不使用自动频率选择功能时，调出已登记的频率。
Calling a registered frequency when the Automatic frequency Selection function is not used.
介绍了CIR混合动态频率选择（DFS）算法。
本文用谱域方法研究了频率选择表面(FSS)的散射特性。
In this thesis, Spectral method is used to analyse the scattering characteristic of Frequency Selective Surfaces (FSS).
对电阻贴片频率选择表面(FSSR)的吸波性能进行了研究。
The microwave absorbing performance of frequency selective surface with resistance patch (FSSR) was analyzed in this paper.
利用频率选择表面（FSS）代替普通金属面构成选频反射面隐身天线。
By means of frequency selective surface (FSS) instead of metallic surface, a stealthy reflector antenna with small radar cross section (RCS) is constructed.
不使用自动频率选择功能时，调出已登记的频率。该例调出01频道的频率。
Calling a registered frequency when the Automatic frequency Selection function is not used. This example calls a frequency channel 01.
通过引入广义波导概念，可以统一分析单元形状为任意的多层频率选择表面。
By introducing an idea of generalized waveguide, a unified treatment of multilayer FSSs with element of arbitrary shape is realised.
该滤波器在通带附近有一对传输零点，具有良好的频率响应以及频率选择特性。
The filter has a pair of transmission zeros around the passband, excellent frequency response and frequency selectivity.
设计并加工了一种降低机载雷达天线散射载面的频率选择表面极化扭转板结构。
Finally, an assembling structure of frequency-polarization selective surface is designed and manufactured to reduce radar cross section of airborne radar antenna.
设计了自适应跳频图案发生器，利用信道质量评估结果，完成了自适应频率选择。
The generator of adaptive FH pattern is designed. By using it and the result of the LQA, adaptive frequency selection is accomplished.
采用模匹配技术对带通型频率选择表面进行分析，其中单元内的场用有限元法解出。
In this paper, band pass frequency selective surface was analyzed by mode matching technology.
给出了一种分析有介质加载的不同栅格外形双层频率选择表面电磁特性的数值模拟方法。
A numerical simulation approach analyzing electromagnetic characteristics for dielectric-loaded double-layer frequency selective surfaces (FSS) with dissimilar lattice geometries is presented.
使用频率选择滤波方法在频域设计反馈控制器，对每个干扰频率，仅需调节两个实系数。
Frequency Selective Filter (FS f) is utilized to design feedback controller in frequency do-main. For each disturbance frequency, there are only two real coefficients to be tuned.
扫描采样率对成像质量至关重要，可通过驱动信号的频率选择和图像采集时间的设定来控制。
The scanning sampling density crucial to imaging quality can be deliberately controlled by setting of the driving frequencies as well as fetching duration.
为了实现频率选择表面(FSS)的宽带滤波特性，本文给出了单元紧密排布的FSS结构。
In order to realize wideband filtering properties of frequency selective surface (FSS), FSS of closely packed elements is presented.
研究了由随机分布的电阻薄膜构成的频率选择表面(FSS)对复合材料电磁波吸波性能的影响。
In this paper, frequency selective surfaces (FSS) with random distributed resistive film patch has been proposed, and the effects on composite absorbing material with the FSS have been studied.
与传统的频率选择表面相比，提出的新型频率选择结构具有易于调节频率选择特性且易于实现的优点。
Compared with traditional frequency selective surface (FSS), the novel frequency selective structure has the advantages of easy implementation and tuning.
AD 1896-(类比装置)为它的低点膺造的明暗，低的扭曲和例外地低的PLL角落频率选择。
AD1896 (Analog Devices) - selected for its low spurious tones, low distortion, and exceptionally low PLL corner frequency.
最后介绍了分选预处理器在电子战中的三种应用：威胁信号检测、无用信号滤波和脉冲重复频率选择滤波。
At last, the paper also presents three different applications of the sorting processor to electronic warfare: detection of threating signal, filtering of useless signal and PRF selection filtering.
介绍了一种在航空制造和卫星通信领域用于复杂频率选择表面加工的机器人数字化加工系统(RDMS)。
A robot digital machining system (RDMS) used to machine complex frequency selective surfaces (FSS) in the aerospace manufacturing and satellite communications is introduced in this paper.
提出了一种研究不同栅格及单元外形并有介质加载的双层频率选择表面（FSS）电性能的理论分析方法。
A theoretical approach analyzing electrical performance for dielectric loaded du al-layer Frequency Selective Surface (FSS) configuration with dissimilar lattice and element geometries is proposed.
在同一个滤波器中同时使用源端负载端耦合和多模腔融合技术，使滤波器的频率选择斜率和阻带性能得到改善。
The slope selectivity and the stopband of the filters are further improved by utilizing a combination of source-load coupling and over-moded cavities in the same filter.
频率选择表面（FSS）是具有选择频率功能的一块金属周期结构，它可以被设计成低通、高通、带通、带阻滤波器。
A frequency selective surface (FSS) is a metallic periodic structure with frequency selective properties. Depending upon design, it may be low-pass, high-pass, band-pass, band-stop filter.
该设计将是一台工作稳定、高性能、体积小、易调谐、接收灵敏度高、参考频率选择灵活、可实现自动搜台的调频收音机。
The design will be a stable work, high performance, small volume, easy tuning, high receiving sensitivity, frequency reference selection is flexible, can realize the automatic searching FM radio.
介绍了用滤波器组重构多阶采样信号的原理，并且利用多阶采样特殊的重构原理以及在降低采样率上的优势，介绍了多阶采样在频率选择上的应用。
By using the special reconstruction principle and the superiority in decreasing sampling frequency, the application of periodically nonuniform sampling in frequency selection is also presented.
文中在衬底介质参数的变动下，对一系列FSS反射系数进行了有效计算，计算结果表明了介质衬底的电磁各向异性特性对FSS频率选择特性的影响。
A series of FSS with different medium parameters are computed efficiently, These results reflect the influence of the electrical and magnetic anisotropy on the electromagnetic characteristics of FSS.
对此系统的超声振动单元结构及原理进行了分析，阐明了应用中的关键技术点——频率选择，并通过实验验证了超声振动对于减小细胞在切剖中的变形和损伤是非常有效的。
It introduces the structure and principle of the ultrasonic vibration unit, analyzes how to choose the work frequency, and proves that it is valid and feasible by cow ovum cutting experiment.
对此系统的超声振动单元结构及原理进行了分析，阐明了应用中的关键技术点——频率选择，并通过实验验证了超声振动对于减小细胞在切剖中的变形和损伤是非常有效的。
It introduces the structure and principle of the ultrasonic vibration unit, analyzes how to choose the work frequency, and proves that it is valid and feasible by cow ovum cutting experiment.
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