这样做将防止用户多次接收相同的事件。
Doing this will prevent the user from receiving the same event multiple times.
如果没有分帧机制，一端接收到的数据可能比另外一端发送的数据多或少(这会将一次写操作划分成多次操作，或者将多次写操作合并到一个读操作中)。
Without framing, a peer may receive more or less than was sent (splitting up a write or aggregating multiple writes into a single read).
好多次，我以为它没有接收到要放映的信号，于是我就再按一遍。
Over and over again I thought it hadn't gotten the signal to advance and pushed the button again.
同时，在硬件电路上采用多次滤波滤除噪声，采用高增益接收解调芯片MC13135对接收信号进行两次混频滤波，提取出微弱有用信号，进一步提高通信模块抗衰减能力。
At the same time , several filters are adopted in hardware circuits. The reception chip MC13135 with high gain is used to promote the capability of anti-attenuation of the interface .
郑忆康，王一博，常旭，姚振兴，2016，单程波角度域内压制多次波偏移假象，地球物理学报，已接收。
Zheng Y, Wang Y, Chang X, Yao Z, 2016, Eliminating Migration Artifacts in Angle Domain Based on One-way Wave Equation Migration of Multiples, Chinese Journal of Geophysics, accepted.
高频天波超视距雷达所独有距离多跳现象，使得位于雷达威力覆盖范围以远的杂波通过地面与电离层的多次反射进入到雷达的接收阵列。
The sky wave over the horizon radar (OTHR) is a new mechanism in which the ionosphere is used as a mirror to reflect the radar high frequency signal to detect the target.
高频天波超视距雷达所独有距离多跳现象，使得位于雷达威力覆盖范围以远的杂波通过地面与电离层的多次反射进入到雷达的接收阵列。
The sky wave over the horizon radar (OTHR) is a new mechanism in which the ionosphere is used as a mirror to reflect the radar high frequency signal to detect the target.
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