而卖家声称在USB电视棒内部有天线可以增强信号，但是上海日报记者打开后却没有发现。

While some vendors claim that the USB drives has internal antennae to boost a signal, despite dismantling the device, Shanghai Daily could find no trace of this.

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本文提出的智能天线与自适应智能天线具有相似的扩容能力，但它无需迭代、响应速度快、鲁棒性也更好。

The enhanced capability of this antenna is approximately equal to adaptive antenna, but need not iterative procedure, has fast response and good robustness.

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但是回到USB棒和很可能有微弱辐射的小天线的问题上，安全距离是多少？

But coming back to this USB stick and little antenna which is probably very weak, what would be the distance from this that you would consider to be safe?

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