appropriate frequency 中文意思是什麼

appropriate frequency 解釋
有關頻率
  • appropriate : vt 1 擅用，挪用，佔用，盜用。2 〈美口〉盜取（少量公物）。3 充用，充當，撥作…費用。4 〈美國〉（州...
  • 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。
  1. To obtain the statistical boilerplate of lst according to the asymmetry distribution of cloud, we compared the images of the averaged temperature, which were respectively imaged by using satellite remote sensing and by using the general weather data, and analyzed the frequency of real - time lst figures by employing appropriate templets

    針對雲系的空間分佈不均勻性，採用適當模板對lst實況圖進行頻譜分析，找出lst的統計樣區，繼而對這些區域的lst數值進行平均，得到多年lst平均圖的參照標準。
  2. This paper gives a method to measure the conductivity base on choosing frequency. after adding to the electrode with two ac square waves of appropriate frequencies, we can measure the output dc voltage of the circuit

    本論文提出了一種選頻電導率測量方法，選擇兩個合適頻率的交流方波施加於電極，測出電路輸出直流電壓，通過解方程組求出時間常數，然後求得溶液電阻，進而得到溶液電導率。
  3. Fourthly, with the finite element program, the author analyzes the relationship between the load magnitude or frequency and range of breakage or pore pressure. this can provide appropriate parameters for the method of vibrating grouting. fifthly, adopting the compressible porous medium, the author adduced dynamic theory of liquid saturated porous medium to analyze the displacement and force in the sand when there is dynamic load below the earth surface

    基於連續介質力學的混合物理論建立的多孔介質理論和動力控制方程，假設砂土滿足各向同性並處于彈性小應變狀態，豎向振動力將在飽和砂土內部產生三種波，分析了這些波的彌散曲線和特徵衰減曲線，從波傳播的角度，研究了振動力參數和土性參數對振動范圍的影響。
  4. Abstract : enhancing function of pulsating draught for sintering process is studied with simulative burden in the laboratory. the experiment results indicate that sintering velocity is the fastest along with appropriate pulse draught frequency when negative pressure is lower

    文摘:採用模擬原料，在試驗室內的脈動燒結裝置上，進行脈動氣流燒結試驗，探討了脈動氣流的頻率變化和抽風負壓等因素對燒結過程的強化作用
  5. The products are primarily used in 1. f. t, therefore appropriate t. c types shall be used to match ferromagnetic cores. if not, peak frequency will shift

    一、本品主要用於中周配套，因此選用電容器之t . c （溫度補償）類別應與瓷芯相匹配，如不匹配，易造成高低溫諧振飄移。
  6. Wavelet analysis is used to translate noise signal of the engine into time - frequency domain. selecting appropriate frequency band to pick up and making its envelope spectrum, then two feature frequency - 0. 5x speed frequency and 2x speed frequency that represent the abrasion condition can be found. in addition, a new diagnosis method of image processing technique is proposed

    利用小波分析將測得的機體噪聲信號變換到時頻域，選擇合適的頻帶加以提取並進行包絡譜分析提取包含特徵頻率的包絡，通過分析提取后的0 . 5倍頻和2倍頻分量，發現兩個特徵頻率可準確反映主軸承的磨損狀況。
  7. Five appropriate minnan descriptors were " not at all ", " a little ", " moderately ", " mostly ", and " completely " for capacity ; " very dissatisfied ", " dissatisfied ", " neither satisfied nor dissatisfied ", " satisfied ", and " very satisfied " for one of the evaluations ; " very poor ", " poor ", " neither good nor poor ", " good ", and " very good " for the other evaluation ; " never ", " seldom ", " quite often ", " very often ", and " always " for frequency ; and " not at all ", " slightly ", " moderately ", " very ", and " extremely " for intensity

