从该电子密度模式和电离层波传播特性出发确定多径分量，计算短波信道相干带宽。
The coherence bandwidth of shortwave channel is calculated by using the density profile and wave propagation features in ionosphere.
频域差分检测的误码率性能同时受到信道相干时间和相干带宽变化的影响，并且相干带宽对频域差分检测的影响更大。
The BER performance of FDDD is affected by the channel coherent bandwidth and coherent time at the same time, and it is more sensitive to the change of channel coherent bandwidth.
与双滤波器相干检波相比的主要优点是带宽减少了四分之三。
The principal advantage over the dual filter coherent detection is a four-fold reduction in bandwidth.
近年来，等离子体微波辐射作为新兴高功率微波源，因其具有频带宽、相干和可调谐等优点，因而受到国际上的广泛关注。
The plasma microwave radiation, as a novel high power microwave(HPM) source, has gotten more attention in recent years for its merits of broadband, coherent emission and tunable frequency.
提高光学相干层析成像术轴向分辨力的方法主要基于带宽光源技术。
The most adopted approach for achieving high axial resolution in OCT is using a light source with a broaden bandwidth.
提高光学相干层析成像术轴向分辨力的方法主要基于带宽光源技术。
The most adopted approach for achieving high axial resolution in OCT is using a light source with a broaden bandwidth.
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