fluctuation data 中文意思是什麼

fluctuation data 解釋
起伏數據
  • fluctuation : n. 1. 波動，起伏，漲落；【物理學】脈動。2. 動搖不定，躊躇。3. 【生物學】彷徨變異。
  • 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. Seasonal dynamic model is introduced to analyze and evaluate tianjin raw water quality of luanhe river during 10 years for the first time, and so does for huanghe river during 4 years. based on these historical data, some long - term trend function of water quality items is got, by which seasonal fluctuation rate ( s c ) and seasonal dynamic trend of water quality items are computed. for the first time, clustering analysis is introduced to divide tianjin raw water into different levels

    首次採用季節變動模型對天津市灤河水源10年的水質情況和黃河水源4年的水質情況進行了分析評價，得出各個水質指標的長期趨勢項回歸方程，根據趨勢模型和各水質指標的歷史數據求出季節比sc ，在各個指標的季節平均值和對應的季節比（ sc ）的基礎上，得到了各個水質指標的季節變化趨勢值。
  2. This paper gives a review on the five analysis approaches of fluctuation pressure on the hydraulic structures and hydromachines : the method of probability and random process, the method of time - space correlation, the method of fitting data, the method of distribution hypotheses on the data of test survey stations, and the hydromechanics method

    摘要綜述了水工建築物及水利機械上脈動壓力的五種分析方法：概率和隨機過程法；時空相關法；數據擬合法；根據實驗測點數據分佈假設法；流體力學方法。
  3. According to the test data and the technological and economic comparison between a process of mbr and a conventional process for reclaimed water treatment, it is concluded that the investment and operating cost of mbr is the same as the conventional process basically. the advantages of mbr are on the land occupation, maintaining, effluent quality and automatic control. the process is specially suited to hotel, restaurant and public buildings because they usually have less useable land, bigger fluctuation of sewage rate, understaffed group of management and higher quality demand of effluent

    根據取得的試驗數據，通過對膜生物反應器設計實例與傳統工藝設計相比較，在進行技術經濟分析后認為，膜生物反應器處理工藝在投資與運行成本上與傳統工藝基本持平，而在佔地、維護管理、處理水質、自動化程度等方面比傳統工藝有較大優勢，特別適合中水設施場地不足、原水波動大、管理人員少、出水水質要求高的賓館、飯店和公共建築。
  4. In the fourth chapter, we find that stock market indexes are positively correlated with economic indexes and the economic variables are the granger courses of stock price fluctuation. in this chapter, levine ' s theory about stock market function for facilitating economic growth is tested using the data of china

    通過實證檢驗，一方面證實了股市行情對宏觀經濟和貨幣供應量等指標具有明確的反映;另一方面從因果關系方面說明宏觀經濟和貨幣政策是股市行情變化的原因，而股市對宏觀經濟有影響，但作用尚不明顯。
  5. The fundamental theory and equations for the pressure fluctuation are described and the wall pressure fluctuation is measured. based on the experiment data, the characteristics of pressure fluctuations are analyzed in the three - phase flow of water, air and sand. the effects of air concentration and sediment content on the amplitude and frequency of pressure fluctuations are discussed

    建立了多相流壓強脈動基本方程，闡述了水流脈動壓強基本理論，分析了壓強脈動機理；根據試驗數據，探討了水、氣、沙三相流體的壓強脈動特性，初步得到了高速含沙摻氣水流脈動壓強的幅值特性與頻域特性；提出了脈動壓強強度系數、脈動壓強極差系數與含沙量、摻氣濃度的關系。
  6. It is necessary to obtain performance data correctly and effectively for well designing, managing and applying network. performance measurement technology is the only effective way to obtain performance data correctly and effectively. it obtained network ' s correct performance characteristics by measuring the available bandwidth, delay and lost of packets, and monitoring the congest and traffic fluctuation etc. it is the base of designing, managing and applying network and very important for them

    要設計、管理和利用好網路，必須要求有效地獲取性能特徵方面的準確數據，網路性能測試技術是準確而有效地獲取性能特徵的唯一手段，它通過對網路實際和有效帶寬、數據包的延遲和丟失等的測試以及對網路擁塞、數據的突發性等運行狀況的監測，獲得網路性能特徵的準確數據，從而對網路的設計、管理和應用起著非常重要的作用。
  7. Finally, compared with the 2d result, the synthetic jet that 3d numerical simulated has a definite direction. the 3d result, however, has a much smaller fluctuation owing to the span - wise instability which created a breakup of coherent vertical structure into smaller scales, it therefore compares more favorably with the measured data in tests

