ook的例句大全

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。

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。

The ultra wideband ( UWB) radio models have been introduced with pulse-position-modulation ( PPM), on-off-keying ( OOK) and pulse-amplitude-modulation ( PAM).

分析了超宽带冲激无线电的脉位调制、通断键控调制和脉冲幅度调制的信号模型。

Simulation results show that: under the condition that the occupied bandwidth and the information rate are equal, the anti-noise performance of the communication system based on chaos M-ary modulation and demodulation method can achieve the theoretical limit of the ideal incoherent OOK receiver.

结果显示：在带宽和码元速率相同的情况下，混沌振子多进制调制解调通信系统的误码率性能能够达到传统非相干OOK接收机的理论极限。

Finally, a novel wireless navigation system based on VLC technology is proposed. A bit-error-rate testing platform based on the OOK modulation and Manchester codec is designed by using FPGA development kits. The function verification experiments of the navigation system are then completed.

最后，为了探索VLC技术的应用，提出了一种基于VLC的新型无线导览系统，并使用FPGA设计了采用OOK调制和Manchester编解码的误码率测试平台，完成了无线导览系统的功能测试等实验。

The influences of BER using different modulation techniques in the weak and strong fluctuation regimes on Wireless Optical Communication systems are discussed. The results show that the subcarrier BPSK modulation is superior to the OOK and subcarrier DPSK modulations in Wireless Optical Communication systems applications.

讨论了弱、强湍流下不同调制技术对误码率的影响，结果表明：副载波BPSK调制在光通信系统应用中较OOK和副载波DPSK调制更具优势。

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。

In European action, Mother Naturet ook center stage as heavy snowfall blanketed parts of London.

在欧洲方面, 由于暴风雪覆盖了伦敦部分地区,当地气候成了关注焦点.

Ook voegt HTC eigen gratis widgets aan de Android Market coals Parkingtimer, Translator en een ringtone-widget.

它还增加了宏达自己的,自由的部件,如机器人市场停车计时器, 翻译部件和铃声.

What I like best is a ook that's at least funny oncewhile.

我最喜欢的是读起来不时使你会觉得好笑的一本书.

Customer: I'd like to take cash ( deposit in the card ook ).

顾客: 我想取现金. ( 我存到卡折子里 )

With a regular pa ook savings account, you able to withdraw money whenever you needed it.

有了定期存折储蓄账户, 无论你何时需要都能够取款.

At present, many researches about all-optical wavelength converters only based on the signal modulation formats of binary amplitude shift keying ( OOK) and differential phase shift keying ( DPSK), but it is very few to the signal modulation format of polarization shift keying ( PolSK).

目前，全光波长转换器的研究主要集中在二进制振幅键控（OOK）和差分移相键控（DPSK）信号调制格式，对于偏振移位键控（PolSK）信号调制格式全光波长转换的研究很少。

The conclusion shows DMCS can obviously improve the channel capacity compared with that of PPK/ OOK system.

结论表明：双重混合调制对于提高信道容量是可行的。