UC知道基于ppm的自由空间光通信 的英文文献翻译 高分先给100
来源：百度知道 编辑：UC知道 时间：2024/06/25 10:27:02
detectors. The spatial coherence distance in the turbulent atmosphere
is modeled to be approximately , where is the path
length and is the wavelength [4]. This typically produces correlation
distances in the range of 5 to 50 cm. Thus, for small
detectors spaced on the order of one meter, we can model the
received field as spatially constant (though random) over any
one detector aperture, while the path gains from any one source
to various detectors are independent. Finally, we assume the
channel fading process is flat across the optical frequency band
and slow relative to the symbol duration. The latter is justified
by the high signaling speeds contemplated in FSO systems and
the relatively slow dynamics of the channel turbulence, while
the flat fading follows from the large coherence bandwidth relative
to the laser linewidth and modulation rate.
C. Optical
内容又长，专业性又强，翻译请放心，希望能加分。
detectors. The spatial coherence distance in the turbulent atmosphere
is modeled to be approximately , where is the path length and is the wavelength [4]. 探测器。在湍流大气中的空间相干距离被近似建模为……，其中（ ）是路径长度，（ ）是波长。This typically produces correlation distances in the range of 5 to 50 cm.这一般产生5到50 m范围的相关距离。 Thus, for small detectors spaced on the order of one meter, we can model the
received field as spatially constant (though random) over any one detector aperture, while the path gains from any one source to various detectors are independent.因此，对于间隔在1 m量级的小探测器来说，我们可以将接收场建模为在任何一个探测器孔径上是空间不变的（尽管是随机的），同时，从任何一个光源到不同探测器的路径增益都是不相关的。 Finally, we assume the
channel fading process is flat across the optical frequency band and slow relative to the symbol duration. 最后我们假设信道衰落过程跨光频带是平坦的，并与符号持续时间缓慢相关。The latter is justified by the high signaling speeds contemplated in FSO systems and the relatively slow dynamics of the channel turbulence, while
the flat fadin