【Key words】 transformer; partial discharge(PD); ultra-high signal; propagation characteristics; oil-paper barriers
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The receive technology of Ultra-Wide Band (UWB) signal is one of the key technologies of high-speed receiver. Quadrature receiver is typical scheme in high- speed receiver.
超宽带信号接收技术是高码率接收系统的关键技术之一，正交接收机是实现超宽带信号接收的典型方案。
This paper presents the principle of Sythetic Aperture Radar(SAR) imaging and describes the system hardware of airborneSAR real-time digital signal processing system with ultra-high speed DSP .
本文首先简单介绍了合成孔径雷达（SAR）成像原理，并对以超高速数字信号处理器（DS）为核心的机载合成孔径雷达实时成像处理系统的硬件结构作了描述。
The system uses the emitter to send ultra high frequency signals after coding with signal coder and the secondary superheterodyne mixing receiver to accept the moving target signals.
系统中发射器采用编码器编码后发送超高频信号，接收器采用二次混频型超外差式接收移动目标信号。
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