| 1. | At high frequencies the current at the collector lags by 90deg
在高频段，集电极电流滞后90度。 |
| 2. | Acoustic parameters measurement of viscoelastic material in median and high frequency
中高频段下的粘弹性材料声学参数测量 |
| 3. | Very high frequency vhf
甚高频段 |
| 4. | The dimension of target in resonance region is similar with the hfswr wavelength
处于高频段的雷达目标其尺寸可以和雷达波长相比拟,即目标通常处于谐振区。 |
| 5. | Helical - scan video tape cassette system using 8 mm magnetic tape 8 mm video . part 3 : high - band specifications for hi 8
使用8 mm磁带及8 mm录像带的螺旋扫描盒式录像带系统.第3部分: hi 8用高频段规范 |
| 6. | With the application of hfswr in national defense , people focus the investigation of the methods of target identification in high frequency section
随着高频地波雷达在国防工业上的应用越来越受到重视,对于高频段雷达目标识别方法的研究也成为人们研究的重点。 |
| 7. | 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。 |
| 8. | For bowtie antennas , this method can produce a better return loss in the higher frequency band than the original ones , and at the same time , the radiation pattern bandwidths of the new antennas can be broadened more or less
对蝴蝶结天线而言,应用这种方法得到的蝴蝶结天线在高频段比原天线具有更好的反射损耗,天线的方向图带宽有不同程度的扩展。 |
| 9. | The roughness of wyko and afm measuring are 0 . 73nm and 0 . 56nm in rms value respectively , in both primary and secondary mirrors , and will severity reduce the schwarzschlid optics throughput and the contrast of the image
73urn ） sm ， wyko检测结果）波纹度和高频段的0 56urn （ ms ， afm捡测结果将严重影响schwarzschild微缩投影物镜的成像对比度和传输效率。 |
| 10. | Short wave is used for wireless communication which the wavelength is from 10m - 100m . in fact , the high frequency part of medium wave usually belongs to short - wave band . so many short wave communication equipments ’ band was extended to 1 . 5 - 20mhz
实际上,许多人也把中波的高频段( 1 . 5 - 3mhz )归到短波波段去,所以现有的许多短波通信设备,其波段往往扩展到1 . 5 - 20mhz 。 |
