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- 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.
- Travelling wave fronts in a single species population model with stage structure 具有阶段结构的单物种种群模型的波前解
- travelling wave fronts 波前解
- Travelling 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
- Electro-optic effect on stripline travelling wave Pockels cell[J]. 引用该论文 肖纲要;何慧娟;刘玉璞;张影华;王之江.
- Successive wave fronts in this case form a series of concentric spheres. 相继波前形成了一系列的同心球面。
- Such wave fronts are seperated from one another by one-half wavelength. 这种波阵面彼此间隔半个波长。
- Such wave fronts are separated from one another by one-half wavelength. 这种波阵面彼此间隔半个波长。
- 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。
- While waveform criterion is presented based on the duration time of inceptive travelling wave. 而根据初始行波波头持续时间的长短可以构成波形判据。
- traveling wave fronts 波前解
- A train of light wave may often be represented more simply by means of rays than by wave fronts. 一列光波往往可以更简单地用光线,而不用波阵面表示。
- 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。
- The travelling wave propagation under different type of faults in transmission line is analyzed, its results are useful for travelling wave protection and fault location. 对输电线不同短路故障类型情况下的行波传播特点进行了分析研究。研究结果对利用行波特点来进行行波保护和故障测距都是非常有用的。
- The principle of directional protective relaying based on wavelet transform for detection of fault information and amplitude com parison of travelling wave is presented. 以小波变换为工具提取故障后的行波信息,并通过小波变换实现行波幅值比较式方向保护。
- The positive and negative travelling wave solitons are predicted in photorefractive crystal biased by positive electric field in the low intensity regime. 利用行波变换法,推导出有正偏压光折变晶体中小振幅光波的行波正、负孤子解,证明在有正偏压光折变晶体中存在着正、负行波孤子;
- A new approach using scalogram of wavelet transform for travelling wave transient signal detection, under noise free condition or noise condition separately, was described. 摘要介绍小波变换定义、性质和时间尺度分析,研究小波变换的尺度谱检测无噪声和有噪声条件下的行波暂态信号的能力。