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- Keywords Reaction-diffusion equations;nonlocal delay;traveling wave front;entire solution;bistable nonlinearity;monostable nonlinearity;advection;spreading speed; 反应扩散方程;非局部时滞;波前解;整体解;双稳型非线性项;单稳型非线性项;对流;渐近传播速度;
- By aid of the monotone iteration technique and the upper and lower solutions method, the existence of travelling wave fronts is established for a single species population model with stage structure and distributed maturation delay. 利用单调迭代和上下解方法证明了一类具有分布成熟时间和阶段结构的单物种种群模型的波前解的存在性.
- Traveling wave front 波前解
- Traveling Wave Fronts for Diffusive Musca-domestic Housefly Model with Spatial-temporal Delay 苍蝇模型的波前解
- Traveling Wave Fronts in an Age-Structured Spatially Discrete Reaction-Diffusion Model of a Single Species 一个具有年龄结构的单种群离散反应扩散模型的波前解
- At each interface the spreading wave front is made discontinuous. 在每一分界面上扩展的波前出现间断。
- A traveling wave GaAs heterostructure BOA type optical switch is designed. 设计了行波电极型GaAs异质结材料BOA光开关 ;
- Microwave is just a traveling wave of the oscillating electrical field. 微波炉产生的微波其实就是功率很强的电磁波,即是一种传输的振荡电场。
- It starts with zero and grows to a maximum slightly behind the wave front. 它从零值开始,并在稍后于波阵面处增长到最大值。
- traveling wave fronts 波前解
- The radii are proportional to the time which has elapsed since the wave front occupied the position wi. 半径与波前占据wi位置以来能经过的时间成正比。
- This assumption is reasonably justified in the early stages, when the wave front is not far from ground zero. 这种假定在初期阶段波阵面离地面零点不远时是相当合理的。
- Combined with the equation of traveling wave and dihedral reflector, the RCS of total missile was calculated. 结合计算行波和二面角散射的经验公式,计算了导弹整体的RCS。
- One-dimensional multifrequency non-linear model and simulation of helix traveling wave tubes[J]. 引用该论文 高鹏;杨中海;李斌;李建清;胡玉禄;朱小芳;廖莉.
- Travelling wave front 波前解
- Absolute instability in gyrotron traveling wave amplifier with distributed loss waveguide[J]. 引用该论文 薛谦忠;纵啸宇;邹峰;刘濮鲲.
- If a refraction or a reflecting body is irreqular, the wave front undergoes a deformation. 如果折射体或反射体是不规则的,波前即产生变形。
- The double T discharge resonator and traveling wave resonator for the microwave excited gas lasers are proposed. 提出并分析了两种用于微波泵浦气体激光器的微波谐振放电腔结构,一是双T谐振腔,一是行波共振腔。
- The planes of the wave front and the reflecting surface are also normal to the plane of the figure. 波阵面的诸平面与反射面都与图面垂直。
- Traveling wave rotary ultrasonic motors (TRUM) are a new kind of driver that is fit for the need of space navigation. 行波型超声电机适合用于宇航搭载设备驱动器,因此必须对其进行包括高温环境的特殊环境下的性能研究。