With the Ultra wide band ( UWB ) technology in the field of communications applications the rapid development of high-speed integrated circuits rapid development of microwave printed circuit manufacturing industry there has been ultra-wideband printed antenna which implements the ultra-short-distance bandwidth high-speed data transmission .

随着 超宽带（UWB）技术在通信领域的应用，高速集成电路的快速发展， 微波印刷电路制造业的飞速发展，出现了超宽带印刷天线，它实现了短距离内超带宽、高速的数据传输。

OEO has many attractive proper-ties of ultra low phase noise high spectral purity high frequency high stability . It can be widely used in microwave systems and fiber communication systems .

光电振荡器具有 超低相噪、频谱纯、工作频率高和稳定度高的特点，可广泛应用于 微波系统和光纤通信系统。

The whole system adopts one PLL only to control VCO to output the ultra wideband frequency of 2 ~ 12GHz and realizes small volume low cost microwave frequency source .

整个系统采用单环锁相控制VCO，输出2~12GHz的 超宽带频率，实现了小体积、低成本的 微波频率源。

RFID systems use low frequency high frequency ultra high frequency or microwave .

RFID系统常见的工作频率有低频、高频、 超高频和 微波。

Study on Coupling of Ultra Wideband Microwave Pulses into Apertures and Connecting Slot

超宽带脉冲对腔体孔 缝及连接的耦合效应研究

From the mode of information transmission the wireless communication can be classified as long wave medium wave shortwave ultra short wave and microwave .

无线通信系统按其传播信息的方式，可分为长波、中波、短波、 超短波 和 微波通信方式。

This V-band frequency quadrupler can provide an ultra stability millimeter-wave source for the system of the millimeter-wave intersatellite link by quadrupling the frequency of a microwave source .

该V波段有源倍频器可用于将 微波信号拓展到毫米波段，为毫米波系统提供 高稳定的本振源。

Reactive ion beam etching technique has been effectively used to study and fabricate large-scale and ultra large scale integrated circuit acoustic surface wave device magnetic bubble device microwave device integrated optical circuit superconducting device shimmer optical pattern etc.

反应离子束刻蚀技术已有效地用于研究和制造大规模和 超大规模集成电路，声表面波器件，磁泡存储器， 微波器件，集成光路，超导器件，闪烁光栅等。

The experimental results by using an all solid insulation protection with Si GaAs photoconductive switches with microstrip line electric induction output as high power ultra fast electromagnetism pulse microwave source are reported .

给出了采用全固态绝缘、微带线低电感输出的Sl－GaAs超快光电导开关作为高功率 亚GHz电磁脉冲 微波源的实验结果。