DCMA

To resolve the data packet collision caused by hidden and exposed terminals in Ad Hoc network, a carrier sensing protocol based dual channel multiple access ( DCMA) was proposed.

为了解决ad hoc网络由隐终端和暴露终端引起的数据报文冲突问题，提出了基于载波监听的双信道多重接人（DCMA）协议。

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Only when we explore the full range of reform and core issues independently and improve the intergovernmental relations in the mode of management continuously, can we make the relationship between DCMA and territorial government a dynamic and balanced relation.

只有在全方位改革和核心问题上自主探索，在府际关系与管理模式上不断进行完善，才能使开发区管委会与属地政府之间形成平衡竞争与合作关系形态。

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Study on Manpower Resources Management of DCMA and Its Inspiration to PLA's Army

美军DCMA人力资源管理研究及对我军的启示

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The paper analyzes the performance of DCMA series protocol by simulation.

文章通过仿真对DCMA协议的性能进行了分析和比较。

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DCMA combines the conventional CMA and SR-CMA, and the switch process between CMA and SR-CMA is realized by decision circle ring which boundary is decided by the signal-to-noise radio.

该算法将常规CMA算法和SR-CMA算法相结合，通过判决圆环完成两种算法之间的切换，根据信噪比确定判决圆环的边界。

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Computer simulation proves that DCMA is more robust than SR-CMA and more computationally efficient than CMA, and its residual mean-square error is lower than that of CMA and SR-CMA.

仿真结果表明，DCMA的计算效率高于CMA，算法稳定性优于SR-CMA，而且可以获得较低的剩余均方误差。

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The messages are divided by its prior degree, the Algorithm of Discarding Connection Management ( DCMA) is given, the buffer time is set in order to deal with the response message. The approach can hold a high effective connection management.

为减少冗余，对消息进行了优先级的划分，给出了丢弃冗余连接（DCMA）的算法，提出了设置缓冲时间来最大限度保存对Response消息的处理，达到高效的网络连接管理。

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