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Got a Kudo for
请教个问题,若同时有5张A卡在射频场中,且他们的ATQA不同,那么RC522芯片发送REQA命令后,5张卡同时发送ATQA信息,那么5张卡的ATQA信息会重叠从而导致信号失真,芯片是怎么解调出每张卡的ATQA呢?
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05-06-2017
01:26 AM
Got a Kudo for
Re: 请教个问题,若同时有5张A卡在射频场中,且他们的ATQA不同,那么RC522芯片发送REQA命令后,5张卡同时发送ATQA信息,那么5张卡的ATQA信息会重叠从而导致信号失真,芯片是怎么解调出每张卡的ATQA呢?
.
05-06-2017
01:26 AM
Posted
Re: 请教个问题,若同时有5张A卡在射频场中,且他们的ATQA不同,那么RC522芯片发送REQA命令后,5张卡同时发送ATQA信息,那么5张卡的ATQA信息会重叠从而导致信号失真,芯片是怎么解调出每张卡的ATQA呢?
on
NFC
.
04-26-2017
12:20 AM
Posted
请教个问题,若同时有5张A卡在射频场中,且他们的ATQA不同,那么RC522芯片发送REQA命令后,5张卡同时发送ATQA信息,那么5张卡的ATQA信息会重叠从而导致信号失真,芯片是怎么解调出每张卡的ATQA呢?
on
NFC
.
04-24-2017
01:47 AM
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Re: 请教个问题,若同时有5张A卡在射频场中,且他们的ATQA不同,那么RC522芯片发送REQA命令后,5张卡同时发送ATQA信息,那么5张卡的ATQA信息会重叠从而导致信号失真,芯片是怎么解调出每张卡的ATQA呢?
NFC
2144
04-26-2017
12:20 AM
请教个问题,若同时有5张A卡在射频场中,且他们的ATQA不同,那么RC522芯片发送REQA命令后,5张卡同时发送ATQA信息,那么5张卡的ATQA信息会重叠从而导致信号失真,芯片是怎么解调出每张卡的ATQA呢?
NFC
2625
04-24-2017
01:47 AM
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