1) WKB approximation method
WKB近似法
2) WKB approximation
WKB近似
1.
Methods of choosing basic function in WKB approximation;
WKB近似中基函数选择方式
2.
The proposed method has the advantages over the WKB approximation of better accuracy and adaptation to SiC ohmic contacts.
精确求解一维定态薛定谔方程得到电子通过三角形势垒的隧穿几率,用其代替WKB近似计算的隧穿几率精确提取比接触电阻。
3.
The simulation results show that the proposed method has the advantages of greater accuracy and adaptability to SiC Schottky contacts in high fields over the WKB approximation.
结果显示该方法比WKB近似更精确,同时也更适合工作在高场条件下的SiC材料,并且能够连续地计算热电子发射电流和隧穿电流。
3) Supersymmetry WKB approximation
超对称WKB近似
4) WKB method
WKB法
1.
In the article, we calculate the quantum energy levels and emission current,respectively using WKB method and the transfer matrix method .
并分别应用WKB法和转移矩阵法,求出了垂直于界面的量子能级,并计算了场发射电流。
5) WKB method
WKB方法
1.
It is introduced that the proton emission from a spherical nucleus can be well described by WKB method, while that from a deformed nucleus must be described by means of solving coupled channel Schrdinger equations.
球形核的质子发射用 WKB方法可以很好地描述 ,变形核的质子发射则须解耦合道的薛定谔方程 。
2.
According to the radius and offset distance of the RE-doped core in double-clad fiber (DCF), the wave theory and WKB method are used to calculate circumferential mode number, propagating constant and the value of caustic radius, which are in a critical condition of the modes in fiber from absorbable to non-absorbable by the core.
基于波动理论,运用WKB方法,根据双包层光纤中单模掺杂纤芯的半径和偏心距离,计算光纤中的模式在从能被纤芯吸收到不被吸收这一临界条件下对应的周向模数、传播常数和焦散面半径值。
3.
Adopting the WKB method and tunneling effect in quantum mechanics,we discuss theradial motion of particles near the horizon of Hawking radiation.
运用量子力学中的WKB方法和隧穿效应对Hawking辐射中粒子在黑洞视界附近的径向运动进行讨论。
6) Inverse WKB method
反WKB法
1.
Inverse WKB method has been used to fit refractive index profiles of the waveguides,the best fitted refractive index profiles is Gaussian distribution.
与反WKB法只能获得多模离子交换平面波导的折射率分布相比,这种方法可以得到任意扩散时间下折射率变化与Ag离子浓度,可以获得单模平面波导的折射率分布。
补充资料：磁势的近似计算法
磁势的近似计算法
approximate calculation method of magnetic potential
e lsh一deJ一ns一Jlsuonfo磁势的近似计算法(approximate Caleulationmethod of magnetie potential)利用简化公式求解磁路磁势近似值的方法。磁路的总磁势可用下式表示: IN=(IN)。+(IN)。+(IN)。(1)式中(IN)。为消耗在工作隙的磁势;(IN)。为消耗在磁导体中的磁势;(IN)。为消耗在非工作隙的磁势。通常(IN)。和( IN)。之和与总磁势IN的关系为 (IN)。+(IN)n=a(IN)(2) ，N一鲁(3)工作隙的磁势等于其磁位降 (IN)。二=Bol。(4)式中刀。为工作隙的磁感应强度;Z。为工作隙的长度。将式(4)代入式(3)，则 ，、一概(5)式中a为系数，a一。.15一0.3。当磁路中的非工作隙大，磁导体的磁感应强度很高时，由于磁阻增大，a将增加。利用此法计算磁路时，需有较丰富的设计经验。 (孙仲元)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条