The technique of 3d visualization of terrain sight model is an important technique of spatial-temporal GIS and VR.
地形景观模型的三维可视化技术是时空一体化地理信息系统与虚拟现实中的关键技术。
The spatial-temporal correlativity analysis method has an important application value in the study on bio-environmental space differentiation.
时空相关性分析方法在生态环境空间分异性的研究中具有重要的应用价值。
In this paper, a new spatial-temporal data model based on state-event is presented, and the qualifications for conversion between spatial-temporal data models are analyzed.
本文提出了基于状态-事件的时空数据模型,并系统阐述各时空数据模型之间的相互转换条件。
At last, target is extracted by spatial-temporal fusion.
最后,经过时空融合提取目标。
A cadastral spatial-temporal logical data model is designed.
设计了地籍时空逻辑数据模型。
The spatial-temporal snapshots are obtained from the received data of array antenna.
阵列天线实现空间采样,各阵元的时间快拍实现时间采样。
Continuous nearest neighbors (CNN) inquiry is important in spatial-temporal database.
连续近邻查询(CNN)是时空数据库中一种重要的查询类型。
The application of the model can realize editing, updating and spatial-temporal querying of the place name database.
应用这个模型实现了对地名数据库的编辑更新及时空查询操作。
The model of array signal is described first, and then the principle of 2-D spatial-temporal spectrum estimation is analyzed.
文中首先介绍了阵列信号模型,分析了空时二维谱估计的原理。
To detect small moving targets in complex visible image background clutter, the spatial-temporal difference method is presented.
针对可见光图像背景下的运动小目标检测,提出了一种空时域联合差分的检测方法。
Geo-Informatioin-Tupu is a method of processing and showing information to reflect spatial-temporal order of objects in the world.
地学信息图谱是反映地物某种时空规律的信息处理与显示方法。
The proposition is a fresh understanding of lively times, not a transcending spatial-temporal and unmeaning and ice-cold conclusion.
要把该命题看作生动的时代的鲜活理解,不是超越时空的、呆板的冰冷结论。
A new router-aided multicast network tomography method is proposed to estimate the spatial-temporal distribution of network performance.
提出一种新型路由器辅助的多播网络层析方法并用其估计网络性能的时空分布。
Wheat seeds are developed in a spatial-temporal order resulting in different grain weights and protein contents in different positions of spike.
禾谷类作物小穗发育存在时空顺序,因而不同部位籽粒的结实特性和籽粒性状存在差异。
With the increasingly enhancement of global warming and human activities, the spatial-temporal distribution of water resource has obviously changed.
随着全球气候变化和人类活动的日益增强,水资源的时空分布正在发生着明显的改变。
The method to identify the primary congestion was proposed based on an analysis of characteristics of the spatial-temporal distribution of congestions.
在分析拥堵的时空分布特征基础上,提出了原发性拥堵的判别方法。
For DSSS system with antenna array, the spatial-temporal correlator (STC) is proposed for the acquisition of the PN code and adaptive beamforming weight.
对于使用阵列天线的直接序列扩谱系统,提出使用空时相关器方法实现码捕获和自适应波束形成权值捕获。
According to the noise contained in many sensor data, an algorithm based on support degree and adaptive weighted spatial-temporal fusion of the multi-sensor is proposed.
针对多传感器测量数据中含有的噪声,提出一种基于多传感器支持度和自适应加权时空融合算法。
Using daily sounding data and water resources data from 1997-1999, the spatial-temporal characteristics and the water balance relations of land-atmosphere system are analyzed.
利用1997~1999年逐日探空资料和同期水文水资源资料,分析了山东省域空中水汽资源的时空分布特征及地-气系统的水量平衡关系。
The ignition characteristics in terms of spatial-temporal evolution of discharge interelectrode structure and optical emission intensity are investigated by time resolved imaging.
通过时间分辨成像研究起辉阶段在放电电极极间间隙的时空演变和发射谱线强度的特征。
Based on a channel model containing the information of the direction of arrivals (DOA), the spatial-temporal combined CMA was derived and it's convergence properties were analyzed.
基于包含信号到达方向(doa)的信道模型,推导出了CMA空时联合恒模算法,并分析了其收敛特性。
Additionally, visual efficiency of dynamic spatial variation has been improved by reasonable resource arrangement, high effective spatial-temporal query and dynamic cache mechanism.
通过合理的资源调配、高效时空索引和动态缓存机制来提高空间变化过程动态可视化的效率。
On the basis of addressing features of Beijing's geothermal resources, this article emphasis was given to the spatial-temporal evolution of geothermal resources exploitation in Beijing.
简要介绍了北京地热资源特点,分析了北京地热资源开发的时空演变规律。
Because of the spatial-temporal variability and inhomogeneity of natural factors and the uncertainty of human activities, runoff and sediment yielding is a complicated nonlinear process.
由于自然因素的时空变异性和不均一性以及人类活动的不确定性,因此产流产沙是一个复杂的非线性过程。
By experience orthogonal function analysis and wavelet analysis on chilling damage indices, it showed spatial-temporal variation in the regulation and multiple-time-scale characteristics.
在此基础上对低温冷害指数进行经验正交分解和小波分析,得到其时空变化规律及多时间尺度特征。
The method is based on real 3d wavelet transform, and implements a three dimensional extension of SPIHT in still image coding by defining a new spatial-temporal orientation tree structure.
该方法建立在真三维小波分解基础上,通过定义一种新的时空方向树结构,实现了静止图像SPIHT算法的三维扩展。
To solve the problem in segmentation and tracking the moving object in video sequence, a novel moving object segmentation and tracking approach is proposed based on spatial-temporal dispersions.
针对视频图像中单个运动对象的分割和跟踪问题,提出了一种基于时空离散度的视频对象分割跟踪算法。
To improve the Signal-to-noise Ratio(SNR) and detecting probability of small target in infrared image sequences, a novel method of target detection based on spatial-temporal filtering is proposed.
为了提高红外图像序列中弱小目标的信噪比和检测概率,同时考虑检测算法实时性,提出了一种新的基于空时域滤波的小目标检测方法。
The spatial\|temporal features of moderate earthquakes in the Gansu region are studied.
研究了甘肃地区中强地震的时空分布特征。
The spatial\|temporal features of moderate earthquakes in the Gansu region are studied.
研究了甘肃地区中强地震的时空分布特征。
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