頻數曲線 的英文怎麼說

中文拼音 [bīnshǔxiàn]
頻數曲線 英文
frequency 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...
  • : 數副詞(屢次) frequently; repeatedly
  • : 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...
  • 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的計算公式及相應的關系,通過值分析方法給出了聲光優值隨中心率的變化並給出了器件的設計參
  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率分佈。
  3. The thesis focus on the numerical analytical method of curved broadband wire antennas. first, the paper introduced the development of broadband antennas, the common measures to broaden antennas " bandwidth and the study on curved antennas. second, the generalized halen integral equation ( mei ' s equation ) was derived based on the three basic equations of wire antennas by two means and its numerical solution method was discussed

    本文就值分析方法展開研究,首先介紹了寬帶天的發展,實現天帶的常用方法和的研究現狀,然後在直加載天滿足的方程的基礎上用兩種方法推導了滿足的推廣的海倫積分方程( mei 』 s方程) ,討論了不同基函下方程的值解法。
  4. Cumulative frequency curve

    累積頻數曲線
  5. 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率分佈。
  6. Harmonic distortion is one of the most common non - linear distortions, and it affects the playback performance of audio devices directly. harmonic distortion graph reflects the distortion distribution in the whole audio frequency range

    諧波失真是音設備最常見的一種非性失真,它直接影響到音設備的重放效果,諧波失真圖反映出設備在整個音范圍內的失真分佈情況,是衡量設備性能的重要參
  7. 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率及電氣模擬網路參。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率及其電氣網路參。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。
  8. It has been shown that : with the increase of the kerr medium intensity parameter u, the rabi oscillation extent of the mean photon number decrease and the rabi oscillation frequency becomes rapid, the antibunching effect becomes strengthened ; with the increase of n, the interaction between the field and atoms gradually becomes weak, however, the interaction between the field and the kerr medium gradually becomes strengthened and happen in advance ; with the increase of the coupling constants of two atoms, the rabi oscillation extent of the mean photon number decrease and the rabi oscillation frequency becomes rapid too, the antibunching effect becomes weak

    結果表明:隨著值的增加,光子統計演化的rabi振蕩的幅度減小,振蕩率變快,系統的反聚束效應增強;隨著初始場強( ? )的增大,場與原子的相互作用逐漸減弱,而與介質的相互作用逐漸加強並提前發生。隨著原子間耦合系g的增大,光子統計演化的rabi振蕩的幅度減小且振蕩周期縮短,同時,系統的反聚束效應減弱。
  9. At first, the dynamic mathematic model is created in the light of the known dimensions and structure. then base on the mathematic model, dynamic analysis of the system is studied by drawing the open - loop bode diagram closed - loop bode diagram and step response curve using the analysis and calculating function of matlab. the influence factor on frequency character steady and performance of the system is also analyzed

    首先,根據已確定的尺寸參和結構需要,計算並建立起系統的動態學模型,然後在已知系統學模型的基礎上,利用matlab語言強大的分析計算功能,對系統進行動態分析,通過畫出系統的開環bode圖、閉環bode圖及系統的階躍響應,分析了系統的率特性、穩定性及系統性能的影響因素。
  10. 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率分佈。
  11. The opposite results were observed for excitatory and inhibitory ftcs of corticofugally facilitated icc neurons. corticofugal inhibition increased sharpness, minimum threshold, and decreased the frequency - intensity response area of eftcs, at the same time it decreased the sharpness, minimum threshold but increased the frequency - intensity response area of iftcs

    結果表明,聲源方位對下丘聽神經元率調諧的銳度、最低閾值有影響,多神經元在記錄部位同側的率調諧的銳度比對側大,最低閾值比對側高。
  12. After analyzing the switching characteristic of mosfet, the object function of optimizing curve of the output capacitance coss is confirmed according to the switching loss caused by output capacitance coss, then the optimized curve of the output capacitance coss is ascertained by applying zoutendijk to seek the optimized value with constraint ; the simulation of switching circuitry and dc - dc circuitry is tested at different frequency in pspice, then the least square method is adopted to fit simulation curves to calculate corresponding energy data

    在電子路模擬軟體pspice中進行了mosfet開關電路以及典型dc dc轉換路模擬測試,針對不同段的測試結果,採用最小二乘擬合法對模擬進行擬合,計算出相應的能量據,最後綜合模擬結果確定出減小器件開關損耗,提高dc0c轉換路效率的器件輸出電容cob優化
  13. In the end, the main content of this dissertation is addressed. in chapter 2, based on the analysis of present vibrator ' s principle and structure, two kinds of transfer functions and frequency response curves of the vibrator, driven by voltage feedback power amplifier and current feedback amplifier, are given separately. and turnover frequencies between different frequency rangs are also given

    第二章分析了標準振動臺的工作原理和結構,在此基礎上,建立了標準振動臺的機械和電氣方程,給出了恆壓源和恆流源功放激勵下的振動臺傳遞函及幅、相特性,列出了不同段間的轉折率。
  14. Then the measured frequency characteristic can be converted to high accurate transfer function with curve fit method, rational initial parameters choice and fitting in different frequency range method

    使用擬合方法,輔助以合理的初始參選取及分段擬合方法,將測量得到的控制對象率特性轉化為高精度的傳遞函
  15. 2. doppler frequency shifting and curve fitting differential methods for measuring velocity are analyzed and compared. the least - squares curve fitting methods based on power functions and orthogonal functions are analyzed and compared

    2 .對測量速度的兩種方法,多普勒移法和擬合微分法作了分析和比較;對以冪函族和以正交函族為基底的最小二乘擬合法作了對比分析。
  16. The frequency analysis results show conclusions as follows : 1. the relative valid spectral power is declined with the volume percentage of inclusions in terms of exponent curve and the tendency of negative direction is same to that of forward direction

    當ly12鋁合金細小夾雜物(小於0 . 16mm )的體積百分從0 0 . 35時,在35 50mhz的帶范圍內,超聲波形的有效譜功率按近似指快速下降,沿相反方向檢測時其變換趨勢相同。
  17. The passive electromagnetic damper is applied to an experimental rotor and a very good vibration suppression result is achieved. because of its simplicity and reliability it may be used in industry

    在此基礎上,進一步進行了被動式電磁阻尼器用於單盤轉子系統振動控制的實驗研究,用實驗得到的據和對實驗系統的有效和可靠性加以驗證。
  18. As a classical and practical method in ambient vibration experimental modal analysis, auto - cross spectrum density method replace the frequency response function with power spectrum and achieve its mode shape from transmissibility between the response signals and reference signal

    自互譜法作為環境激勵實驗模態分析的一種實用的經典方法,用響應點和參考點間的功率譜來代替響函,並由響應點和參考點之間響應的傳遞率得出振型。
  19. 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值計算分析,並在域內對故障函幅值、相角和率特性進行了分析,提出了相應的故障定位判據。
  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率分析作了初步研究,選擇了四種理論經過計算和比較,得出適用於喀斯特地區枯水率分析的型是對正態分佈和皮爾遜?型( p ? )分佈,並且流域中地貌類型的差異對枯水的選擇幾乎是無影響。
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