This paper discusses the general model of Non-uniform sampling image, and presents the sampling principle of discrete image.
该文讨论了采样图象的一般模型,提出了离散图象的采样准则,给出了一种迭代算法。
Aiming at the tracker failure problem induced by target pose changes during IR 3-d target tracking, a multimodal method based on non-uniform sampling was presented.
针对红外三维目标跟踪过程中目标姿态变化导致跟踪器失效的问题,提出了一种基于非均匀采样的多模型方法。
An uniform sampling image can be transformed to a space variant sampling image by log-polar coordinate mapping which reduces the searching space and redundant pixels.
通过采用对数极坐标映射,可将空间均匀取样得到的图像变换成非均匀取样的图像,从而减小冗余像素,压缩了搜索空间。
Increasing the sampling rate of uniform time sampling, the errors of spectrum analysis can be reduced.
通过提高等时隙采样方法的采样率,可以减小谱分析的误差。
Distance between dots should be uniform in the field measurement. Sampling number should be estimated by certain believe level, estimate accuracy and variance coefficient.
田间测墒时,点与点之间的距离要均匀,取样数目可以根据一定的置信水平、估值精度、变异系数做估算。
New algorithm need not directly compute values of B-spline interpolatory function, the values were computed using B-spline scaling relation on sampling points, which had simple and uniform coding.
提出的算法不用计算b -样条函数的显式值,而是利用B -样条的尺度关系计算采样点的值,具有一致且简单的编码。
For uniform time sampling, the level of frequency fluctuation will greatly influence the results of spectrum analysis.
采用等时隙采样方法,频率随机波动的大小则会严重影响谱分析的结果。
The existing solutions use hash-based flow sampling algorithm, which assumes that the uniform random hash functions are available.
现有解决方案使用基于哈希流抽样算法,其基本假设是存在均匀随机哈希函数。
In this paper, we first obtain the FRFT of the uniform impulse-train sampled signals, and based on it, we deduce sampling theorem and reconstruction formula for bandpass and lowpass signals with FRFT.
本文首先得到了均匀冲激串采样信号的FRFT,然后在此基础上导出了FRF T域上带通信号和低通信号的采样定理和重构公式。
The image got by rosette scanning system is not uniform and lack of sampling. It is difficult to restore the image of scanned object.
在玫瑰扫描亚成像系统中,由于采集到图像的不均匀性和欠采样性,用传统的方法很难恢复被扫描物体的图像。
In digital measurement of period electric signals, uniform and synchronous sampling is a commonly used method with high performance and low computational complexity.
在周期电气信号的微机测量中普遍采用等间隔同步交流采样。
There are many approaches to realize laser energy uniform. This paper presents a new method based on"variable step sampling" to design a optical system including aspheric lens.
针对激光光束的能量均匀化研究,先后出现了多种方法,基于“不等步长采样”原理设计了包含非球面镜的光学系统。
The computational fluid dynamics (CFD) analysis of air-flow generating duct were utilized for sampling scheme given by uniform design to collect the train dataset.
利用均匀设计安排试验方案,并通过流体动力学仿真完成训练样本采集。选定相关向量机作为优化设计的评估函数。
This paper discussed the uniform under-sampling of multiple bandpass signals in digital receiver.
该文讨论了宽带数字接收机中对多个复或实的带通信号的直接均匀采样。
Extending the uniform intersensor spacing beyond a half-wavelength would lead to a set of cyclically ambiguous direction-of-arrival estimates, in accordance with the spatial Nyquist sampling theorem.
按照耐奎斯特空间采样定理,阵元间距超过半波长将会带来方位估计的周期性模糊。
The results of sampling taken from in-situ of the model test show that constructing model by this design method is available; and the density and property of the model material are uniform and stable.
原位取样测试结果表明,按照这种方法设计制作的模型,最终能达到模型中同一类型材料所要求的密度整体相对一致的效果,从而提高了物理模型中材料力学性质的稳定性。
The results of sampling taken from in-situ of the model test show that constructing model by this design method is available; and the density and property of the model material are uniform and stable.
原位取样测试结果表明,按照这种方法设计制作的模型,最终能达到模型中同一类型材料所要求的密度整体相对一致的效果,从而提高了物理模型中材料力学性质的稳定性。
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