    選出的閩南語能力語詞為完全不能、不太能、一半一半、能夠及完全能夠；評估語詞可分為兩種次類型：滿意次類型為完全不滿意、不夠滿意、一半一半、大部分滿意及完全滿意；好壞次類型為完全不好、不太好、一半一半、大部分好及完全好；頻率語詞為一直都沒有、很少有、一半一半、時常有及一直都有；強度語詞為完全沒有、不太有、一半一半、大多數有及完全有。
  8. Firstly, a reduced order model of this flexible structure is obtained by frequency domain identification, then unstructured uncertainties constituted by neglected modes are taken care of in the time of design process by choosing appropriate weighting functions, arid finally a robust feedback controller is designed based on the reduced order model and the approximate knowledge of unmodeled uncertainties

    首先通過頻域辨識得到柔性結構的降階模型，而剩餘高階模態構成的非結構不確定性，通過對權函數的選擇在設計階段就加以考慮，然後基於降階模型和未建模不確定的近似特性設計了魯棒反饋控制器。
  9. The school has an appropriate assessment system, e. g. frequency and arrangement of assessment, etc

    學校的評估制度，例如評估的頻次和安排等恰當。
  10. Good magnet - sheilding quality for multi - plugs it could be easily design multi out - put transformers. acording to different ferric oxide features, ranged from audio frequency to high freqency it could be designed appropriate transformers

    磁屏蔽效果特別好，線圈架備有多路插頭，能很容易地設計出多路輸出的變壓器，根據豐富的鐵氧體材料的不同性能，可以從音頻到高頻范圍內，設計出能夠匹配的各種變壓器。
  11. We took the high frequency flyback converter design as an example and made a calculation model of the total loss of the high frequency flyback transformer. on basis of the caculation model combined with the systemic method of designing dc - dc converter, and the method which is base on the current shape, is presented to achieve the appropriate parameters of the flyback transformer, an optimized approach to design high frequency dc - dc converter is given in this paper. the appropriate parameters were achieved by genetic algorithm. through this method, a practical high frequency flyback

    2 .在理論分析的基礎上，以優化高頻變壓器的磁芯損耗和繞組損耗為目標，以單端反激式變壓器為例建立了高頻變壓器的總損耗計算模型，在該損耗計算模型的基礎上結合從系統角度設計dc - dc變換器的方法和考慮電感電流波形對變換器設計的影響，採用一種基於遺傳演算法的高頻dc - dc變換器的優化設計方法，該優化方法實現是通過遺傳演算法計算得到設計參數的最優取值。
  12. For 15mhz immersion focusing ultrasonic testing signal, the proper sampling frequency is 90mhz, the appropriate strobe - width is 1. 2us and the sampling error less than 20 %

    本文的試驗分析結果表明，對于中心頻率為15mhz的水浸聚焦探頭，其采樣頻率應不低於90mhz ，閘門寬度為1 . 2us ，特徵點的采樣誤差應不大於20 。
  13. Firstly, wall ’ s transfer matrix is deduced by laplace transformation based on 3r2c thermal network model. secondly, frequency response of transfer matrix is calculated. thirdly, we make the frequency response of transfer matrix of stimulation model equate the theoretical frequency response of wall transient heat conduction by applying appropriate identification algorithm, from which we can obtain every polynomial ’ s coefficient of model transfer function, then each parameter of resistance and capacitance is calculated by appropriate optimization algorithm

    首先，根據模擬熱流網路模型用拉普拉斯變換推出墻體的傳遞矩陣;然後，計算傳遞矩陣的頻率響應;最後，採用頻域回歸方法求出模型傳遞函數各次項的系數，進而通過一定的優化演算法確定模型的各個熱阻、熱容參數，使通過模型建立的多項式s -傳遞函數與墻體瞬時傳熱的理論超越s -傳遞函數完全等價。
  14. Simulations on light intensity are validated by experiments and influence of mechanical dither on gyro frequency stabilization is studied for the first time. then it is point out that the key to improve the precision of frequency stabilization is to choose appropriate modulation frequency based on the frequency spectrum of sharp pulses, which is introduced by mechanical dither. thereafter, experiments of frequency stabilization under different modulation frequencies are made

