on-off keying

Second, the paper analyzes the single-pulse modulation which includes pulse amplitude modulation, on-off keying modulation, pulse position modulation and two-phase modulation.

其次分析了单脉冲调制中的脉冲幅度调制、开关键控调制、脉冲位置调制和二相调制。

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The two outstanding advantages of PPM compared with on-off keying modulation are presented: higher power efficiency and extremely lower symbol error rate.

分析了脉冲位置调制与目前的实际系统中应用最多的开关键控调制（OOK，On-Off Keying）相比最突出的两个优点：功率有效性、大大降低了误码率。

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On-off keying ( OOK) is the main modulation method used in the present optical communication engineering, simple and easy to implement. But its bit error rate is so high that error correcting coding techniques are necessary.

目前无线光通信工程主要采用开关键控调制，该调制简单、易实现，但误码率高，需要引入纠错编码技术。

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A direct mathematical expression for the relationship between the transmitter optics aperture and the satellite vibration amplitude has been derived. The assumption in the derived model is that the satellite communication system adapts on-off keying ( OOK) modulation and an APD as the detector.

从接收机的比特误码率与发射机的振动关系出发，采用OOK调制方式，以APD为光电探测器，推导得到了描述发射机天线口径与发射机振动关系的数学模型。

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We also realize wavelength remodulation for carrying upstream on-off keying ( OOK) data to reduce the cost budget at the optical network unit.

为了降低光网络单元的成本预算，我们对下行的光载波进行了上行传输开关键控信号的重调制。

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A scheme to achieve ultrahigh speed all-optical format conversion from on-off keying ( OOK) to phase-shift keying ( PSK) by using the linear filtering in the silicon ring resonators is proposed.

本文提出一种利用硅基微环线形滤波功能的全光超高速开关键控码型（OOK）到相位键控码型（PSK）的格式转换方案。

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