High quality millimeter wave frequency source is the important component in the development of millimeter wave systems and application.
优质的毫米波频率源是毫米波系统与应用的关键部件,它的性能很大程度上决定了系统的性能。
The millimeter wave frequency with the advantages of the optic and the microwave exists between the frequency of them, and it's the perfect operation frequency of precision guidance weapon system.
毫米波的频率介于微波与红外频段之间,兼有二者的优点,是精确制导武器系统较为理想的工作频段。
In this thesis the signal processing of stepped frequency system which applied in the millimeter wave seeker is discussed particularly.
本文主要针对毫米波导引头频率步进体制的信号处理技术进行了研究。
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。
A scheme of optical millimeter (mm) wave based on orthogonal frequency division multiplexing (OFDM) generation have been proposed with theoretics and simulation in this paper.
该文提出了一个基于正交频分复用(OFDM)技术的毫米波产生方案。
A new phase noise estimate method for millimeter wave double PLL frequency synthesizer is presented.
提出了一种新的毫米波双环锁相源相位噪声估测方法。
Conclusion: Millimeter wave with a specific frequency can promote the repair of the injured spinal cord.
结论:毫米波能促进损伤脊髓的修复,毫米波疗法可能具有频率特异性。
Firstly, a two-dimensional servo-control driver circuit, which consists of PC and an embedded system, is designed based on the scanning requirement of the dual frequency millimeter wave radiometer.
第一,基于双频毫米波辐射计的扫描要求,设计了基于PC计算机和嵌入式系统道的两维伺服驱动电路,完成了扫描控制、通信协议和伺服驱动控制的软件设计。
From chapter three to chapter five, the three key components of the system: millimeter-wave phase locked sources, multiple frequency local source, low noise amplifier are designed and tested.
第三章至第五章分别介绍了毫米波锁相源、二倍频本振源和低噪声放大器三个系统关键的单元电路的设计过程和测试结果。
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。
The spread and compress of millimeter wave pulse frequency spectrum will happen in Doppler Effect during rain.
在降雨条件下,多普勒效应后毫米波脉冲频谱发生展宽和压缩。
As a subsystem of high-frequency front-end, millimeter-wave transceiver modules are the very important component of radar, navigation, electronic warfare and communications and other areas.
毫米波收发组件作为一个高频前端的子系统,是雷达、导航、电子战和通信等系统的一个重要组成部分。
In this dissertation, a low phase noise millimeter wave point frequency source is studied.
本文研究设计了一个低相噪毫米波点频源。
In chapter three, based on the theory analysis of the PLL, we point out the design and achievement of millimeter-wave frequency synthesizer, and briefly analyze the result of measure.
详细介绍了毫米波固态锁相源的设计思想、设计过程、实验测试,并对测试结果进行简单分析。
Waveguide-based spatial power combining project mainly focus on the problem of how to combine power inside the waveguide within the frequency bands of millimeter wave.
波导空间功率合成项目主要研究的问题是如何在波导内部进行毫米波频段空间功率合成放大。
With the frequency resources becoming more and more nervous in recent years, millimeter-wave technology as a high-tech field develops rapidly.
近年来随着通信频谱资源的日益紧张,毫米波技术成为迅猛发展的高新领域。
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。
However, the millimeter-wave images are inherently blurred, and some high-frequency components are missed in the process of sampling or scanning.
但是目前毫米波图像存在着分辨率低,模糊,高频分量缺失的不足。
The submillimeter wave plays a very important role between the infrared and millimeter wave in electromagnetic wave frequency spectrum. Therefore, it has important academic value.
亚毫米波在电磁波频谱中处于红外线与毫米波之间非常重要的位置,因此在学术上有很重要的研究价值。
Common test methods which can be used at millimeter-wave frequencies will be discussed and data will be shown with measured results on several different high frequency materials.
视频将讨论用于毫米波波段的常用测试方法并展示不同高频材料的测试结果数据。
Common test methods which can be used at millimeter-wave frequencies will be discussed and data will be shown with measured results on several different high frequency materials.
视频将讨论用于毫米波波段的常用测试方法并展示不同高频材料的测试结果数据。
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