本文主要介绍利用谐波混频技术设计的X波段频率合成器。
An X-band frequency synthesizer designed with harmonics mixing technology is presented.
介绍一种低相噪、捷变频x波段频率综合器设计方法,并进行理论分析、计算,最后给出测试结果。
A design method for low phase noise agile X-band frequency synthesizer is presented, the theoretic analysis and calculation is performed and the test results are given.
同时可以通过改变波段的频率以避免信号间的相互干扰,以便更多的频段能够得到使用。
The frequency of the wave can be changed so that signals do not interfere with one another, allowing more of the spectrum to be used.
因为K波段比x波段高2.5倍,由干扰产生的多信道信号频率也要高2.5倍,这极大改善了对慢速和快速移动目标的探测。
Since K-Band frequency is 2.5 times higher than X-Band, the multipath signal generated by an intruder is also 2.5 times higher, vastly improving detection of slow and fast-moving targets.
它可以接收Ku波段信号,频率范围10.7 ~ 12.75GHz,通过使用一个外部10MHz参照物改进频率的稳定性。
It receives Ku frequency band signals from 10.7 through 12.75 GHz with improved frequency stability by using an external 10 MHz reference.
这种通迅联系要靠21厘料波段,即每秒1420兆周的精确无线电频率。
This depends on the precise radio frequency of the 21-cm wavelength, or 1420 megacycles per second.
立体声道配置以同样的方式,但有固定频率4波段均衡器(蓝色)。
Stereo channels are configured in the same way, but with a fixed-frequency 4-band eq (blue).
首先,有一个波段的参数均衡器调节频率,增益和带宽。
First, there is one band of parametric eq with adjustable frequency, gain and bandwidth.
本文首先从杂波抑制着手,研究X波段测高雷达脉冲重复频率的设计,在此基础上设计一种解距离模糊的展开算法。
This paper studies the design of pulse repetition frequency of an X-band height-finding radar for clutter suppression and presents an algorithm for fuzzy distance solution.
ADSL是DSL技术的一个分支,同样也是使用普通电话线路来传输数据,但它使用的频率要比语音波段高。
ADSL is a branch of DSL technology, but also the use of ordinary telephone lines to transmit data, but it is used in high frequency band than the voice.
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。
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.
广播电视使用的频率范围宽的操作在VHF和UHF波段随着各种数字电视标准。
Broadcast television utilizes a wide range of frequencies of operation in the VHF and UHF bands along with a variety of digital TV standards.
产品范围包括天线具有广泛的频率单、双、多波段的应用。
The product range includes antennas for a wide range of frequencies for single, dual and multi band applications.
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 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.
由于考虑了辐射效应和高次模的影响,测量频率范围成功地扩展到了X波段。
By considering the influence of radiation effect and higher order modes, the measurement frequency range has successfully extended to X-band.
给定一个基本的XTAL频率,它显示在HAM波段内所有可能的频率。
Given a base XTAL frequency, it shows you all possible frequencies within HAM bands.
目标频率由一组分立的亚波段组成,通过电容阵列来控制。
The desired frequency is tuning is accomplished by discrete tuning curve among a group of frequency sub-bands through capacitor array.
并对由各模块级联而成的W波段相参频率源进行了测试。
The performance test of W-band coherent frequency synthesizers is shown at last.
根据工作频率来分,RFID系统可以分为低频,高频,超高频和微波四个波段。
In terms of operation frequency, RFID systems can be divided into four categories: low frequency (LF), high frequency (HF), ultra high frequency (UHF), and microwave.
用X波段的实验模型测量了波束指向与频率的关系,测量结果与理论计算值符合得很好。
The experimental results at X-band for the radiation anglt agree well with the theory.
W波段相参频率源技术研究中,主要是实现相参频率源所需要的各个模块方案的选取,各个模块的设计、加工与测试。
The research on W-band coherent frequency synthesizers is mainly about scheme chosen, development and test of the components, which constitute coherent frequency synthesizers.
针对一个汽车音响收音数字调谐系统的实例,介绍了一种广播用双波段锁相环频率合成芯片的设计方法。
The phase locked loop (PLL) frequency synthesizer for digital tuning system(DTS), which is used in DTS of car radio receiver, is presented.
接收机的每个通道都由高频放大器、中频放大、中频采样、数字正交器组成,另外还有DDS信号产生和频率激励源用来形成雷达发射机所需的S波段脉冲调制激励信号。
Each of them is composed of high frequency amplifier, intermediate frequency amplifier and sampling, digital phase uprightness intersector, DDS and the S band signal inspirator for the transmitter.
如上所述,第一导体102基本上在1900MHz及2400 MHz间、第一频率子波段谐振,这样整个高波段由两个天线所覆盖。
As discussed above, the first conductor 102 resonates substantially between 1900 MHZ and 2400 MHZ, the first frequency sub band, such that the entire high band is covered by both antennas.
目前,该波段的全固态激光光源主要是利用频率变换技术,通过倍频、和频、受激拉曼频移的方法来获得。
Presently, an all-solid-state laser in this spectral range was obtained by frequency conversion, such as frequency-doubling, sum frequency, stimulated or Raman frequency-shifted.
在该示例性实施例中,第二导体104在第二频率子波段中谐振,该第二频率子波段具有基本上1500MHz到1900 MHz带宽的带宽。
In this exemplary embodiment the second conductor 104 resonates in the second frequency sub band that has a bandwidth substantially of 1500 MHz to 1900 MHz bandwidth.
第二章一种X波段微波倍频器的设计,我们采用了多级倍频的方式得到输出频率。
Chapter 2, we design a kind of X-band doubler , introduce a kind of multiple doubler , and that is realized step by step, in this thesis, we adopt 22432 to get microwave output.
Ka波段分割-启用和禁用超宽Ka波段的某些频率段,只有专家检测用户应更改这些设置的能力。
Ka band segmenting - the ability to enable and disable certain frequency segments of the SuperWide Ka band. ONLY expert detector users should change these Settings.
Ka波段分割-启用和禁用超宽Ka波段的某些频率段,只有专家检测用户应更改这些设置的能力。
Ka band segmenting - the ability to enable and disable certain frequency segments of the SuperWide Ka band. ONLY expert detector users should change these Settings.
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