网站按在低频带或高频带的环境中都可良好运行而设计。
The site is designed to perform well in either low or high bandwidth environments.
这种技术可以有效的对抗多径衰落以及提高频带利用率。
It can both effectively combat multipath fading and improve bandwidth efficiency.
高频带通滤波器（几百MHz）用于电 话中心局的信道选择。
High-frequency band-pass filters(several hundred MHz) are used for Channel selection in telephone central offices.
针对跳频通信系统，提出一种非相干的，高频带利用率的调制方案。
This paper introduces a multipurpose digital demodulation method based on SDR, which is one kind of non-coherent demodulation types.
小尺寸且适用于高频，高Q值及在高频带有稳定感值应用的积层晶片电感。
Small size multilayer chip inductor for high frequency high Q, stable inductance in high freq. range.
特高频带的带宽为428千赫，这意味着单个部分能够承载一个简单视频图片，光盘效果的视频以及新闻快报、天气预报和紧急通知。
Its bandwidth of 428 kilohertz means a single segment can carry a bare-bones video picture, compact disc-quality audio, and text for news flashes, weather details and emergency announcements.
而当超高频广播出现时，每个频道基于同样的理由，也加上了空闲的“保护频带”。
When UHF broadcasting came along, empty “guard bands” were added to each channel for the same reason.
这样做的结果，使高频段有效信号的估计更加准确，能更好地改善去噪效果，从而达到拓宽有效频带的目的。
As a result, we accurately estimate the effective signals in high frequency band and better the noise suppression, thus broadening the effective frequency band.
在众多拓宽换能器频带的方法中，匹配层宽带换能器技术在中高频段是一种较为行之有效的方法。
The technology of matching layer transducer is an efficient method in middle-high frequency among many methods of broaden the frequency of transducers.
研制宽频带的吉赫横电磁波传输室，其高频输入接头的设计尤为关键。
The design of high frequency input connector is especially important for the development of wide band gigahertz TEM cell (GTEM cell).
因此，本文拟在不改变扫频带宽的前提下提高频率估计精度从而提高距离测量精度。
The thesis plans improving frequency estimation accuracy, without changing the bandwidth of the transmitted signal. So, we can improve the range estimation accuracy.
而当超高频广播出现时，每个频道基于同样的理由，也加上了空闲的“保护频带”。
When UHF broadcasting came along, empty "guard bands" were added to each channel for the same reason.
针对超高频机载合成孔径雷达天线小型化、高增益和宽频带的问题，分析了短背射天线缩小背腔的增益损失。
To meet the requirements of miniaturization, high gain and wideband of UHF antenna for aircraft SAR, the gain loss produced by narrowing back cavity of short back radiation antenna is analyzed.
高频雷达工作在十分拥挤的短波波段内，可资用的能满足信号调制的连续频带很难获得。
Operating in the heavy congested SW band, it is difficult for HFradars to find continuously useable waveband for signal modulation.
分析了在信道存在加性白噪声和多址干扰的条件下，频带细化对提高频谱利用率的作用。
The effect of bandwidth division on the improvement of the frequency spectrum utilization is analyzed under the condition of the multi-access interference and Gaussian white noise.
调制器完成对输入信号的量化并对量化噪声进行整形，将有用信号频带内的低频噪声搬移至高频段。
The modulator quantizes the input signal and move the low frequency inband quantization noise to high frequency.
频谱压缩器压缩高频频带的预选择部分，并将压缩的高频频带映射到较低的有限带宽频率范围。
The spectral compressor compresses a pre-selected portion of the high frequency band and maps the compressed high frequency band to a lower band limited frequency range.
噪声和边缘一样都属于高频信号，很难用频带来做取舍。
Both the noise and the edge belong to high frequency signal, it's hard to pick up with frequency band.
内部合成器提供可变频率从1兆赫到1000兆赫覆盖超高频，甚高频和视频带自动扫描功能。
The internal synthesizer provides variable frequencies from 1 MHz through 1000 MHz covering the UHF, VHF, and video bands with automatic sweep capability.
带通滤波器经常用于抗干扰设备中，以便接收某一频带范围内的有效信号，而消除高频段和低频段的干扰和噪声。
Band-pass filter often used in anti-jamming devices, in order to receive a valid signal within the band, while the elimination of high frequency and low frequency interference and noise.
本发明提供一种适用于高频频带、宽频带的天线用铁氧体烧结体及磁性体天线。
To provide a ferrite sinter for an antenna suitable for use in a high frequency band and a broad band and to provide a magnetic material antenna.
本发明提供一种适用于高频频带、宽频带的天线用铁氧体烧结体及磁性体天线。
To provide a ferrite sinter for an antenna suitable for use in a high frequency band and a broad band and to provide a magnetic material antenna.
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