采样

O. Vermeer, and discuss high density spatial sampling technology from the point of view of wave field continuity.

Vermeer提出的对称采样原理，从波场连续性的角度探讨了高密度空间采样技术。

In this paper a probability guided Random Sample Consensus algorithm is proposed in order to improve the computational efficiency of the traditional Random Sample Consensus.

为了提高随机采样一致性算法的计算效率，提出一种概率引导的随机采样一致性算法。

Small signal equivalent circuit analysis shows that the small signal output resistance in the accurate proportional current sampling mode circuit is much larger than that in a traditional proportional current sampling mode circuit, and circuit stability could be assured.

通过电路的小信号模型分析，得到精密比例采样模式的小信号等效输出电阻远大于传统比例采样模式，同时保证了系统的稳定性。

Circuit simulation and chip testing results show that when the LED driving current is 350 mA and the power supply is 6 V with ±10% variation, the stability of the output constant current of the accurate proportional current sampling mode LED driving IC will show 41% improvement over that of a traditional proportional current sampling mode LED driving IC.

经电路仿真及流片测试，表明当LED驱动电流为350mA，电源电压6V并正负波动10%时，改进的精密比例采样模式LED驱动电路比传统比例采样模式LED驱动电路的恒流特性稳定度提高了41%。

This quadrature approach is of theoretical and practical value for the application of Radar and EW.

该正交采样技术利用多速率信号处理方法，可对ADC基带采样率内的任意带通信号得到其调制复包络输出，并具有很好的镜像抑制，在雷达和电子对抗信号处理中具有其实际的理论和应用价值。

A fire\|new theory for periodic or quasi\|periodic signal sampling is proposed,w hich is especially for sampling high\|frequency wideband periodic or quasi\|peri odic signal by low sampling rate system.

涉及一种周期或准周期信号的采样技术，特别适用于低频采样系统采集高频宽带周期或准周期信号。

The basic idea is to divide an image into two descriptions with quincunx down-sampling. To tackle the problem of low coding efficiency in the traditional spatial domain multiple description image coding techniques, we propose a directional lifting technique to extensively exploit the correlations among neighboring pixels, in which the lifting directions are selected and organized based on the quad-tree partition.

基本思想是在空域将一幅图像按梅花形下采样为两个描述，为解决传统空域下采样多描述编码技术编码效率低的问题，提出能充分利用相邻像素相关性的方向提升小波变换，并通过四叉树的分割实现方向的组织和选择。

All phase IDCT interpolation filter was a pure 2-D filter which could convert between quincunx sampling grid and square sampling grid directly,while all phase extended DCT interpolation filter could restrain the Gibbs effect of FIR filters.

其中全相位IDCT内插滤波器是纯二维滤波器，且能够直接实现五点梅花形采样矩阵与矩形采样矩阵之间的转换。而全相位延拓DCT内插滤波器能够有效地抑制FIR滤波器的吉布斯效应。

All phase IDCT interpolation filter was a pure 2-D filter which could convert between quincunx sampling grid and square sampling grid directly, while all phase extended DCT interpolation filter could restrain the Gibbs effect of FIR filters.

其中全相位IDCT内插滤波器是纯二维滤波器，且能够直接实现五点梅花形采样矩阵与矩形采样矩阵之间的转换。

Straightforward techniques for spatial domain digital video editing of compressed video via decompression and recompression are computationally expensive.

讨论了如何在压缩域直接将4：2：2采样结构的MPEG码流转换为4：2：0采样结构的码流。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。