較佳對比度 的英文怎麼說
中文拼音 [jiàojiāduìbǐdù]
較佳對比度
英文
acceptable contrast ratio-
Gathering fuzzy technique and model - identifying technique to processing research, fuzzy model - identifying technique, a intersecting science, has been come out, which has become hoto in this thesis, based on deeply researching the fuzzy unit - identifying and complete analysis on data of measuring well of the chandqing wushenqi district, the method of constructing self - adapting multi - dimension non - liner subjection degree function has been created without precedento based on the extraction of routine measuring well character parameters, and for adopting self - adapting method to carry through character compression, the model has been improved the performance and enhanced the convergence speed and sorted precision of the algorithm o the relation of measuring well information and the oiliness & gassiness of sandstones is fuzzy ? in the thesis, the law of max subjection degree has been studied and improved, and proved preferable effect in the practical application
論文在提取一些常規測井特徵參數的基礎上，採用自適應方法對各變量多項式進行優選，減少了特徵參數間的相關性，突出了類別間的差異性，從而優化了模式的質量，提高了分類的精度。測井信息和砂體的儲集性之間的關系是帶有模糊性的，論文對模糊「最大隸屬原則」進行了研究和改進，並在實際應用中取得了較好的效果。論文成功研製了「自適應」的演算法和軟體? ?即通過對正確回判率的比較，然後對參數進行調節的辦法，可將模式「訓練」到最佳狀態。By the large quantity of indoor and field soil mechanics test, this paper investigated physics and mechanics property of xigeda stratum and xigeda compounding filling, profoundly and systematically studied on shearing strength, cbr ( including indoor cbr and field cbr ) and intensity feature of xigeda compounding filling. the new achievement and cognition as follows : ( 1 ) cbr value is decided by moisture content and mudstone content of xigeda compounding filling. the filling material can satisfy minimum intensity standard of express highway when mudstone content is less than some fixed value, ( 2 ) this paper established field cbr standard value which can synthetically evaluate the filling material nature and field compaction degree. ( 3 ) the optimal compacting mean of xigeda compounding filling is hard oscillation first and weak oscillation later, not traditional way which is weak oscillation first and hard oscillation later. ( 4 ) this paper put forward the conception of optimum moisture content in construction different from optimum moisture content of indoor impaction
本文以昔格達填料強度特徵為研究對象，通過大量的室內及現場試驗，從昔格達地層巖組的物理力學性質、昔格達填料的物理性質入手，對昔格達填料的抗剪強度、室內承載比及現場承載比特徵進行了較系統地研究，獲得了如下認識及進展：昔格達混合填料承載比值受填料含水量及其中泥巖含量的影響，當泥巖含量小於一定值時，昔格達混合填料具有較高的承載比值，能夠滿足高速公路對填料的最低強度要求；建立了綜合評判昔格達填料性能及現場壓實效果的現場承載比（ cbr ）標準；對于昔格達填料而言，最佳的碾壓方式為先強振后弱振而不是傳統的先弱振后強振；提出了與室內擊實最優含水量相區別的施工最佳含水量的概念。Enterprises must compare with the best satisfaction value after receiving the index satisfaction at all levels, find out one ' s own advantage and disparity from it, implement and improve, about improve model question that input and output maximized in fact, enterprises are in a situation that the capital cost is certain, the rational input to each index of distribution, make customer satisfaction get the greatest improvement customer satisfaction test and assessment is a dynamic course, enterprises must also implement a lot of investigations, measure satisfaction value many times, in order to check the impro ved result, cany on essential adjustment, make the improvement scheme correspond to reality
