The optimum switching thresholds that maximize the throughput are found. Theoretic analysis and numerical results indicate that VS-AM-SR-ARQ system can get good performance in fading channels.
理论分析和数值计算结果表明，可变包长可变调制方式的ARQ系统可以更好地适应衰落信道，其吞吐量性能要优于普通的ARQ系统。
Its method possesses definite application value for stability analysis and optimum design of a practical rotor system.
该方法对实际转子系统的稳定性分析及优化设计具有一定的应用价值。
The rod pumping is the predominance mechanical recovery mode in world petroleum production, the system dynamical simulation is the base of system efficiency analysis and optimum design.
有杆泵抽油是世界采油工程中一直占主导地位的机械采油方式，系统动态模拟是系统效率分析和优化设计的基础。
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