您要查找的是不是：
- Frequency selecting amplifying 选频放大
- frequency selecting amplifier 选频放大器
- The superficial layers are often frequency selective to transmission. 表层传播一般都有频率选择性。
- frequency selected amplifier 选频放大器
- frequency selective amplifier 选频放大器
- By selectively amplifying key neural signals, these receptors help the brain respond to some messages and ignore others, thereby facilitating mental focus and attention. 这些受体将重要的神经讯号做选择性的放大，可帮忙大脑反应某些讯息，而忽视其他的，因此促进注意力的集中。
- The core part of the circuit is differential and frequency selection. 电路核心部分由微分电路和选频电路组成。
- We get finally a multilayered LTCC three-stage bandpass filter with a small size and high frequency selectivity. 通过上述场与路相结合的设计方法，获得了尺寸小、频率选择特性好的多层LTCC三级带通滤波器。
- It is characterized by good frequency selectivity, low insertion loss and high attenuation of specified frequency. 它具有频率选择性好，通带插损低，对陷波频点抑制较高的优点。
- Frequency selective surface (FSS) is a two-dimensional periodical structure and used mostly in the filter. 频率选择表面(FSS)是一种具有二维周期性结构的滤波结构,主要在滤波器上使用。
- Jakes frequency selective fading channel model complete source code, has been tested. (译)：杰克斯频率选择性衰落信道模型的完整的源代码，已经过测试。
- frequency selecting surface (FSS) 频率选择表面（FSS）
- voice frequency selecting system 音频拨号制
- A novel design method for frequency selective surfaces(FSSs) in application of a double curved streamlined radome is presented in this paper. 提出并发展了一种适于任意双曲率曲面雷达罩的FSS设计方法。
- In order to realize wideband filtering properties of frequency selective surface (FSS), FSS of closely packed elements is presented. 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。
- The generator of adaptive FH pattern is designed.By using it and the result of the LQA, adaptive frequency selection is accomplished. 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。
- In this paper an effective manner to minimize RCS of radar system-Y shape sloted frequency selective surface (FSS) is presented. 为此，本文提出了一种有效的减小雷达天 线RCS的方法--Y形缝隙频率选择表面（FSS）。
- This paper presents a theoretical study of the tunability of frequency selective filter extended cavity semiconductor lasers. 本文分析选频滤波器负载外腔半导体激光器的调谐特性。
- Study on the application of frequency selective surface (FSS) to the design of composite microwave absorbers was presented. 摘要对频率选择表面(FSS)在复合吸波材料设计中的应用进行了研究。
