A broad understanding of the sut and a more specific understanding of certain linux kernel components that are being stressed by the benchmark are required , in order to understand where the performance bottlenecks exist 需要对sut有宽泛的理解，并要对基准测试程序所着重的linux内核组件有更具体的理解，从而理解性能瓶颈存在于何处。还必须理解造成瓶颈的linux内核源代码。
This thesis presents the studies of the physical layer of power line communications , which is an ofdm - based transmission system . it gives feasible algorithms , and primary implementation of some key modules is discussed as well 本文主要的研究对象使基于ofdm的电力线载波通信传输系统的物理层，对电力线载波信道进行了着重的分析，给出响应的估计算法以及硬件实现模块。
This paper researchs one of the key technology of the3rd generation mobile system , power control technology . on basis of analysis of power control structure of 3rd generation mobile system , researchs power control algorithm emphasisly 本文的研究内容是第三代移动通信的关键技术之一：功率控制技术。在对第三代移动通讯系统的功率控制技术做总体分析的基础上，对功率控制算法作着重的分析和研究。
It absorbs the experts " productions . at the same time , the paper emphasizes on such problems : the effects of credit asset securitization ( structure efficiency , distribution efficiency and operation efficiency ) ; it use finance engineering to discuss finance risks in credit asset securitization and their settlement ; the conditions to settle the risks and if china has these conditions ; the proposals to put the credit asset securitization into use 文章在吸收和借鉴专家研究成果的同时，在以下几个方面做了着重的分析：信贷资产证券化对金融市场作用(促进结构效率、分配效率和操作效率) ；引入博弈论和金融工程的方法来研究信贷资产证券化的金融风险及其化解；规避金融风险所必备的条件和我国尚未具备的条件；在改善信贷资产证券化实施条件方面提出了建议。
In my paper , i put emphasis on mle frequency estimation approach and it ' s implementation procedure . over and above , i put forth a new solution for frequency realization algorithm after mending it . i also give a new way to resolve the estimation problem of amount of sinusoidal waves that is an unresolved problem nowadays 本文着重的讨论了在进行最大似然频率估计的计算方法和实现过程，并且对其中领率实现的算法进行了修正，提出了新的解决方案；对于目前尚未解决的正弦波数目的估计问题，给出了一个解决的方法。