    三、三維模擬結果顯示合成射流的方向性極佳，與二維模擬相比較，三維數值模擬的速度波動較二維模擬要小，旋渦的相干結構衰弱，這是因為三維模擬考慮了流動的橫向不穩定性，這更加接近實際情況。
  8. China is one of the countries which are harmed by storm surge both tropical and temperate cyclones, the disaster of storm surge can occure every seasons and from south to north in china ' s coastal area. based on the analysis of the features of temporal and spatial changes of storm surge disaster in the recent 50 years, this paper focuses on the frequency changes of historical records in recent 500 years and measured data in recent 50 years of storm surge disaster and the relationships between storm frequency change and climate fluctuation. meanwhlie, the effects of future increase in the frequency of tropical cyclones landing or affecting china and relative sea level rise with global warming on storm surge disaster of china ' s coastal area also discussed. the results show that, in recent 500 years, there are direct relationships between storm frequency change and climate fluctuation, i. e., high global mean temperature correspond with high storm frequency and low mean temperature correspond with low storm frequency. storm surge disaster in china ' s coastal area will be exacerbated with global warming

    中國是全球少數幾個同時受臺風風暴潮和溫帶風暴潮危害的國家之一，風暴潮災一年四季，從南到北均可發生.本文基於中國沿海近50年風暴潮災時間變化和空間分佈特點的分析，著重探討了近500年全國及長江、黃河、珠江三角洲的歷史記錄和近50年實測風暴潮災發生頻次的變化及其與氣候波動的關系，並對未來全球變化背景下，中國沿海風暴潮災的變化趨向進行了討論.結果表明:近500年來，中國沿海的風暴潮災在氣溫較高的偏暖時段比氣溫較低的偏冷時段明顯增多.近50年實測臺風暴潮災的變化也是如此，而溫帶風暴湖的變化則與此相反.未來全球變化引起的登陸影響中國的熱帶氣旋頻次增加和相對海平面的上升，均將導致風暴潮災呈加重的趨向
  9. In this paper, the two - phase flow behaviors of gas - solid circulating fluidized bed have been first studied by analysing experimental data. then, based on fractal theory wavelet package analysis ( wpa ) de - noising method was used to denoise solids concentration and pressure fluctuation signals. the solids concentration signals have also been investigated by wavelet multi - resolution analysis and wavelet package decompose, contributed to disclose the non - uniform flow structures of gas - solids phase

    然後將基於分形理論的小波包消噪方法用於顆粒濃度和壓力波動去噪，並對氣固流化床中的顆粒濃度信號進行了小波多分辨分析和小波包多尺度分解，從新角度揭示了氣固流態化系統的非均勻氣固兩相流動結構。
  10. Based on a large amount of experimental data, nonlinear analysis, such as complexity theory, and approximate entropy ( apen ) which is adopted systematically in the fluidization research the first time, are implemented in the time series analysis of pressure fluctuation and particle concentration in gas - solid fluidized beds, and the nonlinear characteristics of fluidized beds are discussed comprehensively

    本文在大量實驗數據基礎上，將非線性方法，包括復雜性理論，以及首次被系統引入流態化研究的近似熵，應用到氣固流化床壓力及顆粒濃度脈動時間序列分析中，較為系統地探討了流化床的非線性特徵。
  11. By reason that on - line monitoring data of electrical equipment are affected by many factors such as reference voltage of pt, outside environment, running mode, voltage fluctuation and random factors, they will be dispersive and fluctuant. what is more, distortion is possible for data while they are transmitted

    由於在線數據是在設備運行的條件下獲得，會受到各種因素如pt處獲得的基準電壓、外界環境、系統運行方式、電壓波動以及一些隨機因素的影響，得到的數據會有一定的分散性和波動，即使在數據的傳輸過程中，數據也可能會失真。
  12. The statistical fluctuation of counts in each channel can be reduced several times after disposed by wavelet de - noising, but the correlation of data between channels should be noticed

    小波消噪后的譜每道上的計數統計漲落可降低至原來的幾分之一，但道計數數據間具有很強的相關性。
  13. Based on successive regression study of observation data, the authors ascertained the factors having influence on the fluctuation in the bai spring discharge, established the regression equation and the prediction model, and calculated the exploitable karst water resources under natural conditions

    摘要本文通過對輝縣自泉泉水流量動態的分析，確定了泉水流量動態的影響因素，建立了泉水流量的衰減方程和泉水流量的預測模型，預測了天然狀態泉水流量，評價了泉域巖溶水的開采資源。
  14. Aiming at the controlling to production of beer with general meters in many beer factories of our country, there ' re many disadvantages in such production process. it ca n ' t ensure the veracity of beer ' s producing craft, results into fluctuation of beer ' s quality, difficult to enlarge reproduction scale, and so on. accordingly, we bring forward technique of computer monitoring and controlling, it adopts ipc - plc distributed control system, associates with concentrated control and data management, meets the demand of modern production, furthermore, improves enterprise ' s technical level, management and competition capacity in market

