This paper discusses a switching model of GaAs MESFET. It is suitable for MMIC design with broad frequency characteristic.
提出了一种MESFET开关的模型——附加栅控开关模型，适用于MMIC电路的设计，具有很好的宽带微波特性。
UWB's broad frequency range includes the ultralow frequencies the U. s. Navy USES to communicate with submerged submarines.
UWB宽阔的频率范围包括了极低频率，美国海军将它用于与水中潜艇的通信。
Since the power spectrum of DS signals distributes in a broad frequency band at any time, it's difficult to detect the signals.
由于DS信号的功率谱在任何时候都分布在一个很宽的频带内，所以难以检测。
Electrodynamic shakers are used in most cases because they can operate over a broad frequency range with accurately controlled waveform.
极大多数的情况下应用电动振动台，因为它能在一定广的频率范围内工作并且能准确地控制波形。
Composite shielding coatings and waterborne shielding coatings were of expansive research and development anticipation. High efficiency, broad frequency and l...
复合型以及水性屏蔽涂料具有广阔的研发前景，高效能、宽频带、寿命长的电磁屏蔽涂料将会受到市场欢迎。
It is shown experimentally that its oscillating amplitude is very large and the jet has broad frequency, its erosive effect is superior to that of the ordinary jet.
实验表明这种射流振荡幅值高，频率宽广，冲蚀效果优于普通射流。
Helical antenna has not only almost identical to the resistive input impedance in broad bandwidth, but also works by the end of super-gain front lobed map in the same frequency band.
螺旋天线不仅在宽频带上具有近乎一致的电阻性输入阻抗，而且在同样的频带上按超增益端射阵的波瓣图工作。
The A4 reference frequency (calibration) can also be adjusted in a broad range from 410 Hz to 480 Hz.
参考频率的A4（校准）也可以调整从410赫兹到480赫兹在一个广泛的范围内。
Orthogonal Frequency Division Multiplexing (OFDM), as an efficient data transmission technology, has good antifading ability and broad application prospect.
正交频分复用(OFDM)作为一种高效的数据传输技术，具有良好的抗衰落能力，应用前景非常广阔。
The high frequency welding H-section steel has properties of broad and thin section component. Its higher axial lateral resistance capacity forms rigid frame.
高频焊接H型钢具有宽肢薄腹构件的特征，其强轴方向具较强的抗侧能力，形成刚性框架。
Network analyzer adopt these new technology such as frequency synthesis, sampling technique, broad-band sweeping and computer-assisted testing.
网络分析仪结合了频率合成技术、采样技术、宽带扫频技术、计算机辅助测量等新技术。
We do research in automatic detection technique of liquid impurity on the basis of video frequency. It has significance in theory and has broad application future in industry production field.
论文开展基于视频液体中杂质的自动检测技术研究，具有重要的理论意义，在工业生产中等领域具有广阔的应用前景。
Thirdly, the frequency of the coincidence between Theme and Subject in Chinese is lower than that in English due to the topic prominence and the broad use of zero Subject in Chinese.
三是汉语话题突出和零主位的广泛使用使得汉语的主位和主题巧合的比率较之英文偏低。
In this paper, a high resolution technique for detecting the presence of frequency components of a narrow-band signal in the broad-band correlated noise is examined.
本文提出在宽带相关噪声中，提取窄带信号谱分量的一种高分辨率谱分析方法。
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。
As an effective way of eliminating high frequency harmonic, active Power Factor Correction (PFC) technology has been deeply researched and has broad application.
有源功率因数校正技术(PFC)作为一种有效的谐波抑制方法，得到了广泛而深入地研究与应用。
The directivity function is used to describe the sound field of single-frequency and broad-band waves produced by a medical linear array.
用指向性函数分别描述了医用线列阵单频波和宽带波声场。
Then it is necessary to estimate the frequency, 2-i AOA and polarizations and other parameters of multiple signals in broad-band and in wide space.
这就要求同时对宽频段广空域内多个辐射源的频率、到达角和极化等信号参量具有高精度、高分辨力的估计能力。
In the research and design of signal source, the key technology of the nature of broad spectrum, the same initial phase, and multi-frequency synchronization sending has been researched.
在信号源的研究与设计中针对信号源的广谱性质、起始相位同步、多频同步发送等关键技术进行了研究与设计。
In this thesis, a Broad Band signal generator based on noise frequency modulation for radar is studied.
本课题主要研究了对雷达信号进行干扰的宽带调频噪声信号源。
Futher more, the instances of radio frequency identification applied in sports items are obviously increasing in home and aboard, and radio frequency identification have a broad prospect.
近些年来该方法在国内外体育项目上的应用事例明显增多，显示出一种广阔的前景。
Futher more, the instances of radio frequency identification applied in sports items are obviously increasing in home and aboard, and radio frequency identification have a broad prospect.
近些年来该方法在国内外体育项目上的应用事例明显增多，显示出一种广阔的前景。
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