岛上美国海军陆战队和参与抗敌的平民用计，使日本轰炸机误炸了伪目标。
During three straight days of Japanese bombing, US Marine and civilian defenders tricked the bombers into bombing fake positions.
只有对信号在多径衰落信道中所经历的衰落做出准确实时的估计，系统才可以使用能够提高接收机误比特率性能的相干检测。
Communication systems can enhance their BER performance by using coherence detection only when they could make precise and real-time estimation of fading coefficients of multipath channel.
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