    針對我國大部分啤酒生產廠家仍然採用常規儀表進行控制，難以保證生產工藝的正確執行，使啤酒質量不穩定，波動性大且不利於擴大再生產規模的缺點，對啤酒生產的發酵工序提出計算機監控技術，採用ipc ? plcdcs系統，使啤酒生產集控制與數據管理於一身，能夠適應當前現代化生產的需求，使企業的技術進步，生產管理以及市場競爭能力達到一個全新的水平。
  15. Meanwile, software methods - software traps, software watchdogs, digital filter intensify the anti - interference. v / f switch smooths change of signals, which avoids data fluctuation and benefits anti - interference, the visual basic is selected as developed platform

    此外，文中對智能儀表與pc機的通信作了詳細的設計，其中包括主機與d碩士學住論文waiaster 』 stiiesis各節點的通信規約，詳細的軟體設計框圖。
  16. Through adopting a new method and analyzing massive sensitive analysis data, this thesis induces the “ uniformity ” rule in the uncertainty analysis under the same fluctuation scope condition, then through the deductive, cites a new variable named fluctuation index of eirr to represent the project ’ s ability of resisting risk

    本文另闢蹊徑，通過對大量敏感性分析數據的分析，歸納出在同等浮動幅度的條件下，不確定性分析中存在著「一致性」的規律;然後再通過演繹的方法，引入一個嶄新的變量? ?經濟內部收益率擾動參數來代表項目抵抗風險能力大小。
  17. Second, through analyzing the real estate data ( from the year1997 - 2000 ) in chongqing dynamically, it has been discovered that the prosperous overall level of real estate is raised notably after chongqing directly under the jurisdiction, constructing and completing ability obviously strengthen, and the fluctuation of investment gradually. making use of urban residents ’ income data, and combining this characteristic, it has been analyzed urban residents ’ purchasing power of commodity apartment of family drops to some extent after chongqing directly under the jurisdiction, and it is apt to present the question that mortgage cuts off that residents buy house on loan

    第二，通過對1997 2005年重慶市房地產數據動態化分析，發現重慶直轄以後房地產業景氣總體水平顯著提高，施工和竣工能力明顯增強，投資波動逐漸趨于平穩的特點;利用城市居民收入和房價數據，分析出重慶直轄以後城市居民家庭的商品房購買力有所下降，居民貸款購房容易出現按揭中斷的問題。
  18. The relationship between periodical fluctuation of the core diameter and srl was analyzed. the method predicting srl using core diameter data fft transform was found. the formula by shadow ' s length and shadow ' s position of two vertical directions to calculate core diameter was found

    本文又推導了利用無透鏡測徑系統相互垂直兩方向的影長和影位置信息來計算線芯直徑的公式；並通過計算機模擬程序分析了該公式的誤差，得到將公式誤差降低到10 ~ （ - 2 ）微米以下的修正方法。
  19. Through systematic incorporation of various psychological and physiological equipments, this paper finds out : 1 ) available experiment equipments and their adaptive range, which represents the groundwork for asserting distinct analytical method for roadway design ; 2 ) the classification of data though fuzzy clustering based on speed consistency ; 3 ) the correlation between drivers ’ psychology activities and their heart rates ( in this case, through qualitative analysis, the research verifies heart rates as an typical indication of the driving behavior ) ; 4 ) the correlation between roadway alignment and fluctuation of heart rates ; and the issuing of preliminary threshold value of level of intension of driver ( through quantitative spectrum

    本文在大量行車實驗數據的基礎上，分析得到: 1 ）在半徑大於某一定值的路段上行駛時，駕駛員的心率變化率與坡度、坡長和運行速度均有關系，其中速度對心率變化率的影響最大。 2 ）坡度相同的條件下，速度越大，駕駛員心率變化率越大;速度相等時，坡度越大，駕駛員心率變化率越大; 3 ）上坡時駕駛員的心率變化率與坡長關系不大，主要受坡度和速度的影響;下坡時，坡長、坡度
  20. It is a combination of tikhonov regularization and algebraic reconstruction technique ( art ). it is found that the algorithm is stable and the influence of data fluctuation on image reconstruction is eliminated. furthermore, the qualities of the images reconstructed by using the proposed algorithm are improved

    建立了新的ert圖像重建演算法的數學模型，提出了一種將tikhonov正則化方法和代數重建演算法（ art相結合的組合型圖像重建演算法，研究表明該演算法是一種較為穩定的演算法，具有克服測量數據波動對圖像重建的影響的能力，同時模擬研究表明該演算法在一定程度上提高了圖像重建的質量。
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