利用自旋压缩研究了Yurke-like态的纠缠特性.Yurke-like态可以看成是一个对称量子态和两个特殊多粒子态的相干叠加,因此可以通过研究叠加系数和相对相位对自旋压缩参数的影响来研究Yurke-like态的纠缠特性；利用求极值的办法得到了最佳压缩方向角和最佳压缩值的解析表达式.结果表明:自旋压缩参数随叠加系数单调变化而随相对相位作周期性改变；粒子数越多,压缩程度越高.
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