sampling approach meaning in English
抽样方法
Examples
- The mixed usage of the successive - sampling and the loop - back - sampling approaches ensures high precision when measuring complicated flows consecutively in real time
上述成果具有创新性，已得到了广泛应用，并申请了一项发明专利。 - Objective : to provide a minimum sample size approach and a sequential sampling approach for testing whether the sporozoite rate has exceeded the critical level of malaria epidemics using the pool sampling method
摘要目的：给出基于混合样本的最小检测次数法和序贯检验法，以检验子孢子阳性率是否超过导致疟疾流行的临界水平。 - The method proposed in this thesis do well in solving the problems of multi - damping - ratio - spectra simulation . it is convenient to obtain the pareto optimal solution set of the multi - object question by using implicit parallel genetic algorithms and the method can meet the practical needs for simulating ground motions coinciding with multi - damping - ratio - spectra in seismic design . the crossing rate and variance rate are important parameters of genetic algorithms which affect the rate of convergence , the adapting rate of cross and variation in this paper can auto - adapt and according to stand or fall of current sample , it assures the sample approach to the pareto optimal solution set in fast convergent speed
较好地解决多阻尼比反应谱拟合问题；本文方法通过一次运行就能获得一组具有集系特性的地震动，在拟合多阻尼比反应谱的人造地震波集系的仿真方面有传统方法所不能比拟的优势，产生的人造波或人造波集系可满足工程抗震设计需要；在遗传算法中，交叉概率和变异概率是影响收敛速度的重要参数，本文采用的改进自适应交叉概率和变异概率，可以根据当前样本的好坏程度来自动地选择适当的交叉概率和变异概率，以保证算法始终以较好的速度向pareto最优解集逼近。 - The main performances of the afm were in the advanced level around the world . the probe unit of the horizontal afm includes a photo - electronic detection unit with a particular optical - beam - deflection path , a regulating block of the setpoint of imaging force , the xy scanner and z feedback controller , the coarse adjusting and fine adjusting mechanism for the sample approaching to the probe tip . the powerful circuits of preamplifier , as well as the circuits of xy scanner and z feedback controller were developed
成功研制了卧式afm探头，包括特有的微悬臂偏转量的卧式光电检测系统、 afm成像工作点(即原子力的预设置点)的调节机构、 jy }艺扫描与反馈控制器、样品的粗调与微调机构;自行研制了高性能的psd前置放大电路、 xy扫描控制电路和z向pid反馈控制电路系统;设计了a / d & d / a控制接口，独立开发了性能完善的afm扫描与控制软件系统及功能强大的图像处理软件系统。 - Besides , the importance of sample for the accuracy of the formula is also discussed . by comparison of three different formulas obtained by different sampling approaches , it can be found obviously that choosing samples precisely and sufficiently can greatly enhance the accuracy of the fitting formula . finally , the ulterior work is proposed
除此之外，本文还分析了采样的点的选取对线性拟合的影响，通过三种不同的采样方式得到相应的拟合结果，结果表明根据工程经验采用“全”而“准”的点作为拟合采样点非常有利于拟合的精度。