采样空间

In order to make the scan data of cell or line detectors include corresponding space information and enhance the resolvability of infrared image, the reconstruction strategy of infrared image was proposed. It was based on the mechanism of variable row frequency sampling under cone scan.

为了使一些单元或线列探测器获得的扫描数据含有相应的空间信息，进而提高获得红外热像的分辨率，提出了圆锥扫描机制下基于变行频采样机理的红外图像完整重建策略。

The software can realize the function of sample current, compute speed, transform coordinate, Space Vector Pulse Width Modulate, etc.

其软件编程实现了电流采样、速度计算、坐标变换和空间矢量控制等功能。

This part has studied on such features of GPS data as time and spatial distribution, sampling intervals, distribution of samples and the coverage rate of road network.

论文主要研究了深圳市GPS数据的时间和空间分布特征、GPS采样间隔特征、路段样本量分布特征、路网覆盖率特征以及路网覆盖率与出租车数量之间的关系。

Chapter 8 points out the spatial sampling method and its application for a kind signals in space domain.

第八章提出了空间域信号的采样和实现方法。

From the map we can know:〓-N is mainly from the catchment above Yichang Station, especially Chengdu Plain;〓-P are from populous region in streamside.〓 is high above Jinshajiang river and in Guizhou, Sichuan region catchment, which was tied up human farming; the content of silicon in water is controled by weathered process.

长江营养元素采样数据的空间可视化可看出：长江中〓的来源，宜昌站以上的上游占绝大部分，特别是成都平原；〓主要来自城市密集的干流两岸地区；硫酸根在金沙江上游和川贵境内支流是两个高含量区域，与人的农业活动关系较小；硅的迁移主要受自然风化的控制。

In order to solving the packet loss error in network realtime image and video transmission, an efficient balanced multiple description wavelet image robust coding algorithm is proposed, which is based on embedded zeroblock coding and spatial equably subsampling polyphase transform.

针对网络图象和视频传输中不可避免的丢包错误，本文提出基于嵌入式零块压缩编码和空间均匀采样的相位变换的均衡小波图象多表达容错压缩方法——即基于零块编码的多表达小波图象容错编码方法。

The collected data are filtered in the frequency domain with a lowpass filter to reduce the noise, followed by interpolation for avoiding problems caused by undersampling and increasing data space resolution, and symmetrization for obtaining more accurate results.

在阿贝尔逆变换前，运用傅里叶变换频域低通滤波去除实验数据中的噪声，通过多项式插值弥补数据采样率过低、提高空间分辨力，并对投影数据进行对称化处理以消除数据偏离对称对结果的影响。

Using systematic grid sampling method and geostatistics, the spatial heterogeneity of land use intensity change in Guanxian county from 1990 to 2000 was studied in this paper.

以山东省冠县为研究区域，采用系统网格采样法获取研究样本，以地统计学方法探讨了冠县1990~2000年土地利用强度变化的空间异质性。

In order to cope with characteristic of aspirating system,thermistor method is selected to satisfying the application.

具体为 ：系统通过敷设在被保护空间的采样管网抽取现场空气样本的稳定气流，将其导入

In chapter Ⅰ, a historial review of structure control is given; In chapter Ⅱ, A discussion of the controllability and observablity of flexible structures is given, Two kinds of controllability and observablity index are defined, and applied to actuator allocation; chapter Ⅲ considers the reduction of high order flexible structure mode; the content of chapter Ⅳ is about the basic problem of distributed parameter control system design. It is proved that a stable controllor in mode space may be unstable in real use in distributed paramater systems, also, by closed loop mode concept, a pole assignment method of flexible structure controllor design is given; chapter Ⅴ is about the low-authority controllor design, it is pointed out by use of high order eigenvalue/eigenvector perturbation, a better controllor can be designed; chapter Ⅳ considers flexible structure reduced order control; chapter Ⅶ disscusses the basic problem of flexible structure computer control, analyses discreate controllablity and observablity and its computing, the sample period and coefficient wordlength; chapter Ⅷ is on the problem of low flexibility compensation; chapter Ⅸ is a design example.

在第一章简要回顾了挠性结构控制的历史，并且指出控制中的一些问题；第二章讨论了挠性结构的能控性与能观性，定义了两类能控性程度和能观性程度指标，还将能控性程度概念应用于执行器位置的确定；第三章论述了高阶模型的降价问题，比较了适于挠性结构模型降阶的方法，指出其适用范围；第四章内容是分布参数系统设计的基本问题，首先证明在模态空间中设计的稳定的控制器在实际分布系统上可能是不稳定的，进而根据闭环模态的概念，获得挠性结构控制器设计的极点配置方法；第五章的内容是关于低权控制器的设计问题，指出利用特征值高价摄动和特征向量的摄动，可以设计出更加完善的低权控制器；第六章讨论挠性结构降阶控制问题；第七章讨论挠性结构计算机控制的基本问题，分析了时间离散化模型的能控性和能观性及其计算问题，讨论了采样周期选择和系数字长问题；第八章讨论低挠性结构的补偿问题；第九章的设计例子用来说明第二章和第四章的结果。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。