许多ISP宣称宽带宽和高速度，但是却用他们的宽带连接提供不达标的服务质量。
Many ISPs make wild bandwidth and speed claims, but deliver a suboptimal performance from their broadband connections.
GPON作为一种先进的宽带光接入网技术，它为打破接入网段的网络带宽瓶颈提供了解决方案，是今后宽带接入网的较好选择。
GPON, as a advanced broad band access network technology, is a solution for breaking the bottleneck of network band of access network.
为了抑制宽带干扰信号，在发射方向图上形成干扰凹口，提出了一种宽带宽角发射波束形成新方法。
In order to suppress wideband interference and make pattern null in the direction of interference, a new wideband transmitting beamforming method for a large scanning Angle is presented.
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