SS7则使用带外信令，即在另外的一个物理信道上传送信令消息。
SS7 USES out-of-band signaling where signaling messages are carried on a separate physical channel.
偏移四相相移键控（OQPSK）是一种适用于在限带非线性信道中使用的高效恒包络数字调制技术。
The offset quadrature phase-shift-keyed(OQPSK) is an effective digital constant envelope modulation for band-limited nonlinear channel.
针对低莱斯因子信道中衰落和码间干扰的影响，提出了带内三重频率分集接收实现方式，给出了采用带内三重频率分集的调制器和解调器的原理框图。
For the influence of fading and ISI on low Rice factor channel, the system adopting diversity technology is presented, and the schematic diagram of the modem adopting diversity technology is given.
TTIB（透明带内导音）及FFSR（前馈信号再生）技术是一种可抗无线信道中多径时延及多谱勒频移引起的信号衰落的技术。
Transparent tone-in-band(TTIB) and feedforward signal regeneration(FFSR) is a technology to combat the effects of multipath propagation delay and doppler effect in wireless channels.
有线电视广播接收机，用于接口连接带内信道的方法，和用于处理广播信号的方法。
Cable broadcast receiver, method for interfacing in-band channel, and method for processing broadcast signal.
门廊；柱廊：建筑物有柱的走廊或入口，或有一定间隔的柱子支承的带顶信道。
Portico Colonnaded porch or entrance to a structure, or a covered walkway supported by regularly spaced columns.
门廊；柱廊：建筑物有柱的走廊或入口，或有一定间隔的柱子支承的带顶信道。
Portico Colonnaded porch or entrance to a structure, or a covered walkway supported by regularly spaced columns.
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