secant 中文意思是什麼

secant 解釋
adj. 形容詞 分[交]割的；（橫）切的，交叉的。
n. 名詞 【數學】正割；割線。
a secant line 切線；割線。

  1. Introducing a class of generalized fibonacci sequences with double variables, we establish the relation with aitken, secant, new - raphson, halley transformation etc., generalize the results of many authors. furthermore, we give a more general generalization of q - matrix

    通過引入一類雙變量的廣義fibonacci序列，建立了其與aitken 、 secant 、 newton - raphson 、 halley等變換的關系，進而給出了q -矩陣的一個更廣泛的推廣。
  2. A new method on seeking asymptote is given by applying the relation between secant and asymptote, this method is helpful to train creativity of students

    摘要利用曲線割線的極限得到曲線的漸近線，給出了求漸近線的一種新方法。這種方法直觀性強，有助於培養學生的創新能力。
  3. The new algorithm bases on bisection and secant iteration, which is different cuppen ' s method and newton iteration. the results of theoretical analysis and numerical testing show that convergent rant of our algorithm is obviously faster that of the classical algorithm

    該演算法以割線法迭代為基礎，明顯不同與傳統的newton迭代法，理論和數值實驗表明改進的演算法的收斂性比經典演算法好
  4. Test method for determination of isothermal secant and tangent bulk modulus

    等溫正割和正切體積彈性模量測定方法
  5. Standard test method for determination of isothermal secant and tangent bulk modulus

    測定等溫正割和正切體積彈性模量的標準試驗方法
  6. A secant is defined as line passing through two points of the curve.

    割線的定義是一條通過曲線上兩點的直線。
  7. Secant algorithm in multi - point contact machining

    多點切觸加工的割線法
  8. Secant stiffness matrix

    割線剛度矩陣
  9. Study on constitutive relation of loess moistening deformation based on secant - modulus method

    基於割線模量法的黃土增濕變形本構關系研究
  10. An asynchronous parallel algorithm about the secant method for solving nonlinear systems of equations

    一個用割線法求解非線性方程組的異步并行演算法
  11. A design method of symmetrical reinforcement members subjected to small eccentric compression by secant method

    矩形截面對稱配筋偏壓柱由軸壓承載力控制配筋時的鑒別條件
  12. A new damping estimation method, the secant line method, was presented, that is based on the distance of neighbor peaks and valley of oscillation

    摘要提出利用相鄰波峰和波谷之間距離估計阻尼比的割線方法。
  13. Firstly, the paper puts out the formulas used to calculate displacement by secant modulus, which think about the influence on lateral displacement

    提出了飽和粘土利用割線模量法計算固結沉降，且考慮側向變形影響的公式。
  14. It is proved that hyperbolic - secant pulses ( solitons ) have inherent ability to suppress pmd, this adaptive ability is due to the balance between nonlinear xpm effect and pmd effect. it is studied on the influence of polarization - mode dispersion on wdm system in this dissertation

    大量研究已經證實了雙曲正割形脈沖（孤子）對偏振模色散具有本徵抑制能力，這種自適應能力歸功于交叉相位調制效應與偏振模色散效應之間達到平衡。
  15. On this basis, a model of pulse damage threshold fth ( j / cm2 ) was proposed. calculations on pulses of three different envelope shapes indicate that, with the same pulse duration, wavelength and incident light intensity, fth of pulse with gaussian envelope is higher that that of the pulses with hyperbolic secant and lorentzian envelope, i. e. gaussian pulse would need a little higher intensity to induce breakdown than the other two

    在這個基礎上，提出了一個研究脈沖破壞閉值的模型，對三種不同包絡脈沖的分析表明，在相同的脈寬、波長和入射光強下，高斯脈沖的破壞閉值較高，雙曲正割和洛侖茲脈沖的破壞閩值相對較低，即高斯脈沖最不容易對介質造成破壞。
  16. Shapes of pulse envelope are found to have some effect on the degree of phase influences. dependence of single - cycle pulse ( scp ) energy on the carrier phase has been studied for gaussian, lorentzian, hyperbolic secant and sine shapes respectively, which shows that these energies can be expressed in the same form. phase effect on pulse with gaussian envelope is the first to show, then are hyperbolic secant and lorentzian pulses, and sine the last

    包絡對載波相位的作用范圍也是有一定影響的，我們對高斯、洛侖茲、雙曲正割和sinc四種不同包絡的脈沖，研究了單周期脈沖能量隨載波相位的變化規律，發現以上四種脈沖的歸一化能量均可在形式上用同一表達式表示，並發現對于這四種不同包絡的脈沖，高斯脈沖相位的作用最早體現出來，然後是雙曲正割和洛侖茲脈沖， sinc脈沖最遲。
  17. We have calculated and plotted the curves of the refractive index, group velocity index, lowest - order and second - order dispersion indexes as a function of wavelength. the lowest - order and higher - order dispersion - induced broadening and deforming of light pulses is analyzed for various pulse shapes, such as gaussian, super - gaussian and hyperbolic secant pulses

    給出了折射率、群速指數、低階和二階色散系數隨波長變化的關系曲線，研究了高斯脈沖、超高斯脈沖和雙曲正割脈沖等超短脈沖在clbo晶體中傳播時，由於低階色散和高階色散引起的脈沖展寬和形變。
  18. During continuous loading, the loess ' s structure is destroyed completely at the point of the least secant modulus and the loess ' s deforming process goes into the third stage after it the experiential - analytical solution of the secant modulus of different stages is deduced and the influence of water content is analyzed

    本文提出了即時割線模量的概念，認為在荷載連續施加過程中，割線模量最小的點即結構完全破壞點，此後即進入第三階段。通過分階段進行分析探討，得出了各個階段的割線模量的經驗解析解，並分析了含水量對其產生的影響。
  19. The secant modulus is used to calculate final settlement of high - stacked soil, compared with the result of e ~ p curve, the error is in the limit of tolerance

    同時將割線模量計算沉降的方法應用到高填方自身作用下的最終沉降計算中，通過與應用e p曲線計算的結果進行比較，其誤差在允許范圍之內。
  20. The reliability of secant modulus method is validated in which final consolidation settlement is computed. the experience formula of coefficient of permeability ( k, 0 ) and pore ratio ( e ) is presented and the experience expression of coefficient of permeability ( k10 ) and strain ( ) is offered too. lt is important to modity the acquiring method of coefficient of consolidation, because the method embodies that strain and pressure of consolidation effect on coefficient of consolidation

    本文首先驗證了用割線模量法計算軟土地基最終固結沉降的可靠性；其次得到了滲透參數k _ （ 10 ）和孔隙比e的經驗關系，並且更進一步給出了滲透系數k _ （ 10 ）和應變之間的經驗公式，更重要的是對求取固結系數的方法給予了改進，該方法反映了固結系數隨應變和應固結壓力的變化規律。
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