    通過實驗驗證了光強模擬結果，首次分析了機械抖動對穩頻的影響，指出提高機抖陀螺小抖動穩頻精度的關鍵在於：根據機械抖動引入的交流光強尖峰脈沖頻譜分佈選擇合適的調制頻率，並給出了不同調制頻率的穩頻實驗結果。
  15. A new method, which uses shaping circuit and programmable computer controller with appropriate software to measure frequency, is initially applied which overcomes the problems of low reliability and slow responding process of traditional frequency measurement unit, improves the reliability and dynamic quality of frequency measurement and expedites the responding speed effectively

    首次提出了一種由整形電路和可編程計算機控制器配以適當軟體完成頻率測量的方法，有效地解決了plc調速器測頻環節存在的可靠性差及響應速度慢的問題，提高了頻率測量的可靠性及動態品質。
  16. The results were summarized as follows : ( 1 ) diamond - like carbon films could be fabricated by plasma source ion implantation ; it was found that different parameters such as the negative voltage, frequency, gas flux influenced sp3 bond ratio of dlcs, the paper described the effect in details and showed that diamond - like carbon films with increasing negative voltage, reducing frequency, appropriate gas flux got high proportion of sp3 bond ; dlcs prepared by psii contained a good deal of sic, the composition affected its properties ( such as the films hardness ) ; psii method could offer good adhesion to dlcs, but it caused the surface morphology to become asperity

    研究結果表明： （ 1 ）用全方位離子注入技術能夠制備出類金剛石膜。在全方位離子注入技術中，不同的偏壓、頻率、氣體流量都對薄膜中sp ~ 3鍵比例有所影響，文中對具體的影響進行了分析，發現偏壓增加、頻率降低和適中的氣體流量可以制備出含sp ~ 3鍵較多的類金剛石膜；同時發現用全方位離子注入技術制備的類金剛石膜含有大量的sic成份，這對薄膜的性能（例如硬度）影響很大；用全方位離子注入制備的薄膜其結合力得到增強，但薄膜的表面形貌差。
  17. The equivalent cavity model is used to deduce the threshold condition of the ecld, and the expression of the threshold carrier density n ( v ) when ecld is tuned to oscillate at different frequencies has been obtained. using the expression of n ( v ) and the carrier dependent refractive index, the simple basic equation describing the bistable characteristics has been derived after choosing an appropriate reference frequency nf

    通過建立等效腔模型來推導外腔半導體激光器的閾值條件，得到ecld在不同頻率v振蕩所需的閾值載流子密度n （ v ）表達式，利用該表達式及相關的折射率表達式，在選擇合適的參考載流子密度n _ f后，導出了一個描述雙穩所需的基本方程。
  18. In a word, a good drug advertisement shall be the one within appropriate lifecycle of the product, to appropriate consumers, by means of appropriate media, in appropriate frequency, and with appropriate content. the benefit of this advertisement would certainly be satisfactory as expected

    總之，一則好的藥品廣告，要求在正確的產品生命周期向正確的受眾在正確的媒體以恰當的頻率發布了正確的藥品廣告內容，這則廣告的效益自然能獲得預期效果。
  19. Design options include selecting and confirming the type and volume, the best reverberation time and frequency response characteristic, layouting the acoustic materials and designing appropriate reflectors to organize the reflection rationally

    設計內容包括體型和容積的選擇，最佳混響時間及其頻率特性的選擇和確定，吸聲材料的組合布置和設計適當的反射面，以合理地組織反射聲等。
  20. The appropriate frequency for taking log backups depends on your tolerance for work - loss exposure balanced by how many log backups you can store, manage, and, potentially, restore

    有時，事務日誌備份大於數據庫備份。例如，假設數據庫的事務率很高，從而導致事務日誌迅速增大。在這種情況下，應該更頻繁地創建事務日誌備份。
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