| 1. | Verification regulation of waveguide standard load at x - band
三厘米波导标准负载检定规程 |
| 2. | Verification regulation of waveguide thermistor mount for x - band
三厘米波导热敏电阻座检定规程 |
| 3. | The purpose is to escalate the centimeter - wave signal to ka - band trough multiplier and attain conversion gain
其要求是将厘米波信号通过倍频放大方式提高到ka波段，并获得有增益的倍频输出。 |
| 4. | Furthermore , there are complex structures such as the engine fans at the end of the inlets . it ' s hard to deal with such problems if we use high frequency method or low frequency numerical value method only
对于厘米波段雷达而言，进气道属于电大尺寸目标，其终端有涡轮叶片之类的复杂结构，单用高频近似法或低频数值法都难以解决。 |
| 5. | To compensate centimeter wave ' s shorting comings such as broad beam and short effective range , a transponder is added in the back of target automotive . this secondary radar measures range in the way of transponding
为了弥补厘米波波束大、作用距离不如毫米波的缺点，系统在目标车辆的尾部增加了一级转发器，以双机应答的方式测量车距。 |
| 6. | The design of millimeter - wave / centimeter - wave compatible absorbing coatings with double - layer structure is analyzed based on the theory of electromagnetic in this article and series of experiments are conducted according to the analysis
摘要以电磁理论为基础，对两层结构的毫米波厘米波兼容吸收涂层的设计方法进行了分析，并根据理论分析的结果进行了系列吸波涂层的实验。 |
| 7. | Millimeter - wave is close to the size of cloud particles , so millimeter - wave radar has now been constructed and operated for cloud observations . the ground - based 37 - ghz and 94 - ghz meteorological doppler radars have been the main implements to detect clouds
毫米波更接近云粒子的尺度，因此毫米波及短厘米波段雷达已被应用于云层的探测，地基37ghz和94ghz (多普勒)雷达已成为探测云垂直结构的主要工具。 |
| 8. | Focused on the realization in engineering practice , this paper discussed automotive anticollision radar ' s function requirement , working principle and system design . through summarizing and analysis of its research and development , the paper proposes a new type of secondary centimeter wave automotive anticollision radar that applied on the expressway
本文以现有技术的可实现性为出发点，讨论了汽车防撞雷达的性能要求、工作原理和总体设计等相关问题，总结了国内外汽车防撞雷达的研发状况，在此基础上设计了一种应用于高速公路上的应答式厘米波汽车防撞预警雷达。 |
| 9. | It is shown that good performance on millimeter - wave and centimeter - wave can be achieved respectively by electric loss and magnetic loss , then through improving the impedance matching between layers compatible absorbability will be obtained on the whole by double - layer structure letting the centimeter - wave absorbing layer be the inner layer and the millimeter - wave absorbing layer the outer layer
理论分析和实验结果表明，先分别以电损耗和磁损耗为主，采用单层结构分别对毫米波和厘米波实现较好的吸收，然后以厘米波吸收层作为内层，以毫米波吸收层作为外层，并进一步改善内外层之间的阻抗匹配，利用两层结构可以对毫米波和厘米波实现较好的兼容吸收。 |
| 10. | Considering that : ( 1 ) radar can achieve its basic application of collision avoidance and warning with the only function of ranging ; ( 2 ) under high speed conditions , radar should have lager effective range than that under slow speed , we designed a new easily realizable automotive anticollision radar , which employs centimeter wave and square pulse amplitude modulation
考虑到： （ 1 ）核心的测距功能实现以后，雷达已经能够完成基本的防撞预警； （ 2 ）在汽车高速运行的情况下，防撞雷达的最小可测距范围和最大作用距离应比低速状态下大。本文采用了技术成熟，易于工程实现的厘米波脉冲雷达，以单波束辐射的方式测距。 |
