The theory and technique are suitable for the power combiner operating in centimeter or millimeter wave. 文中给出的理论和技术适用于厘米波和毫米波波导腔合成器。
The modules include six parts: a centimeter wave signal, which power is 4 dBm and frequency is 3.4 GHz, was multiplied by FET. And then it was filtered and amplified by FET. Finally, we get a signal of 6.8 GHz. 该组件由6部分组成:一功率为4dBm,频率为:3.4GHz的厘米波信号先经FET倍频,然后滤波、FET放大,得到一6.8GHz的信号。
Fe cluster absorbing material has good effect in 14~ 17GHz wave band for centimeter wave radar, while foil cloud has preferable interferential capability in 8~ 11GHz wave band. Fe团簇材料对14~17GHz波段厘米雷达波有良好吸收效果。箔条云对8~11GHz波段衰减较强。
Based on chirality electromagnetism theory, the models of intrinsic chirality and screw structure which making carbon nanotubes wave-absorption in millimeter to centimeter wave band has been presented. 根据手性电磁理论,碳纳米管的本征手性模型和螺旋结构模型会产生毫米波段或厘米波段的吸收。
Millimeter wave radar has had its peculiar advantages as compared with centimeter wave radar at working frequency, antenna, atmospheric transmission features and tracking precision. 毫米波雷达与微波雷达相比,在工作频率、天线、大气传输特性和跟踪精度等方面均有其独特的优点。
The analysis and computation show that folded waveguide circuit is available as slow wave structure for broadband high power TWT in short centimeter and millimeter wave range. 分析和计算表明,该电路很适合用作短厘米波和毫米波大功率行波管的慢波结构。
With the appearance of advanced detector such as infrared detector, meter-band radar, centimeter-band radar and laser radar, multi-band stealth compatibility including meter wave, centimeter wave, infrared, laser is the development trend of stealth technology. 随着红外探测器、米波雷达、毫米波雷达、激光雷达等先进探测设备的相继问世,隐身材料正朝着兼容米波、毫米波、红外、激光等多波段隐身的多频谱方向发展。
The main content of the papers and preliminary results are as follows: ( 1) This research analyze the detecting characteristics of the millimeter wave radar, it is found that compared to the centimeter wave radar, millimeter wave radar has a lot of the advantages. 论文的主要内容和研究结果如下:(1)分析了毫米波测云雷达的探测特点。
Meter wave, decimeter wave, centimeter wave have been applied more and more widely. 米波,分米波,厘米波段已经能够得到越来越广泛的应用。
Radar operating frequency has developed from decimeter wave bands and centimeter wave bands to millimeter wave bands. 雷达的工作频率也从分米波、厘米波发展到毫米波波段。
Particular interests have been arisen in InN semiconductor, owing to its superior electronic transport characteristics to other Ill-nitride semiconductors that suggests there may be distinct advantages offered by using InN in high frequency centimeter and millimeter wave devices. 在Ⅲ族氮化物半导体中,InN具有优异的电子输运性质,在高频厘米和毫米波器件应用上具有独特的优势,这些特性引起人们对InN的极大兴趣。