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首页> 外文会议>IEEE International Conference on Signal, Information and Data Processing >Multi-channel RF signal acquisition system design based on AD9361
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Multi-channel RF signal acquisition system design based on AD9361

机译：基于AD9361的多通道射频信号采集系统设计

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摘要

The modern communication and radar systems has been faced with the constraint of size, weight and power (SWaP), and this also goes for their front-end acquisition systems. Currently, the AD9361 RF transceiver has been gradually employed due to its low cost and low power. However, its internal PLL mode can't support the fast frequency hopping because its time-cost calibration period, and also it doesn't support the multi-channel RF synchronization. Therefore, the AD9361 is unsuitable for some applications with severe requirements on phase and frequency hopping speed. In this paper, we proposed a fast frequency hopping technique by employing configurable external oscillator, and proposed a multi-channel phase synchronization technique based on phase pre-calibration. The techniques are validated on a 16-channel AD9361 acquisition system and the result show the design provides a reference for system design under the SWaP constraint.
机译：现代通信和雷达系统一直面临尺寸，重量和功率（SWaP）的限制，这也适用于其前端采集系统。目前，AD9361 RF收发器由于其低成本和低功耗而逐渐被采用。但是，由于其时间成本校准周期，其内部PLL模式不能支持快速跳频，并且不支持多通道RF同步。因此，AD9361不适用于对相位和跳频速度有严格要求的某些应用。在本文中，我们提出了一种采用可配置外部振荡器的快速跳频技术，并提出了一种基于相位预校准的多通道相位同步技术。该技术在16通道AD9361采集系统上得到验证，结果表明该设计为SWaP约束下的系统设计提供了参考。

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