In the millimeter band, the variations are found of the power density of the rain clutter induced by back scattering with frequency and rain rate.
在毫米波段计算了雨区的后向散射引起的雨杂波功率密度随频率及降雨率的变化。
An example for measuring the conversion loss and noise temperature of mixers in millimeter wave band by using the noise measurement method is discussed in this paper.
讨论了一种利用噪声测量的方法来确定毫米波段混频器的变频损耗和噪声温度的一个实例。
The non - atmospheric window millimeter wave refers to the atmosphere which weakens the serious millimeter wave's band.
非大气窗口毫米波波段是指大气衰减严重的毫米波波段。
We have researched the integration oscillator working at millimeter wave band.
本文开展了毫米波集成振荡源的研究工作。
The millimeter wave (MMW) Inter-pulse stepped frequency radar is a type of wide-band high-range-resolution radar.
毫米波脉冲频率步进雷达是一种宽带高距离分辨率雷达。
This kind of switch has small cubage and high dependability. it is easy to integration, and has wide foreground in millimeter - wave band.
这种开关体积小、可靠性高且易于集成，在毫米波段有广阔的应用前景。
A high performance Q-band monolithic HEMT transceiver chipset has been developed for millimeter-wave commercial digital radio systems.
一种高性能的Q波段单片HEMT收发芯片已改进用于毫米波商用数字无线电系统。
The millimeter-wave band automotive collision warning radar, which has been developing all over the world, is an important part of vehicle safety system.
毫米波汽车防撞雷达是目前国内外正在研发的汽车安全系统的重要组成部分。
Two high Q bandpass filters at millimeter wave band based on Substrate Integrated Waveguide(SIW) and Low Temperature Co-fired Ceramics(LTCC) are designed in this thesis, and one is realized.
本文主要讲述了基于介质集成波导（SIW）技术和LTCC工艺的毫米波频段高Q滤波器的研制。
When the millimeter wave band pulse propagates through rain medium, it changes the spread and compress, and it also delays.
毫米波脉冲通过雨介质时会发生展宽和压缩，脉冲延时。
It has considerable application prospects and can be widely used in navigations and high-power solid-state source of civil electronic equipments on millimeter wave band.
其应用前景十分广阔，可以广泛应用于导航以及民用电子设备的毫米波频段大功率固态源上。
The fast wave device gyrotron is base on the radiation theory which is excitated by electrons cyclotron resonance. Its frequency is very high especially at the millimeter and sub-millimeter wave band.
回旋管是一类基于电子回旋谐振受激辐射机理的快波器件，工作频率范围宽，特别是在毫米和亚毫米波段，能产生高脉冲峰值功率与连续波功率。
At millimeter-wave band, Fresnel Zone Plate (FZP) antenna has the advantages of simple structure, planar configuration and low cost, while giving performance comparable to the parabolic antenna.
在毫米波波段，菲涅尔区相位修正平面（FZP）天线以轴向尺寸小、平面化结构、加工简单的优点，可以作为传统反射面天线的替代天线。
Therefore, the frequency synthesizer works in millimeter wave band is mostly designed and realized by the way of indirect phase lock frequency synthesis, based on specific integrated circuit.
广泛采用的直接数字式频率合成方法，却面临输出频率上限难以提高和输出杂散的难以抑制两个难题。
Therefore, the frequency synthesizer works in millimeter wave band is mostly designed and realized by the way of indirect phase lock frequency synthesis, based on specific integrated circuit.
广泛采用的直接数字式频率合成方法，却面临输出频率上限难以提高和输出杂散的难以抑制两个难题。
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