For the model with time-dependent birth pulses, using the stroboscopic map, the theory on bifurcation and numerical analysis, the existence and stability of the positive equilibrium are obtained.
对具有密度依赖生育脉冲的模型，运用频闪映射，结合分支理论和数值分析，得到了正平衡态的存在性、稳定性；
The first problem to be solved is to map DNA sequences onto numerical sequences in bio-molecular sequence analysis by mathematical, physical and digital signal processing methods.
DNA序列的数值映射是用数学方法、物理方法和数字信号处理方法分析生物分子序列首先要解决的问题。
The frequency degree of being visualized was determined by using the land utilization map, numerical model of topography and the incident angle of sight.
通过地形及土地利用图、数值地形模型和视线入射角来确定景观的被视频度；
A new method of map symbols recognition was proposed based on numerical background expression.
提出一种基于数值背景表达的地图符号识别方法。
And the numerical calculations on coupled skew tent map also sustain this analysis.
利用耦合斜帐篷映射系统进行了数值验证。
Dispersion-managed soliton interaction is investigated in an optical time-division multiplexed system with random dispersion map by the variational approach and the numerical simulation.
本文采用变分法和数值方法研究了具有随机色散的光时分复用系统中色散管理孤子相互作用。
A numerical calculating formula, the method and the results of correlation and memory functions of chaos motion for one-dimensional unimodal map are given, and both physical graphs are analysed.
本文给出了一维单峰映象混沌运动关联函数与记忆函数数值计算的公式、方法及结果，并对其物理图象进行了分析。
The numerical calculation formula, the method and the systematic results of the power spectrum of chaos motion in one-dimensional map are given, and the physical graphs of power spectrum are analysed.
本文给出了一维单峰映象混沌运动功率谱数值计算的公式、方法及系统结果，并对其物理图象进行了分析。
The numerical calculation formula, the method and the systematic results of the power spectrum of chaos motion in one-dimensional map are given, and the physical graphs of power spectrum are analysed.
本文给出了一维单峰映象混沌运动功率谱数值计算的公式、方法及系统结果，并对其物理图象进行了分析。
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