Entire GPS systems, including batteries and wireless transmitters for downloading data, are now no bigger than a coin.
整个GPS系统，包括电池和供下载数据的无线发射机，比硬币还小。
Various PA linearization techniques have been adopted to improve linearity and power efficiency of wireless transmitters.
于是多种不同功率放大器的线性化技术被采用来改善无线发射机的线性度及效率。
Various PA linearization techniques have been adopted to improve linearity and power efficiency of wireless transmitters.
于是多种不同功率放大器的线性化技术被采用来改善无线发射机的线性度及效率。
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