企業在得到各級指標滿意度之後，必須與最佳滿意度值比較，從中找出自己的優勢和差距，實施改進，關于改進模型實際上是投入產出最大化的問題，企業在投資額一定的情況下，合理的分配對各個指標的投入，使得顧客滿意度得到最大的提高。顧客滿意度測評是一個動態的過程，企業還必須實行多次調查，多次測量滿意度值，以檢查改進的效果，進行必要的調整，使得改進方案符合實際。Through orthogonal design experiments on synthesizing p - tert - butylcstechol from hydroquinone and isobutylene by using a new catalyst prepared from cobalt naphthenate and zinc chloride, the optimum technology parameters were obtained : mole ratio was 1 : 1. 15 for hydroquinone and isobutylene, mass ratio was 100 : 20 for hydroquinone and catalyst, and the reaction temperature was 100 5
摘要用環烷酸鈷與氯化鋅復配的新型催化劑，以鄰苯二酚、異丁烯為原料合成對叔丁基鄰苯二酚，通過正交實驗確定的較佳工藝參數為：鄰苯二酚：異丁烯（物質的量比） 1 : 1 . 15 ，鄰苯二酚：催化劑（質量比） 100 : 20 ，烷基化反應溫度100 5 。The methods for solving these problems are put forword as follows : the method of airphoto scale rangs from 1 / 4 to 1 / 6 of map scale ; a flight line uses belt method ; the optional time intervals of airphoto taking are from may to june and from august to october in one year ; when the contrast at the site is small, or the visibility is rather low and needs to enchance the contrast, the hardening agent should be prepared to process the film
並提出了解決問題的方法：山區航空攝影合理的攝影比例尺應是成圖比例尺的1 / 4 ~ 1 / 6 ；對于山區窄而長，且為線狀走勢的河流宜採用帶狀航線設計方法設計；山區流域水分充足能見度不好，惟每年5 - 6月和8 - 10月是航空攝影的最佳季節；當地面物體反差小或能見度不好而需要特別提高反差時應配製較硬性藥水沖洗等。The influence factors and optimal scheme of connected - triangle surveying with shaft is analyzed in detail. the formula for calculating the lateral transfixion errors of underground traverse with added gyro orientation line is derived strictly, the calculation results show that the accuracy can be increased obviously by the way of orienting added gyro lines
詳細分析了聯系測量各因素對方位傳遞的影響，探討並比較了加測陀螺方位角后地下導線的精度提高問題，論證了加測陀螺方位角后直伸等邊導線終點精度的嚴密計算公式及陀螺方位邊布測的最佳位置。Abstract : by using the correlation analysis of cotton climatic output and temperature elements of different temperature types and different length periods of time in akesu cotton region, the results obtained indicate ( 1 ) using daily temperature elements of different length periods of time correlated with cotton climatic output is more useful, more reasonable and more easily in founding out optimum temperature elements with biological significance than using ten - days temperature elements ; ( 2 ) in three temperature elements of mean temperature, maximum temperature and minimum temperature, the effect of maximum temperature on cotton climatic output is the greatest, mean temperature is greater, and minimum temperature is the least ; ( 3 ) the low temperature in later spring and summer have some limiting effects on forming cotton climatic output in akesu cotton region
文摘:通過對阿克蘇棉區棉花氣候產量與不同長度時段、不同類型溫度要素的相關分析，結果表明： （ 1 ）採用不同長度時段的日溫度要素與棉花氣候產量進行相關分析，比採用旬溫度要素的工作更細致，更合理，更易找出對棉花氣候產量影響較大的有生物學意義的較佳時段和溫度要素； （ 2 ）在平均溫度、最高溫度及最低溫度3個溫度要素中，以最高溫度對棉花氣候產量的影響最大，其次是平均溫度，最低溫度最小； （ 3 ）春末及夏季的低溫對阿克蘇棉區的棉花氣候產量形成具有一定的制約作用。Using gradient of digital image as criterion of focusing, different image grabbed on different lens position is compared, and lens motor is droved to the optimal position according to result of comparison
該方法利用圖像的梯度和作為鏡頭聚焦的判據，對圖像質量進行分析比較，根據比較結果驅動鏡頭運動直至最佳聚焦點。According to each ingredients ( water retaining admixture, polymer, inorganic mineral ) " effect to mortar ' s behaviors ( water relentivity, strength, contractility ) in exclusive mortar " s composite addition, the text defines each ingredient ' s quantity scope, then define the mix through cross experiment. we compared the aac exclusive mortar ' s behaviors such as water relentivity, compressive strength, binding strength, shrinkage, flexural strength and others to ordinary mortar ' s ones, it turn out to be that there is much improve in former ' s behaviors such as water relentivity, compressive strength, binding strength, shrinkage, flexural strength etc, it also shows that the aac exclusive mortar can improve the crack in aac brick walling to a certain degree
