查询词典 sampling method

An improved scheduling method based on exponential division of deadline is presented after study on the problem of prevenient average division of deadline method in this paper.The paper also proves when the relative deadline of each node is too large,the schedular performance of messages transmission task using average division of deadline will be decreased by introducing notion of quantization cost.The new method solves the problem well,and digital simulation validate the new method.

摘 要：针对平均分区的EDF算法在CAN总线中的应用出现的问题，本文提出了一种改进的基于指数分区的EDF算法，并通过引入量化误差的概念，推导证明当CAN网络中各节点相对截至期分布时间过大时，平均分区的EDF算法会导致CAN总线中信息传输任务可调度性的下降，而基于指数分区的EDF算法保证了信息传输任务的实时性，仿真试验验证了算法的有效性。

According to the primary principles of the half division method and Newton method ,a new method called horizontal secant method was presented for one dimension search.

根据经典的一维搜索算法———对分法和Newton 切线法的基本原理，提出了一种新的一维搜索算法———水平割线法。

The invention relates to a method for the fast establishment of DSE and plant symbiotic culture system and the application of the method, in particular to a method for the fast establishment of dark septate endophytes and plant symbiotic culture system and the application of the method, belonging to the field of applied microbiology, plant nutrition and ecology.

本发明涉及一种快速建立DSE与植物共生培养体系的方法及其应用，具体为快速建立深色有隔内生真菌与植物共生培养体系的方法及其应用，属于应用微生物学、植物营养和生态学领域。

In the paper, we mostly studied the change of soil erosion process by a new REE tracer method, based on the theories of hydraulic mechanical subject and radionuclear tracer method, and simulated rainfall was applied to study the sheet erosion changing to rill erosion and the rill erosion process on slope land. The new REE tracer method should be useful to future studying of erosion processes on slope lands.1. Offering and testifying a new REE displacing method to study on the soil erosion of the loess slope.

本文以黄土坡面土壤侵蚀形态演变规律为研究重点，以新的核素示踪技术为手段，采用水动力学与核素示踪技术相结合、室内人工模拟降雨与稳定性REE元素示踪相结合的方法，利用先进的INAA技术，定量研究了不同雨强次降雨条件下细沟间侵蚀向细沟侵蚀的转变过程、细沟发生发育过程，为深入了解坡面侵蚀过程，建立黄土高原土壤侵蚀预报模型提供了研究基础。

In side slope stable analysis aspect, the article mainly introduces and analyzes the Swedish method, Bishop method, the transmission method of correlates and the finite element method and its suitable the condition in the side slope analysis utilization.

在边坡的稳定性分析方面，主要介绍和分析了瑞典法、毕肖普法、传递系数法及有限元法在边坡分析中的运用和适用条件。

The practical problems in the granulometric analysis method—the water sedimentation analysis method and the dry sieve analysis method,are analyzed,and an improved water sieve analysis method is developed in this paper.

文章分析了目前粘性土颗粒分析的主要方法——静水沉降法和干筛法，指出其存在的问题。

We made a comparison of using laser method and comprehensive method(pipette analysis-sieve analysis)to do grain size analysis for 65 sediment samples from the South Yellow Sea area.The analysis result from the laser method is very close to that from the sieve method.

本文主要通过实验研究，对南黄海沉积物用激光粒度分析仪和沉降法、筛析法取得的测试结果作对比研究，探讨激光粒度分析结果在该海域应用的可靠性。1粒度分析方法的基本原理1.1综合法通常联合使用筛析法和沉析法叫综合法。

We analyze the advantage of the simple iterative method over Newton method at last. The numerical examples show that the more computational time has saved by the simple iterative method than the Newton method.

最后分析了简单迭代和牛顿迭代的优劣对比，数值算例表明在同样精度下简单迭代更节约计算时间。

In this thesis, the methods for solving eigenvalue problems and conventional reanalysis methods are studied firstly. Then, a new reanalysis method for real modal reanalysis of structures subjected to topological modification with added degrees of freedom is presented. This method is composed of the single step perturbation method and the Rayleigh-quotient iteration. The numerical examples show that this reanalysis method is very effective and high-quality.

本文首先在对常规的特征值数值求解方法和重分析方法研究的基础上，针对实模态的自由度增加的结构拓扑修改重分析，提出了一种新方法，该方法由于结合了单步摄动法和瑞利商逆迭代法两者的优点，应当是一种比较理想的重分析方法，算例的数值结果也有力的验证了该方法确实是一种高精度、十分有效的实模态重分析方法。

Make a summary of geological bodies surface modeling methods,which including singular value surface compose method, inner bodies grid peel off surface method and the reconstruction method based on the outward curve of geological bodies,in addtion, the heuristic extend surface method.

将地质体表面建模方法总结归纳分为组合单值曲面法、体内剖分剥离表面法和基于外轮廓线的重构法，并提出有启发式的展铺法。

A backer of an Afghan law that critics say legalizes marital rape has rejected the international outcry as foreign meddling.

饱受批评的一项法律的拥护者说合法化的婚内暴力不会受国际舆论的干涉。

Years ago, a ancient Egyptian fleet went to the Land of punt for seeking a kind of flavor named "myrrh", and aromatic plants which has dense exotic style for the queen Hatshepsut.

3500年前的一个古埃及的舰队到&彭特之地&寻找一种叫没药的香料。