頻率曲線 的英文怎麼說

中文拼音 [bīnxiàn]
頻率曲線 英文
distributor curve
  • : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
  • : 率名詞(比值) rate; ratio; proportion
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 頻率 : frequency; rate
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. The waves should be sheared waves for the anisotropic aeo device and longitudinal waves for the isotropic aeo device. geometrical relationships of anisotropic acousto - optic effect in ln crystal and kdp crystals are studied by tangent - match condition. curves of incident angle vs. abaxial angle, diffractive angle vs. abaxial angle, extreme frequency vs. abaxial angle and acousto - optic merit vs. incident angle vs. abaxial angle are systematically gained and the design parameters are also calculated

    利用相切-匹配條件法研究了鈮酸鋰晶體及kdp晶體的反常聲光互作用幾何關系,系統地得到了以離軸角為自變量的各參數的計算公式及相應的關系,通過數值分析方法給出了聲光優值隨中心的變化並給出了器件的設計參數。
  2. Curve b could represent the frequency of the number of days required to sell a real-estate brokerage business.

    B可用以描述房屋經紀商出售住宅所需天數的分佈。
  3. Such classes are separated by "natural breaks" in the frequency distribution or the analogous cumulative curve.

    這樣的級可由分佈或類似的累積中的自然斷點劃分開來。
  4. Presents the energy saving principle of a frequency - controlled pump and points out the applicability of the law of similitude for centrifugal pumps and the conception of constant efficiency curves

    摘要闡述了循環水泵變調速的節能原理,提出離心水泵相似定律的適用性和等效概念。
  5. Intensity - frequency curve examination

    頻率曲線檢查
  6. Based on the observed runoff data, more accurate designed flow to a culvert or a small bridge may be obtained by curve fitting on frequency curve of pearson type iii distribution

    精度較高的橋涵水文設計是基於所在地實測的徑流資料,採用頻率曲線的適法獲得。
  7. The frequency curve of transverse distribution of the wheel track on divided ways reveals that the frazzled damage of highly channelizing expressway cement concrete pavement largely occurs in the peak range of distribution curve of the wheel track

    摘要分車道行駛輪跡橫向分佈頻率曲線顯示,渠化程度較高的高速公路水泥混凝土路面磨損破壞主要集中在行車道輪跡峰值范圍。
  8. The time - frequency curve of stern scatterer is analyzed. furthermore, high quality images are obtained by identifying the regions which are uniform in frequency. chapter 4 exposits the method of optimal time selection for ship isar imaging in detail

    本章分析了船尾處特顯點的時分佈,並選擇了時近似不變的時間段得到艦船圖像,其成像質量有了較大的提高。
  9. The prestress and harmonic response analysis method is used to study the unbalance response of a turbo - generator rotor and the displacement - frequency curve at a point of the rotor as well as the sress and strain at an appointed frequency are provided

    摘要利用預應力及諧響應分析的方法研究了轉子的不平衡響應,得出在某范圍內,轉子在指定點處位移對的響應以及在指定處,整個轉子上的應力、應變響應的影響等。
  10. Curve a might represent the frequency distribution of the number of days' supply on hand in the perishable grocery business.

    A可用以刻畫食品商人手中易霉貨物儲備天數的分佈。
  11. When we measure the kurtosis of a distribution, we are measuring its peakedness.

    度量一條分佈的尖削度就是度量其頂部的峰態。
  12. This paper researches and analyses the developments of web technology and magnetostrictive transducers from world wide region. the paper also analyes the characteristics curve of magnetostrictive transducers based on its equivalent circuit and researches the method how to make sure its syntony frequency and its electric simulation network parameters. at the same time, by using jsp technology, a magnetostrictive transducer electric simulation application is designed based on b / s three - tier system structure. the experiment data is fitted by curve fitting module. the equivalent input impedance of it with stimulate loop is separated based on the results of curve fitting and the syntony frequency and electric simulation network parameters of magnetostrictive transducers is determined by the input impedance. the method presented in this paper can determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers with a better accuracy than the testing method of syntony & anti - synton y. further more, jsp, the advanced technology at current, has been used to realize a magnetostrictive transducer web electric simulation system. the system has good human computer interface and the function of resource sharing and information publishing. the research of this paper and its achievements have some practical merits in the researchful and applied fields of magnetostrictive transducer

    用java編程語言編寫的擬合模塊,對輸入的實驗數據進行了最小二乘法的擬合;根據擬合結果可從帶激勵圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時由機械振動形成的等效輸入阻抗,並由此輸入阻抗確定磁致伸縮換能器的諧振及電氣模擬網路參數。本課題提出的方法與傳統的諧振?反諧振法相比,能更準確地確定磁致伸縮換能器的諧振及其電氣網路參數。同時,採用當前比較先進的web技術,實現了基於jsp的磁致伸縮換能器web電氣模擬系統,該系統具有良好的人機界面和資源共享、信息發布功能。
  13. While the plan has helped to reduce the heavy concentration of issuance at the short end of the efbn yield curve, the change was most notable in the six - month to two - year segment due to the time decay factor and the less frequent issuance and smaller issue size of longer date efn

