客观评价 objective evaluation
占用带宽 occupied bandwidth
倍频程滤波器 octave filter
字节 octet
停播建立呼叫 off-air call set up
非占空呼叫建立 off-air-call-set-up (OACSU)
偏置 offset
偏置四相相移键控 offset QPSK
特权(同步)网 oligarchic (synchronized) network
全向天线 omnidirectional antenna
占空建立呼叫 on-air-call-set-up
船上通信电台 on-board communication station ,ship communication station
占用带宽 occupied bandwidth
倍频程滤波器 octave filter
字节 octet
停播建立呼叫 off-air call set up
非占空呼叫建立 off-air-call-set-up (OACSU)
偏置 offset
偏置四相相移键控 offset QPSK
特权(同步)网 oligarchic (synchronized) network
全向天线 omnidirectional antenna
占空建立呼叫 on-air-call-set-up
船上通信电台 on-board communication station ,ship communication station
单向 one-way
在线测试 on-line testing
通断键控 on-off keying (OOK)
开放系统 open system
开放系统互连 open system interconnection (OSI)
开放系统互连参考模型 open system interconnection (OSI) reference model
开路电压 open-circuit voltage
开门码 opening code
开环控制 open-loop control
开环增益 open-loop gain
开环电压增益 open-loop voltage gain
工作频率范围 operating frequency range
操作维护中心 operation maintenance center (OMC)
操作系统 operation system (OS)
运算放大器 operational amplifier
工作最高可用频率 operational MUF
最佳工作频率 optimum working frequency (OWF)
“或”门 OR gate
轨道 orbit
振荡 oscillation
振荡器 oscillator
带外信令 out-band signalling
带外发射 out-of-band emission
带外功率 out-of-band power
帧失位时间 out-of-frame alignment time
输出滤波器 output filter
输出阻抗 output impedance
输出电源控制 output power control
隙外信令 out-slot signalling
过充电 overcharge
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