无线线路    radiolink

无线寻呼1号码    radio-paging code No. 1

无线接力系统    radio-relay system

铁路列车调度系统    railtrain dispatch system

淋雨试验    rainfall test

伪随机数    RAND

随机存取存储器    random assignment multiple access (ALOHA)

随机误差    random error

随机噪声    random noise

随机数    random number

电压变化的发生率    rate of occurrence of voltage changes

上升率    rate of rise

额定音频输出功率    rated audio-frequency output power

额定带宽    rated bandwidth

耳机额定阻抗    rated impedance of earphone

扬声器额定阻抗    rated impedance of loudspeaker

额定使用范围    rated operating range

发射机额定输出功率    rated output power of transmitter

额定射频输出功率    rated radio frequency output power

额定值    rated value

射手系统射线路径传输损耗    ray path transmission loss

瑞利衰落    Rayleigh fading

感应近场区    reactive near-field region

实时信道估算    real-time channel estimation

接收响度评定值    receive loudness rating (RLR)

接收至发射的回波耗损    receive to transmit echo loss (RTEL)

接收至发射的稳定耗损    receive to transmit stability loss (RTSL)

接收机    receiver

接收机动态范围    receiver dynamic range

接收机分路器    receiver multi-coupler

接收机保护装置    receiver protector

接收机门限电平    receiver threshold-signal level

重建样值    reconstructed sample

恢复    recovery

整流    rectification

减载波发射    reduced carrier emission

减载波单边带发射    reduced carrier SSB emission

参考时钟    reference clock

基准条件    reference condition

参考结构    reference configuration

参考当量    reference equivalent

参考差错率    reference error ratio