基于GPRS和CD MA无线公网技术的新一代大客户负荷管理终端和通信前置机是构建大客户负荷管理系统的关键。
The new large-client load management terminal and communication front-end processor based on GPRS and CDMA is the most important part of large-client load management system.
通信机中的收信前置中频放大器，其性能的高低将直接影响整机技术指标。
The property of the front medium frequency amplifier influences directly the technical targets of the machine. Yet the property of amplifiers are often unstable.
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