The diffraction effect is the phenomenon of wave propagation into shadow region.
衍射则是电波绕射传播到遮蔽区的现象。
Two CCD elements were designed specially in receiving part so as to resolve problems on measurement shadow region.
为了解决测量死区的问题，在信息的接受部分设计了两个CCD元件。
The recognition results show that 40 features are effective on the target region and is not useful on the shadow region.
最终识别结果是：图像中目标区域的40个特征组合可以达到较高的识别概率，而阴影区域的40个特征组合的识别概率比较低。
In this model, the noise field in sound shadow region is deduced by applying Huygens-Fresnel principle. It provides a new ideal for deducing the diffraction sound of complicated…
模型中对声影区的声场分布采用惠更斯-菲涅耳原理进行推导计算，给出的理论计算公式可为推导计算其它复杂声源的衍射声提供借鉴。
But BP's disastrous oil spill in the Gulf of Mexico has cast another dark shadow over the region.
但是BP公司在墨西哥湾灾难性的漏油事件给该地区带来了另外的麻烦。
U OK, so we're going to call U the shadow of my region instead.
所以我将把阴影区域叫做。
dz But, if you do dz first, then the inner bounds are given by bottom and top, and the outer ones are given by looking at the shadow of the region.
如果你先处理，那么内部的边界就被底部和顶部给定，并且外部的边界也可以通过观察这个区域的阴影得到。
Aliens, if they exist, are most likely to live along the line between shadow and light, a temperate region known as the terminator, the scientists said.
“如果上面真有外星人，他们可能会住在昼夜分割线附近，这样就可以随意穿梭于黑夜与白昼之间了。”某科学家如是说。
This changed last month, when NASA shot a satellite into a permanently Shadowed region on the Moon's surface, throwing a plume of material containing water up out of the shadow.
但上个月情况发生了变化，当美国航天局向月球恒久背阴面发射了一颗卫星，撞击产生的一缕尘埃里就有水分。
Sunderland are Poland. They have had to live in the shadow of their bigger neighbours, but are finally emerging as a new power in the region.
桑德兰是波兰。他们曾经生活在更强的邻人的阴影中，但是最终成为了这一地区的新势力。
Moscow's shadow remains long, but the region has cause for joy.
莫斯科的阴影依然不散，但是这些地区仍有理由欢呼雀跃。
Based on the color-based and model-based shadow detection methods, a fast coarse model shadow detection method is presented according to the moving region.
结合基于颜色和模型的两种检测方法，提出一种基于移动区域的快速粗模型阴影检测方法。
Today, the region breathes in the shadow of China.
今天，这一地区生活在中国的阴影之下。
The former first eliminate the shadow of moving objects, and then extract shape invariant moment characteristics of object's whole region and identify them by a BP neural network.
前一种方法是在去除目标影子的前提下，提取运动目标整体形状的不变矩特征，然后利用BP人工神经网络进行目标的识别。
By the process of moving area detection, yawp elimination, object detection based on connected region label, shadow elimination, the whole vehicle targets area is obtained.
通过运动区域检测、噪声去除、连通单元标记、目标提取、阴影检测等处理，能获取完整的车辆目标区域。
Then filter the region of interest based on the symmetry, the shadow and the edge of the car and narrow the region of interest even more.
接着基于车辆的对称性特征，阴影和边缘特征对兴趣区域进行过滤，进一步缩小感兴趣区域；
It is also evident, from Area light and its shadow. than that this transition region is smaller next to the shadow casting object and grow larger far away from it.
我们也能很清楚地看到这个过渡区域在靠近阴影投射物体物体时较短，远离时较长。
It is also evident, from Area light and its shadow. than that this transition region is smaller next to the shadow casting object and grow larger far away from it.
我们也能很清楚地看到这个过渡区域在靠近阴影投射物体物体时较短，远离时较长。
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