查询词典 sampling location

By constructing the piecewise linear function from samples, it is able to approximate the measured metric more precisely. Compared with current popular sampling algorithms, FASM algorithm can provide more precise estimation of metric under the same samples. In the condition of retaining the same approximation errors, our adaptive sampling methodology only requires fewer samples, which will save sampling costs considerably during sampling process.

与当前常用的抽样算法相比，在采集相同的样本数量情况下，本文的拟合模型对指标进行的估计更准确、稳定；而在保持相同的拟合误差时，自适应抽样算法则可显著减少所需采集的样本数量，节约数据采集过程的代价。

The definition of Halton points is introduced and the algorithm complexity is analyzed, then the sampling strategy of triangle plane is introduced, including geometry region partitioning, coordinate mapping between triangle plane and rectangle plane, and computing principle to the coordinates of sampling point. The experiment results compared with Jittered sampling and improved LHS sampling are given.

给出了Halton点的定义，分析了其算法复杂度，在此基础上给出了三角平面的采样策略，包括几何区域的划分、三角平面与矩形平面的坐标映射、采样点坐标计算原理；并将该方法与Jittered采样法、改进的LHS采样法进行了比较。

Applying mathematical statistics, this paper studied the characters of random sampling and its excessive random effect on other trip characters, put forward stratified sampling method, researched quota sampling and best distribution sampling.

建议对于大型城市采用简单随机抽样方法；而对于中小城市，按年龄分类，采用分层抽样方法，以提高调查精度。

The main work of this paper is to study the sampling theorem in domain of the fraction and the sampling relationship. We will try to obtain the theoretic sampling rate and the proof of feasibility. And we also give some relationship between the kernels under the meaning of sampling.

本文的主要工作就是，研究了分数傅立叶变换算子核函数的采样定理及采样关系，给出了一种能够达到理论的最佳采样频率的尝试，也给出了这种做法的可行性的证明，更进一步由采样关系给出了核函数的一些关系。

At present,the methods of random sampling,systematic sampling and stratified sampling are widely used in remote sensing sampling.

目前，随机抽样、系统抽样和分层抽样方式在遥感抽样调查技术领域应用比较广泛。

The category location of Xi'an Shiyou University:teaching university; hierarchy location of running the school: give priority to undergraduate course, positively develop postgraduate course; special subject location: focus on project, take petroleum and petrify as characteristic, theory、project、economy、manage、literature、law、education more subjects develop harmonizly; cultivate talent location: culture strong basic、take delight in dedicatory appliance advanced special man that petroleum interest and area economy society need; service location: depend on petroleum,base on shan xi, facing to the western, serve nationwide.

西安石油大学学校类型定位：教学研究型大学；办学层次定位：以本科教育为主，积极发展研究生教育；学科专业定位：以工为主，以石油石化为特色，理、工、经、管、文、法、教多学科协调发展；人才培养定位：培养石油行业和区域经济社会发展需要的基础扎实、乐于奉献的应用型高级专门人才；服务面向定位：依托石油，立足陕西，面向西部，服务全国。

The main thrust of this dissertation is to develop the Application Specific Integrated Circuit of location identification for Wireless Sensor Network and to analyze the capability of location identification in existing hardware. Beside, this thesis will discuss a number of the location identification methods, such as TDOA, TOA and AOA, etc. By utilizing the time interval of propagating signal as my basic location identification parameter, this thesis examines the suitable location identification methodology based on the Wireless Sensor Network configuration developed within NTU. Some preliminary tests were performed to verify the performance of the newly developed system.

本论文主要目的在於开发适用於无线感测器网路的定位晶片和分析定位功能於现有硬体架构下之可行性，首先本论文中将介绍各种定位方法如TDOA、TOA和AOA等等，最终以量测无线电讯号於空气中传播之时间间隔作为定位架构的基本参数，并试著针对本实验室无线感测器网路的架构寻找适合的定位方式，并进行初步的测试。

The method of obtaining time delay parameters with the reverse access channel is discussed. The modified algorithms of classic correlation methods of TOA estimation are proposed. Noncoherently combining algorithm and group coherent combining algorithm are given. They decrease the computational complexity and are more suitable for implementations in practical systems. The leading edge detection algorithm is proposed to mitigate the effect of multipath in TOA estimation. Then the secondary search method is proposed, it can solve the matching issue of PN code in CDMA systems. The location algorithms based on LS are discussed; include circular trilateration with LS, hyperbolic trilateration with reference differencing, hyperbolic trilateration with sequential differencing and circular trilateration with TOA differences. The design and implementation of wireless location system based on TOA/TDOA in CDMA2000 systems are given. The location process is discussed, and the hardware and software implementation of TOA estimation are given. Finally, the wireless location system which uses TOA estimation and LS location algorithms above is tested in the real environment.

