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首页> 外文期刊>Instrumentation and Measurement, IEEE Transactions on >Leveraging Software-Defined Radio Techniques in Multichannel Digital Weather Radar Receiver Design
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Leveraging Software-Defined Radio Techniques in Multichannel Digital Weather Radar Receiver Design

机译:在多通道数字天气雷达接收机设计中利用软件定义的无线电技术

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摘要

This paper describes the instrumentation, design, and implementation of an inexpensive nearly all-digital field-programmable gate-array (FPGA)-based radar receiver useful in a variety of applications including single-/dual-polarization weather radar, sidelobe cancellation, subarray modules for a digital beam-forming phased-array radar, and other applications where a compact, low-power, and low-cost receiver is needed. The design of the receiver includes a minimal analog radio-frequency front-end followed by an analog-to-digital converter utilizing a bandpass sampling technique which allows the FPGA to produce baseband in-phase (I) and quadrature (Q) signals without the use of multipliers or lookup tables.
机译:本文介绍了一种廉价,几乎全数字的基于现场可编程门阵列(FPGA)的雷达接收机的仪器,设计和实现,该雷达接收机可用于多种应用,包括单/双极化天气雷达,旁瓣消除,子阵列用于数字波束成形相控阵雷达的模块,以及需要紧凑,低功耗和低成本接收器的其他应用。接收器的设计包括一个最小的模拟射频前端,其后是一个采用带通采样技术的模数转换器,该技术允许FPGA产生基带同相(I)和正交(Q)信号,而无需使用乘法器或查找表。

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