size-frequency analysis 中文意思是什麼

size-frequency analysis 解釋
粒徑頻率分析
  • size : n 1 大小，尺寸規模身材。2 （鞋帽等的）尺碼，號；（紙張的）開。3 巨大，大量；相當大的分量。4 〈口...
  • frequency : n. 1. 屢次，頻仍，頻繁。2. （脈搏等的）次數，出現率；頻度；【物理學】頻率，周率。
  • analysis : n. （pl. -ses ）1. 分解，分析；【數學】解析。2. 梗概，要略。3. 〈美國〉用精神分析法治療（＝ psychoanalysis）。
  1. We rounded analysis that ring stator ’ size parameter how to affect ring stator ’ characteristic frequency by use the software for numeric analysis, and afford theoretical foundation for the optimum design of ultrasonic motor ’ structural parameter

    本文還利用分析軟體，全面地分析了定子圓環各個尺寸參數對特徵頻率的影響，為超聲波電機結構參數的優化設計提供了理論依據。
  2. An empirical analysis is made with the population data of the us cities to verify the theory and models developed in this paper, which will contribute to reconcile the apparent difference between the hierarchical step - like frequency distribution of city sizes suggested by central place theory and the smooth curve reflected by the work on the rank - size rule

    多重zipf維數模型不僅可以有效地統一中心地的等級階梯與位序-規模法則反映的連續分佈，而且可以揭示城市體系演化的更多信息和隱含法則。以美國城市體系1998年的數據為實證對象，給出了城市規模分佈的多分維
  3. This paper conbined with the indoor test and the scene test road, through the synthetical analysis of the factors of influencing densification effect for the densification thickness of filling stone roadbed. the maximum grain size of fill material, densification machinery and densification frequency et al. advanced a control norm of the maximum grain size and piy of compression, established ration evaluating the control standard of densification quality of filling stone roadbed under overload. comparing with result of indoor test and the scene test road, studied on theory of densification in different kinds of stone material and perfected the control system of the densification of filling stone roadbed under overload

    結合室內試驗和現場試驗路的實測數據，通過對填石路基的壓實厚度，填料最大粒徑，壓實機械及壓實遍數等影響壓實效果的因素的綜合分析，提出填石路基的最大粒徑和攤鋪厚度的控制指標，建立定量評定超重載交通下填石路基壓實質量的控制標準，並對照室內試驗和現場試驗結果，研究不同石料條件下的壓實理論，補充完善了填石路基壓實控制指標體系。
  4. Firstly, we find that both the quoted bid - ask spreads and depths decline dramatically in all twenty - five closed - end funds following the reduction in minimum tick size. we also find trade frequency increase. secondly, our analysis shows the reduction in minimum tick size cause an decrease in the variance of rice. finaly, we find that the minimum tick size influence the market efficency and the reduction in minimum tick size increase the market information efficency

    研究結果表明：一，最小報價單位「分改厘」使上海證券交易所交易的25支封閉基金的買賣價差和報價深度明顯減小，而交易頻數增加：二，最小報價單位的減小降低了封閉式基金的價格波動性；三，最小報價單位的大小會影響市場效率， 「分改厘」提高了封閉式基金市場的信息效率。
  5. It has been playing an important role in equipping all kinds of arms and services for campaigns, tactical exercises and emergent actions etc. based on the detailed analysis of the exchange ' s architecture and implementing, this thesis points out some disadvantages of the device, such as too many absolute components, not very high enough reliability and security, very large size and weight, operating and maintaining difficultly. considering low power requirement and man - machine interface optimizing design at the same time, the thesis come up with an integrated design scheme to the previous device based on " mcu + cpld / fpga architecture " : ( 1 ) signal frequency dividing, timing frequency producing, 20 customers " led states controlling are implemented in cpld ; ( 2 ) decoding, latching data and controlling signals are implemented in cpld by bus interface between mcu and cpld ; ( 3 ) chip selecting principles and mcu idle mode design are completed under the consideration of low power requirement ; ( 4 ) operation by chinese lcd menus is adopted in the man - machine interface

    本項目以該交換機為研究對象，在詳細分析原設備的系統結構和功能實現方式的基礎上，指出該機型在使用過程中存在技術相對陳舊、分立元件過多、可靠性和保密性不夠、體積大、重量大、維修困難等問題，同時結合系統的低功耗需求和優化人機介面設計，本文提出基於「單片機+ cpld fpga體系結構」的集成化設計方案：在cpld中實現信號音分頻和計時頻率生成電路、 20路用戶led狀態控制電路； cpld與單片機以總線介面方式實現譯碼、數據和控制信號鎖存功能的vhdl設計；基於低功耗設計的器件選型方案和單片機待機模式設計；人機介面的lcd菜單操作方式。
  6. The developed system provides a test analysis platform for the study of the effects of the size parameters of the pec and the frequency and the amplitude of the external excitation on the electricity generating capacity of the pec

    該測試系統為研究壓電陶瓷尺寸參數、外界激勵的頻率和振幅對壓電陶瓷發電能力的影響提供了測試分析平臺。
  7. Analysis of frequency for plane compliant mechanisms based on the pseudo - rigid - body model was illustrated in detail, and the effect of section parameter 、 structure size and characteristic parameter of material on mechanisms were discussed respectively ; a newly relative index of frequency characteristic for the material of compliant mechanisms was advanced and some examples were given to validate its reliability

    摘要以偽剛體模型為基礎對平面柔順機構的頻率特性進行了詳細的分析，並分別就機構截面參數、結構尺寸、材料參數對頻率的影響進行了討論；針對柔順機構材料特點提出了新的頻率特性比較指標，給出了數值算例，驗證了評價指標的可靠性。
  8. In this paper, aimed at the problems existed in theoretical analysis and application of ftm, the discrete fourier transform method is applied to analyze the traditional ftm ( tftm ). and computer simulation is applied. the main propose is to solve the problem, such as frequency shifting, selection of carrier frequency big or small and selection of filter window size. considering the feature of double - exposure holographic interferometry, we propose a modified ftm ( mftm )

    針對二次曝光數字全息干涉術中ftm存在的理論缺陷和具體應用到二次曝光全息干涉計量中存在的問題，本文從離散傅立葉變換的角度對傳統的傅立葉變換法（ tftm ）進行了理論分析和計算機模擬計算，並重點致力於解決ftm中的移頻問題、載頻大小的選擇以及濾波窗口大小的選擇等關鍵問題，結合二次曝光全息干涉的特點提出了改進的傅立葉變換法（ mftm ） 。
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