1·Starting from paraxial wave equation, analytical propagation expressions of hyperbolic secant pulsed beams with narrowband and broadband are derived.
从近轴波动方程出发推导了窄带和宽带双曲正割脉冲光束的解析传输公式。
2·The sign of the chirp also affects the spatial intensity distribution of the ultrashort hyperbolic secant pulsed beams.
啁啾系数的大小和符号对双曲正割脉冲光束空间强度的分布有不同的影响。
3·The pulse envelope we obtained is a hyperbolic secant function of time.
所得脉冲包络为时间的双曲正割函数。
4·Analytical Propagation Expressions of Hyperbolic Secant Pulsed Beams with Narrowband and Broadband.
窄带和宽带双曲正割脉冲光束的解析传输式。
5·By starting from the paraxial wave equation, the analytical expression of the ultrashort Hyperbolic Secant pulsed beam are deduced.
从傍轴波动方程出发，给出了超短双曲正割脉冲光束的解析解。
1·Both the tangential modulus and secant modulus are exponential with axial strain.
松散岩块的切线模量和割线模量均与轴向应变呈指数相关性。
2·A secant is defined as line passing through two points of the curve.
割线的定义是一条通过曲线上两点的直线。
3·The main blade and the blade Angle secant Angle precision instrument by the visual display.
主锯片及割线锯片倾角由精密角度仪直观显示。
4·In this paper, the tangent stiffness matrices and the secant stiffness matrices of space trusses are derived with the energy principle in the Total Lagrangian coordinates.
本文在T．L．坐标下，利用能量原理，同时导出了空间杆元精确的割线刚度矩阵和切线刚度矩阵显式。
5·An element tangent stiffness equation was derived based on the secant stiffness equation of stability function elements with shear deformation effects considered.
以考虑剪切变形影响的稳定函数单元的割线刚度方程为基础，导出了单元切线刚度方程。