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数字调制解调
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数字调制解调
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数字调制解调
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digital modulation and demodulation
数字调制解调
用数字基带信号控制载波,把数字基带信号变换为数字带通信号,并在接收端通过解调器把带通信号还原成数字基带信号的过程。
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field rehearsal
field research
field reversal
field road project
Field rule
Fields
field safety management
Fields and Waves in Communication Electronics
field search
field seepage test
field sensible heat exchange
field setup definition
field shelter hospital system
field site of soil and water conservation monitoring
Fields Medal
Fields medal
field soil heat exchange
field soil moisture forecast
field soil water balance
field source
field source correction
field sowthistle
field spectroradiometer
field star
field static correction
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