The ACS 5000 variable speed drive system enables Boeing to run the fan in adjustable speed mode or at constant speed, depending on the protocols and parameters of each test.

ACS 5000变速驱动系统使得波音公司可以根据每个测试的规程和参数，自由设定可调速度模式或者恒速模式。

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By using the "USB Bootload" mode, the system can on-line change and maintain the test software, achieve high facility and high expansibility.

本系统采用USB自举加载模式，能够在线修改与维护测试软件，增强了系统灵活性和扩展性。

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The test result show, this system architecture proposed in this paper is one of effective way to implement the wireless multi-mode baseband processor.

实践证明，本文提出的专用处理器系统架构是实现多模无线基带处理器的一种有效方式。

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