1) mutation probability
变异率
1.
Genetic algorithm with mutation probability and population size adaptation;
变异率和种群数目自适应的遗传算法
2.
The self-adaptive genetic algorithm,its main thought is to let control parameter(population,crossover probability and mutation probability) adjusted adaptively within the proper range find the best parameter of the corresponding problem,thus received optimum which has stronger adaptability.
亚级遗传算法(自适应遗传算法)的主要思想是根据具体优化问题的不同,在适宜的范围内,自动调整遗传算法的控制参数(群体规模、杂交率、变异率),以找到优化相应问题的最佳参数值,进而得到适应性较强的最优解。
3.
This paper presents a method for optimal design of an improved adaptive Genetic Algorithm making the crossover probability and mutation probability adjust adaptively and.
标准遗传算法采用固定的交叉率和变异率,对于求解一般的全局最优问题具有较好的鲁棒性,而对于解决较复杂的优化问题则存在早熟及稳定性差的缺点。
2) mutation rate
变异率
1.
The recommended range of crossover rate and mutation rate is given in simple genetic algorithm, and the two rates for selection is not correlative.
基本遗传算法给出了选取交叉率与变异率的推荐范围 ,两种概率的选取是相互独立的 。
2.
Based on self-adaptive mutation of evolutionary strategy,it introduces the mutation rate which makes the algorithm pay its attention to global searching in the initial stage and local-tuning in the later stage,quickly get convergence to the true Pareto set.
在自适应变异步长进化策略的基础上,引入变异率的概念,使得该算法在进化前能进行全局搜索,而在进化后期进行局部调节,使得算法能够快速的收敛到真正的Pareto最优集。
3.
By considing the solution of the state equation,the paper discusses the connection between the mutation rate and the convergence property of the simple genetic algorithms(SGAs).
本文主要目的在于通过对状态方程解的研究,讨论简单遗传算法中变异率的取值对算法收敛性态的影响,所得结果蕴含着“当变异算子的作用率很小时,算法收敛于早熟集的概率几近于1”的结论。
3) ratio of variation
变异率
1.
In this paper,we had researched on fluctuation circle of aquatic products price between 1978 and 2000 via ratio of variation and harmonic wave.
以水产品年度零售价格为研究对象,分别采用变异率指标与谐波分析法从定性和定量角度出发对1978～2000年间其波动的周期性进行了研究。
2.
The fluctuation circle of aquatic products price between 1978 and 2000 via ratio of variation and harmonic wave was researched.
采用变异率指标与谐波分析法研究了1978-2000年水产品年度收购价格波动的周期性。
4) heart rate variability
心率变异
1.
Relationship of day-night rhythm of blood pressure with heart rate variability and carotid artery elasticity in elderly patients with hypertension;
老年高血压患者血压昼夜节律变化与心率变异及颈动脉弹性功能的相关性
2.
Effects of trimetazidine on myocardial ischemia and heart rate variability in patients with non ST-elevation acute coronary syndrome;
曲美他嗪对非ST段抬高急性冠脉综合征患者心肌缺血和心率变异的影响
3.
Relationship between heart rate variability and carotid vascular disease in patients with type 2 diabetes mellitus;
老年2型糖尿病患者心率变异与颈动脉病变关系的研究
5) HRV
心率变异
1.
The development of the portable monitor for HRV;
便携式心率变异监测仪的研制
2.
Clinical Application of HRV Analysis With Exponential Distribution;
指数分布在心率变异临床分析中的应用
3.
Methods 102 obese volunteers and 49 normal controls were studied with 24 hour dynamic electrocardiography (PI)and HRV analysis was performed.
方法采用美国PI(Preideal Instruments)公司生产的十二导联动态心电记录仪,对102例单纯性肥胖者和49例正常体重健康志愿者,记录24h心电信号,进行白天和夜间心率变异分析。
6) heart rate variation
心率变异
1.
The heart rate variation index of the diabetes group was signi.
目的研究2型糖尿病患者血清可溶性血管细胞黏附分子-1与心率变异性的关系。
2.
A new method of heart rate variation signal analysis based on Hilbert-Huang transformation (HHT) is proposed.
提出一种基于Hilbert-Huang变换(HHT)的心率变异信号分析的新方法。
补充资料：电导率(见电阻率)
电导率(见电阻率)
conductivity
d!日nd日O}已电导率(eonduetivity)见电阻率。
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