2) nonuniform sampling
非均匀采样
1.
When two signals are sampled by nonuniform sampling,and the amplitude of one signal is above 10% smaller than that of the other,the weak signal cannot be detected from the mixed signal′s spectrum because of sampling′s fake-randomicity.
非均匀采样可以在对模数转化器件的采样频率要求较低的情况下,提取超出Nyquist采样定理限制的频率。
2.
In this paper, the conception of nonuniform sampling of wave-number-limited fonctions in N-dimentional euclideen space is discussed Insert functions and insert formulas of N-dimentional periodical nonuniforms sampling are deduced sampling laws of N-dimentional periodical nonuniform sampling are prove
介绍了Ｎ维欧氏空间波限函数非均匀采样的有关概念，推导了Ｎ维周期性非均匀采样的内插函数和内插公式，证明了Ｎ维周期性非均匀采样的采样定理。
4) nonuniformly sampling
非均匀采样
1.
A method to evaluate the sampling uniformity is presented,it deals with the nonuniformly sampling data acquisition systems.
该方法可以用来评价非均匀采样系统的采样均匀性。
2.
In order to reduce the computational quantity of the processing of the LFM signal in fractional Fourier domain and to meet the real-time request,a new nonuniformly sampling method is proposed.
为了减少分数阶Fourier域线性调频(LFM)信号处理的计算量,满足实时性要求,提出了一种新的非均匀采样方法。
5) Non-uniform sampling
非均匀采样
1.
Comparative analysis on rectangular non-uniform sampling algorithm and log-polar transformation algorithm of image;
矩形非均匀采样算法和对数级坐标变换算法的比较分析
2.
New methods and simulation for detecting low amplitude signals by non-uniform sampling;
非均匀采样下小信号检测的新方法及其仿真实现
3.
The non-uniform sampling in shift-invariant space;
平移不变空间的非均匀采样
6) low discrepancy
超均匀采样
补充资料：被动式大气采样器
分子式：
CAS号：
性质：无需动力，通过气体扩散采集气体污染物的一种采样装置。该采样品是根据气体扩散原理和选择吸收的特点设计而成的。其结构由三部分构成(见图示)。A：上盖。上面放置浸渍采样膜。B：圆环。为气体扩散通道；C：带孔下盖。放不锈钢网和聚四氟乙烯微孔滤膜。整个采样器可放入筒状套匣，作为贮备容器。适用于各种场所的空气监测之用；尤其在无动力供给的边远、山岭地区更为适用。采样周期可长达1～2个月。所得污染物为在采样时间区段内空气中的平均浓度。
CAS号：
性质：无需动力，通过气体扩散采集气体污染物的一种采样装置。该采样品是根据气体扩散原理和选择吸收的特点设计而成的。其结构由三部分构成(见图示)。A：上盖。上面放置浸渍采样膜。B：圆环。为气体扩散通道；C：带孔下盖。放不锈钢网和聚四氟乙烯微孔滤膜。整个采样器可放入筒状套匣，作为贮备容器。适用于各种场所的空气监测之用；尤其在无动力供给的边远、山岭地区更为适用。采样周期可长达1～2个月。所得污染物为在采样时间区段内空气中的平均浓度。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条