    該計劃有助減少外匯基金票據及債券收益集中於短期票據的情況,但由於時間消減因素,加上發行長期外匯基金債券的密程度較低,次數亦較少,上述安排帶來的轉變在6個月票據及2年期債券方面最為明顯。
  14. Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed

    論文首先分析了風機運行特性及其最佳風能利用原理,通過模擬及實驗驗證了採用直流電機的輸出特性模擬風力機的最大輸出功的可行性,並給出了模擬系統的硬體結構;然後為了實現交流勵磁發電機有功、無功功獨立調節機理,分析了交流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆風力發電時必需的定子磁鏈定向矢量控制策略;針對雙饋發電機轉子能量雙向流動的要求,提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變器;最後為實現從理論到實踐的全面研究,研製出了一套小功完整的雙pwm變器交流勵磁的雙饋風力發電機實驗系統,進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗;所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可行性。
  15. Then the general plan of underwater vibrators is put forward. in chapter 3, combining fluid - solid coupling theory and mechanical vibration theory, we get the coupling equation of moving parts and water. the dynamic characteristics of moving parts are studied with theory of finite element, and additional mass of moving parts is found in fluid - solid coupling field, which makes vibrator ' s natural frequency descend and amplitude - frequency curve downward shift

    第三章運用流固耦合理論和機械振動學理論相結合的方法建立運動部件與水的耦合運動方程,利用有限元法對其的動態特性進行了研究,得到了在流固耦合場下運動部件存在的附加質量,該附加質量導致固有下降,單位推力下的加速度整體下移。
  16. Testing the vibration acceleration signal of rail top ( lateral and vertical ), rail middle ( lateral ), rail bed side ( vertical ) and rail bed middle ( vertical ) with dasp vibration testing system, calculation of signals obtains the power spectral density and frequency response curves of different position

    測試橫向和垂向激振力下鋼軌不同部位的振動信號,進行譜分析,得出不同部位的響應。通過對的分析,得出不同方向激振力下鋼軌振動能量集中的,確定不同方向激振力下鋼軌的主要振動部位和振動形式。
  17. Firstly, a relevant algorithm is presented for locating single - line - to - ground ( slg ) fault in distribution networks, fault functions are reasoned out and analyzed for single - phase and three - phase distribution lines, and criterion measure, which are based on the frequency, phase and shape characteristics of the fault function spectrums, are also presented for locating slg faults

    首先論文對三相均勻換位路的故障定位進行了公式推導和數值計算分析,並在域內對故障函數的幅值、相角和特性進行了分析,提出了相應的故障定位判據。
  18. Because quasi - fermi levels of a laser diode ( ld ) vary with the carrier density, it is predicted that a new type of hysteresis loop should occur for the current passing ld while a hysteresis loop appears on the power - frequency curve of the ecld. an explicit analytical expression for the frequency width of the hysteresis loop and the condition for the formation of the hysreresis loop has been deduced

    預測了由於半導體激光二極體( ld )的準費米能級之差隨ld內流子密度的變化而變化,因而,在調諧外腔半導體激光器的輸出功?振蕩頻率曲線上出現雙穩環的時候,通過ld的電流也應出現一個伴隨的新型雙穩環? ?電流雙穩環。
  19. In order to research mechanical capability of the reinforced concrete beam with bonding steel plate, adopting separate method to establish finite element model of the reinforced concrete beam with bonding steel plate, using fem to study dynamical characteristics of the model, have got good results which can not be easily got using traditional resolution method, which can give reference to study dynamical characteristics of the reinforced concrete beam with bonding steel plate

    摘要為了研究粘鋼加固后鋼筋混凝土梁的各種力學性能,採用分離式方法建立了粘鋼加固后鋼筋混凝土梁的有限元模型,並用有限元方法對此模型先後進行了模態分析和簡諧集中載荷作用下的動力響應分析,得出了加固后鋼筋混凝土梁的前5階振動模態和簡諧集中動荷載作用下粘鋼加固鋼筋混凝土梁底部開裂的極限動載荷幅值頻率曲線,可為研究粘鋼加固鋼筋混凝土梁的各種動力特性提供參考。
  20. Secondly, my paper researched low flow frequency analysis in karst drainage and selected four types of the theoretic frequency distributions. log - normal distribution and p - iii distribution are applicable to low flow frequency analysis in karst region by caculating and comparing. furthermore, the low flow frequency distrbutions are almost same in these drainages of different types of landforms

    二是對喀斯特流域的枯水分析作了初步研究,選擇了四種理論頻率曲線經過計算和比較,得出適用於喀斯特地區枯水分析的型是對數正態分佈和皮爾遜?型( p ? )分佈,並且流域中地貌類型的差異對枯水頻率曲線的選擇幾乎是無影響。
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