並根據專用砂漿中復合外加劑的各個組分（保水劑、聚合物、無機礦物等）對砂漿主要性能（保水性、強度、收縮性、抗彎性等）的影響來確定每個組分的摻量范圍，再通過正交實驗確定最佳配合比，然後就普通砂漿與專用砂漿的保水性、抗壓強度和粘結強度、收縮值、抗彎曲性能以及其它性能進行了對比，對比結果表明專用砂漿的保水性、抗壓強度和粘結強度、收縮值、抗彎曲性能以及其它性能較普通砂漿都有了很大的提高，說明加氣混凝土砌塊專用砂漿在一定程度上可以改善加氣混凝土砌塊墻體的開裂情況。Finally, the size of ba - ferrite fine magnetic particles was measured and analyzed from sem image which was treated using a better technology, and the functions of the particle thickness, diameter and their ratio were obtained
對較佳工藝條件下得到的掃描電鏡照片進行測量和分析，得到顆粒的厚度、直徑和厚徑比的函數分佈。Abstract : this paper describes a new preparation technique of calcium iodate. at the presence of hydrochloric acid, iodine is oxidated by sodium chlorate, and then reacts with calium hydroxide. a series of constrasted experiments are made on the conditions and different techniqures. relatively high productivity and purity at low cost. easy controllability and operation are the main features of this kind of technique
文摘:介紹了以單質碘為原料，在鹽酸存在下，經氯酸鈉氧化，再與氫氧化鈣進行中和反應制備碘酸鈣的方法，並做了最佳工藝條件和不同方法的對比實驗.本法具有收率較高、純度較高、生產成本較低及反應條件易控制、設備簡單、操作方便等特點In view of the influence of coating procedure, preferable concentration of the coating solution was selected by evaluating the different coating effect, and it was adopted in the production process of the artificial tracheal samples
考慮到塗層工藝對人工氣管性能的影響，在試樣制備前本課題預先考察了不同濃度塗層劑溶液的塗層效果，並以此為依據選擇了效果較佳的塗層工藝用於人工氣管試樣的制備，保證了試樣的可比性。The results show that when evaluated with the indexes of cross entropy and contrast, it performs better than the wavelet transform based fusion method with the fusion rules of maximum absolute coefficient and maximum directive contrast
模擬實驗表明，較之於基於最大絕對系數和最大方向對比度的小波變換融合方法而言，該方法在交叉熵和對比度意義上性能更佳。Investigation using remote sensing ( rs ) technology can breakthrough the limits of traditional methods, make full use of its capability of integration, visualization, rapidity and vast - dimensions analysis, and get better results the paper takes the up - to - date landsat - 7 etm + data, which is the most widely used, and quickbird data, which has the highest resolution nowadays, and according the features of the data and landslides, processes the quickbird data with 1 : 10 000 dem orthophoto correction and the landsat - 7 etm + data as follows : ( 1 ) selecting optimal spectrum band : selects 753 bands as the optimal bands ; ( 2 ) image intensifying : selects the principle components processing method on the basis of comparing several image intensifying methods ; ( 3 ) rigour geometric direction : corrects the geometric distortion of the map ; ( 4 ) image fusion : mainly takes his space transform fusion and resolution fusion method, and acquires maps with higher spectrum resolution as well as space resolution. after that, the visual effect of the image has been enhanced, and the interpretation precision
採用遙感技術，可以突破傳統調查方法的限制，發揮其宏觀、綜合、直觀、快速的特點，取得更好的效果。論文選取目前應用最廣的陸地衛星最新系列landsat - 7etm +數據和空間解析度最高的商業衛星quickbird數據作為主要的數據源，根據數據的特點及滑坡災害應用特徵，對quickbird遙感數據則基於1 ： 10000dem進行了正射校正，對etm +遙感數據進行了波段優選，選取了753作為最佳組合波段；圖像增強，通過各種增強處理方法的效果對比，選擇主成分分析法對圖像進行增強；幾何精校正，糾正圖像的幾何變形；影像融合，主要選取了效果較好的his空間變換融合和解析度融合，得到的圖像既具有較高的光譜解析度，同時也具有較高的空間解析度。經過上述數字處理，較好地改善了圖像的視覺效果，提高了圖像解譯的精度。Measurement test the speed with untouchable measurement, touchable measurement and all kinds of measurement speed sensor have been analyzed from economy, environment, precision, life - span, etc. compari ng relevant error that the measuring system produces at the same time, to examine combined harvester complete machine request of performance of producing. make relevant error meet the precision request, and can reach the best state
