| 1. | Thus a completely numerical compute analysis method is established in fluid about vibrational radiation efficiency at full frequency
从而建立一套圆柱壳体在流场中振动声辐射效率在全频段的数值计算分析方法。 |
| 2. | The optional dimention of cfa is determined through simulation in cst mws with maximum radiation efficency ( including port absorb efficiency ) of antenna
在cstmws中以天线的辐射效率(包括端口吸收效率)最大为准则,确定cfa的最佳尺寸。 |
| 3. | The inventive antenna has a very even radiation field on the horizontal plane and is thus ideal for the radio transceiver used in mobile communications
本发明的天线结构具有宽频与辐射效率高的优点，适合应用于行动通讯之无线收发机。 |
| 4. | 6 ) the self - absorption of thz waves in doped zn0 . 95cd005te < 110 > crystals is the main factor which affects the generation efficiency of thz waves
对于不同掺杂的zll095cd005te 110单晶，晶体产生thz辐射效率不同的主要原因是晶体对thz辐射的吸收不同。 |
| 5. | The main parameters of mobile antenna , such as vswr , return loss etc . , are introduced . furthermore , the radiation problems by sar are considered in the chapter
论文第二章将考虑手机系统对天线的要求,介绍了天线的主要参数如vswr 、回波损耗和辐射效率。 |
| 6. | Then , the radiation efficiency at low frequency and frequency response at high frequency in fluid are computed respectively by both sysnoise software and autosea software
然后结合sysnoise软件和autosea软件分别计算壳体在流场中声辐射效率在低频段和高频段时的频率响应。 |
| 7. | The use of aperture coupled feeding widens the working band and increases the isolation . simultaneously , the application of round patch can upgrade the gain and radiation efficiency of the antenna
采用口径耦合馈电能够展宽带宽,提高隔离度,而采用圆形作为贴片形状可以提高天线的增益和辐射效率。 |
| 8. | Numerical analysis of vibration awl sound radiation efficiency from a submerged cylindrical shell has been carried out by using fem methods , bem methods and statistical energy methods
摘要利用有限元、边界元和统计能量分析方法并结合软件对圆柱壳体在流场中受激振动及声辐射效率作了数值计算分析研究。 |
| 9. | Results are presented for the sound radiation efficiency and power of the modes of the rectangular baffled plate subjected to simply - supported boundary conditions when the plate is excited by obliquely incident plane wave
通过计算，得到了嵌在无限大障板中简支板模型在斜波入射作用下的声辐射功率和辐射效率。 |
| 10. | Finally applies this structure in antenna , and gives a example of rectangular patch antenna . from the example , it can be observed that the high impedance surface can restrain the backwards radiation . 2
最后将这种高阻抗表面运用到天线上,给出了一个矩形贴片天线的仿真例子,从中观察到了高阻抗表面能抑制后向辐射,增强辐射效率的作用。 |