文中讨论了采用CDMA2000反向链路中的接入信道来获取时延的方法和过程；对TOA估计的传统的相关法进行了改进，提出了非相干合并相关法和分组合并相关法，减少了基于相关的时延估计算法的运算量，提高了算法的实用性，对算法进行了仿真和性能分析；采用边缘检测技术有效减少了TOA参数估计中的多径干扰，提高了时延参数估计的准确度；提出了一种TOA估计的二次搜索法，解决了多个定位测量单元同时进行TOA估计的PN码匹配问题，进一步了提高TOA估计的精度；在采用时延值的定位算法中引入了基于LS的圆周法、基于参考差的双曲线法、基于相邻差的双曲线法和基于TDOA的圆周法，讨论了各算法的应用条件，进行了算法性能的仿真分析；给出了CDMA2000系统中的TOA/TDOA的无线定位的系统方案和实现流程，并对TOA值估计算法进行了软硬件实现，还对采用TOA估计算法、LS定位算法和定位系统设计方案实现的定位系统的进行了现场定位性能测试。

Soil sampling is carried on on the typical slopes, and the mountain slope location that is being researched is divided into three parts: upper slope, middle slope, lower slope, and three land use ways are selected respectively in each slope location(altitude, slope gradient and aspect are same on the whole): farm land,, reforested land, waste land are taken as sampling sites.

土壤采样选取典型坡面进行，把研究的山体坡位分为3个部分：上坡位、中坡位、下坡位，在每个坡位(海拔高度、坡度及坡向基本一致)分别选取3种土地利用方式：坡耕地、人工林、荒草地作为采样点。

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开始里程碑===== 0x945e3c8 2008/03/11 17：02：35.7189 ：调试日志倾倒由于信号11日=====完里程碑==========开始环形缓冲区===== 0x945e3c8 2008/03/11 14：41：03.1538 ：窗口0x9510840开放地点：旧=""，新=的" X鹦鹉螺-桌面说：" 0x945e3c8 2008/03/11 14：41：07.4960 ：成品装载窗口0x9510840 ：的X鹦鹉螺-桌面： 0x945e3c8 2008/03/11 15：44：48.0181 ：选择改变窗口0x9510840 的X鹦鹉螺-桌面：///垃圾桶 0x945e3c8 2008/03/11 15：44：52.1769 ：选择改变窗口0x9510840 的X鹦鹉螺-桌面：///主页 0x945e3c8 2008/03/11 15：45：50.2681 ：目录浏览open_location窗口= 0xb1f02890 ：档案：///家/恒/％类％ b8 ％ 8B条％，并可％屋宇署％屋宇署 0x945e3c8 2008/03/11 15：45：50.2681 ：窗口0xb1f02890开放地点：旧="档案：///主页/衡"，新="档案：///家/恒/％类％ b8 ％ 8B条％，并可％屋宇署％屋宇署" 0x945e3c8 2008/03/11 15：45：50.2860 ：窗口0xb1f02960开放地点：旧=""，新="档案：///家/恒/％类％ b8 ％ 8B条％，并可％屋宇署％屋宇署" 0x945e3c8 2008/03/11 15：45：50.2864 ：当前新的空间窗口= 0xb1f02960 ：档案：///家/恒/％类％ b8 ％ 8B条％，并可％屋宇署％屋宇署 0x945e3c8 2008/03/11 15：45：50.6858 ：成品装载窗口0xb1f02960 ：档案：///家/恒/％类％ b8 ％ 8B条％，并可％屋宇署％屋宇署 0x945e3c8 2008/03/11 15：45：51.2669 ：选择改变窗口0xb1f02960 档案：///家/恒/％类％ b8 ％ 8B条％，并可％屋宇署％屋宇署/ temp.rar 0x945e3c8 2008/03/11 15：45：53.4393 ：删除档案：档案：///家/恒/％类％ b8 ％ 8B条％，并可％屋宇署％屋宇署/ temp.rar 0x945e3c8 2008/03/11 15：45：53.6466 ：选择改变窗口0xb1f02960 0x945e3c8 2008/03/11 15：48：31.7278 ：选择改变窗口0xb1f02960 档案：///家/恒/％类％ b8 ％ 8B条％，并可％屋宇署％屋宇署/ temp.rar 0x945e3c8 2008/03/11 15：53：50.3606： fm_directory_view_activate_files窗口= 0x9510840 的X鹦鹉螺-桌面：///主页 0x945e3c8 2008/03/11 15：53：50.3658 ：目录浏览open_location窗口= 0x9510840 ：档案：///主页/珩 0x945e3c8 2008/03/11 15：53：50.3659 ：窗口0x9510840开放地点：旧="的X鹦鹉螺-桌面："，新="档案：///家/恒" 0x945e3c8 2008/03/11 15：53：50.3660 ：目前现有的空间窗口= 0xb1f02890 ：档案：///主页/珩 0x945e3c8 2008/03/11 15：53：52.2887： fm_directory_view_activate_files窗口= 0xb1f02890 档案：///家/恒/％类％ b8 ％ 8B条％，并可％屋宇署％屋宇署 0x945e3c8 2008/03/11 15：53：52.2891 ：目录浏览=====完环形缓冲区=====此配置为调试日志，可以再创造把下列/鹦鹉螺-调试- log.conf （使用'；'分开域名）：最大值线= 1000 我帮你翻译了这么多，你才给我5分，我亏死了，再给我加30还差不多可以不下次我可以帮你的

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。