對接觸性測量和非接觸性測量兩類測速方法及各類測量速度傳感器從經濟、環境、精度、壽命等方面進行了分析，同時對測量系統所產生的相關誤差進行比較，針對測產型聯合收割機整機性能的要求，使相關誤差滿足其精度要求，並且能夠達到最佳狀態。Moreover, it analyzes shareholders " behavior in equity ownership structure in contrast. this paper also pays importance to the positive analysis in the relation of equity ownership structure to the corporate governance, stock markets and the business performance. secondly, some normative analysis methods, such as game theory, information theory, programming theory and welfare theory are used in this paper to define the optimal aims from a brand - new perspective and construct creatively the optimal models and also the optimum pattern in the equity ownership structure of marketed corporations
本文首先對中西方股權結構進行了橫向的比較分析，對上市公司股權結構中不同屬性股東的行為進行了對比分析，著重對股權結構與公司治理、股票市場及公司業績的關系進行了實證性的研究；然後，本文利用了規范分析的方法（綜合利用了博弈論、信息論、規劃論以及福利論等） ，以全新的角度界定了上市公司股權結構的優化目標，較有創意地構建出股權結構的優化模型以及優化的最佳模式。The oxygen sensing properties of the membranes have been studied, the results indicate that the membranes with ru ( phen ) 3cl2 have better oxygen - sensitivity than those with ru ( bpy ) 3cl2, and the membranes with the formamide content of 16 % ( v / v ) and ru ( phen ) 3cl2 content of 2. 10g / l in the precursor mixture have the best structure and quality. the fiber optic gas oxygen sensor with this sensing membrane has a detection limit of 5ppm, a response time of less than 30s, excellent reproducibility and stability. ( 2 ) a new kind of organically modified oxygen - sensitive membrane based on fluorescence quenching was prepared by sol - gel method, using dds and teos as the mixed precursor, rufchenbcla as the indicator
實驗證明：該類敏感膜的tan _ 0 tan值與氧氣濃度存在良好的線性關系；包埋ru （ phen ） _ 3cl _ 2的凝膠膜的氧敏感性相對較好；當甲酰胺為16體積比含量， ru （ phen ） _ 3cl _ 2在前驅體中濃度為2 . 10g l時，制備的敏感膜結構和性能最佳；對氣態氧檢測時，該敏感膜的響應時間小於30秒，檢測下限為5ppm ，具有較好的重復性和穩定性。These include : relatively high delinquency rates ; inadequate disclosure of financial and other information ; low transparency of operations and poor accounting standards ; lack of discipline in the use of credit facilities ; and the low level of cost - effectiveness of such lending
銀行表示它們的取態主要是基於中小企業貸款市場存在多項不利特點，包括拖欠比率相對較高財政和其他資料不足運作欠缺透明度會計標準欠佳對信貸融資的運用欠缺有效監督，以及該等貸款的成本效益較低。In this paper, the best reinforcement scheme, which was found by nerve network and genetic algorithm from serval reinforcement schemes, was applied to strengthen a prestressed concrete continuous rigid fame bridge with many quanlity faults, such as excess fall deflection of the main span deck > serious web slop crack existing between main pier abutment and one fourth span, and very poor mud jacking quanlity in the prestressing tendon tubs
本文針對某預應力混凝土連續剛構橋所存在的實際問題：如主橋橋面下撓度過大；主墩和四分之一跨徑處均存在較嚴重的腹板斜裂縫；預應力管道壓漿質量較差等。提出了幾種加固方案，並用神經網路和遺傳演算法進一步優化出了較佳的加固方案，進行了加固前後效果對比分析。In this dissertation, the engineering properties of the nano - al2o3 and nano - tio2 reinforced cement - stabilized soil are respectively studied through the laboratory experiments. based on testing data, the unconfined compressive strength ( ucs ) of nanometerial - al2o3 reinforced cement - stabilized soil ( narcss ) is firstly analyzed in different nanomaterial mixing ratio, cement mixing ratio, curing - period, water content, w / c ratio, etc., and then the stress - strain relationship of narcss is given. the variation of the ucs of nanometerial - tio2 reinforced cement - stabilized soil ( ntrcss ) is also given in different nanometerial mixing ratio and curing period
根據試驗結果，首先分析了納米材料al _ 2o _ 3摻入比、齡期、土樣含水量、水灰比等對摻納米材料al _ 2o _ 3水泥土強度的影響，並給出其應力應變關系（本構關系）和一定條件下的最佳配比；其次，分析了納米材料tio _ 2摻入比、齡期等對摻納米材料tio _ 2水泥土強度的影響；最後，通過比較前人的研究成果，對分別摻入納米材料al _ 2o _ 3 、納米材料tio _ 2及納米材料sio _ （ 2 - x ）的水泥土強度進行了對比分析。分享友人