This invention is related to a micro-strip antenna, especially a coupling structure of a micro-strip antenna radiation unit and a filter.
本发明涉及微带天线，特别涉及微带天线辐射单元与滤波器的耦合结构。
The average American receives 360 millirems of radiation each year, 300 from natural sources and 60 from man-made activities. (a rem is a unit of radiation exposure.)
平均一个美国人每年要受到360毫雷姆(毫雷姆：核辐射量单位)的辐射，其中300毫雷姆来自自然界，60来自人类活动。
At one extreme, the scientists estimated fly ash radiation in individuals' bones at around 18 millirems (thousandths of a rem, a unit for measuring doses of ionizing radiation) a year.
在极端情况下，科学家估计浮尘的放射性在个人的骨骼中的积累可以达到每年18毫雷姆(千分之一雷姆，衡量电离辐射剂量的单位)。
They are employed in hospitals, cancer treatment centres, clinics and radiological laboratories. Medical radiation technologists who are supervisors or instructors are included in this unit group.
他们受雇于医院，癌症治疗中心，诊所和放射性实验室。医学放射技术专家主管或指导师也属于该项范围之内。
The small-size wide-band antenna (103) further includes a stub conductor (17) as an impedance matching unit for matching the impedance between the radiation element and the power supply means.
小型宽带天线（103）还包括作为在辐射元件和电力供应单元之间进行阻抗匹配的阻抗匹配单元的短截线导体（17）。
The antenna element has a ridge element unit (21) for adjusting antenna characteristic corresponding to a ridge portion and a radial element unit (22) for electromagnetic wave radiation.
天线元具有调整与脊形部分相对应的天线特性的脊形元单元(21)、和用于电磁波辐射的辐射元单元(22)。
The angular distributions of power and radiation enhancement factor strongly depend on the position of acoustic source relative to the unit-cell where the source is placed.
我们数值地研究了镶嵌在方形排列的声子晶体中声源的能量辐射角度分布。结果表明，能量辐射角度分布和增强因子强烈地取决于源相对于所处单胞的位置的对称性。
The invention relates to a heat radiator used for a power unit module, which comprises a mounting plate (1), a heat pipe (2) and heat radiation fins (3);
本发明涉及一种用于功率单元模块的散热器，包括安装板（1）、热管（2）和散热翅片（3）；
The invention relates to a heat radiator used for a power unit module, which comprises a mounting plate (1), a heat pipe (2) and heat radiation fins (3);
本发明涉及一种用于功率单元模块的散热器，包括安装板（1）、热管（2）和散热翅片（3）；
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