行實證分析;第六部分是本論文的主要結論。本文的主要結論和建議有: ( 1 )從實證分析結果看,我國新股發行抑價與市場環境、發行市盈率呈顯著正向關系,與發行規模、申購中簽率等呈顯著反向關系。 ( 2 )取消發行市盈率限制和實施核準制等市場化改革措施並沒有降低發行抑價的絕對水平,只是由於市場環境的因素,發行抑價的相對水平才有所降低。
  14. The key technique include nip signal ' s generation, serial port 422 communication, control system data acquisition and processing, stationary wave ratio of antenna, sending and receiving signal ' s attenuation of antenna and so on

    其關鍵技術包括nip信號產生, rs - 422串口通信,控制系統各模塊數據採集和處理,機載天線駐波比及收發信號衰減測量等。
  15. Lots of useful data on tangency ratio of joints in several normal conditions can also be found in this paper

    通過實驗手段給出了幾種工程實際條件下的結合面的相對接觸比。
  16. ( ii ) this paper makes the annals data of the listed companies in 2004 as sample, and gets earnings per share and the regression equation of the four financial indexes which have noticeable effect on it via stepwise regression method. the four financial indexes which affect earnings per share are the net asset per share, unaccommodated profit per share, quick ratio and return on assets respectively. the equation provides a

    (二) 、以河南省上市公司2004年年報數據作為樣本,應用逐步回歸方法,得到每股收益和對它有顯著影響的四個財務指標的回歸方程,影響每股收益的四個財務指標分別是:每股凈資產、每股未分配利潤、速動比率和總資產報酬率,為這些上市公司提高每股收益提供參考。
  17. Utilization ratio, data - transmission

    數據傳送利用比
  18. A lead isotope ratio data base of ancient chinese bronzes

    夏商周青銅器鉛同位素示蹤研究數據庫的構建
  19. In this paper, a research of spatial distribution of solar radiation and temperature over mountainous area of qinling is presented. the research is based on monthly mean temperature and sunshine ratio data of 36 meteorological observe stations over qinling zone in 1971 - 2000, and xian solar radiation data in 1961 - 2000, and 1km 1km dem data over qinling zone

    本文用秦嶺地區36個氣象觀測站1971 - 2000年30年氣候整編資料的月平均氣溫、日照百分率資料, 1961 - 2000年西安日射資料,以及秦嶺地區1km 1kmdem數據,對秦嶺地區山地輻射和氣溫空間分佈進行研究。
  20. Based on the analysis of damping mechanism, damping ratio data of building materials, buildings and building models, it is concluded that the main factors of damping performance of building are strength of concrete, percentages of longitudinal steel, structure configuration and deformation amplitude

    通過對建築物阻尼機理、建築材料、建築物和建築模型阻尼性能試驗數據的分析,本文對混凝土強度、縱向配筋率、結構形式和結構變形大小等建築阻尼性能的主要影響因素進行了分析。
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