手机英语词典_手机英语词汇-第8页-名校英语词典

手机英语词汇

digital delayer数字延时器
digital line section数字有线段
digital line path数字有线通道
digital line system数字有线系统
digital speech code数字语音编码
DSI数字语音插空
fading envelope衰落包络
fading amplitude衰落幅度
double T filter双T网络
dual-conversion receiver双变频接收机
double-ended synchronization双端同步
duplex,full duplex双工、全双工
duplex frequency separation双工频率间隔
duplex radio telephone set双工无线电话机
two-signal method双信号方法
dual-tone multifrequency system (DTMF)双音多频制
double gate MOS four terminal devices双栅极MOS四极管
horizontal directivity pattern水平方向性图
maritime digital selectivity-calling system水上数字选呼系统
acoustic communication system水声通信系统
individual tone sequential system顺序单音制
pulsed individual tone sequential system顺序脉冲单音制
private conversation私人通话
4-level frequency modulation (4-level FM)四电平调频
Quad flat package(QFP)四列扁平封装
four-wire switching四线交换
π/4-DQPSK四相差分相移键控
searching carrier搜索载波
compunication算信
stochastic service随机服务
Associate Channel Signaling随路信令
shortened CRC缩短循环码
locked set up time锁定建立时间
phase-lock acquisition锁相捕获
PLL strong signal characteristic锁相环大信号特性
PLL-QPSK,phased-locked loop quadrature phase shift keying锁相环四相相移键控
oligarchic (synchronized) network特权(同步)网
particular mobile communication system特种移动通信系统
trapezoidal modulation梯形调制(梯调)
sky wave天波(电离层波)
sky-wave path loss天波路径损耗
Sky Wave Time Delay天波时延
natural climate test天然气候试验
Antenna天线
antenna bandwidth天线带宽
antenna voltage rating天线额定电压
antenna power rating天线额定功率
directivity diagram of an antenna天线方向性图
Antenna polarization天线极化
isolation between antennae天线间的隔离度
hop (ionospheric propagation)跳(电离层传播)
hop distance跳距
frequency hopping跳频
TH跳时
Cycle slip跳周
cycle-skipping average time跳周平均时间
automation of railway yard铁路编组站自动化
railtrain dispatch system铁路列车调度系统
automation for railway traffic control铁路行车指挥自动化系统
off-air call set up停播建立呼叫

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