文中根据变分公式，计算新型背腔微带贴片天线的散射场。
In this paper, we computing scattering of new-style cavity-backed microstrip patch antenna based on a variation formulation.
该天线满足电讯设计需求，且避免采用接地板背腔开工艺孔的方法。
The antenna can meet the microwave design and avoid the drilling holes in ground plate.
在此基础上，对背腔式分形微带贴片天线的电磁散射特性进行了计算和分析。
Then, a number of numerical results for microstrip fractal patch antennas residing in a cavity are presented.
该天线由含有背腔结构的盘锥天线、盘锥顶盘与地板之间的短路结构、以及多板天线三个部分复合而成。
The antenna is composed of three antenna parts: the cavity-backed discone antenna, the short-circuited structure between the top plate of the discone and ground, and the multi-plate antenna.
针对超高频机载合成孔径雷达天线小型化、高增益和宽频带的问题，分析了短背射天线缩小背腔的增益损失。
To meet the requirements of miniaturization, high gain and wideband of UHF antenna for aircraft SAR, the gain loss produced by narrowing back cavity of short back radiation antenna is analyzed.
膜翅的背腹壁之间也具有内腔和皮细胞，并充满油脂腺（经分析是棕脂肪细胞腺）及其分泌物。
There are cavities in the hymenoptera which are full of the brown fat glands and their secretion.
假设桨叶以高速旋转进入、离开水面，叶背充满空泡，随边后空泡腔延伸到水面。
It is assumed that the blade of the partially submerged ventilated propeler enters and exits from water at high speed.
目的：评估腔静脉成形术在背驮式肝移植（POLT）中的应用效果。
To investigate the effect of venacavaplasty in piggyback orthotopic liver transplantation(POLT).
本文还研究了带空腔的吸声覆盖层在各种背衬和不同腔型下的声反射特性，分析了结构对其的影响。
The acoustic reflection characteristics of the underwater anechoic coating with cavity are researched in different backings and cavity types, and effects of structure are also analyzed.
所有大鼠首先行蛛网膜下腔置管，然后在相当于T8椎板水平用做好标记的显微剪刀剪断脊髓的背侧2/3，建立大鼠皮质脊髓束横断损伤模型。
All rats first line of subarachnoid catheter, then the equivalent of T8 vertebral level and marked with micro scissors cut the spinal cord dorsal 2/3 rat corticospinal tract transection injury model.
将背压工艺应用于泵体成形过程，使得材料在成形过程中三相受压，从而获得优于未加背压时的型腔充满度和最大载荷。
Applying inverse pressure technology to the forming process of a pump body, which results in the situation that the material is compressed from three orth...
将背压工艺应用于泵体成形过程，使得材料在成形过程中三相受压，从而获得优于未加背压时的型腔充满度和最大载荷。
Applying inverse pressure technology to the forming process of a pump body, which results in the situation that the material is compressed from three orthogonal...
将背压工艺应用于泵体成形过程，使得材料在成形过程中三相受压，从而获得优于未加背压时的型腔充满度和最大载荷。
Applying inverse pressure technology to the forming process of a pump body, which results in the situation that the material is compressed from three orthogonal...
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