They suggest that any alien civilisation worth its salt would alight not on the photons of the electromagnetic spectrum-whether optical or radio-frequency-to send messages to other solar systems.
他们指出，任何有头脑的外星文明都不会发射电磁波谱中的光子——无论是可见光波段还是射频波段——向另一个太阳系传送信息。
They are also used in many other leading edge technologies such as optical sighting systems and laser range finding.
他们还用在其他许多领先技术，如光学瞄准系统和激光测距。
This paper overview the research developments of chaos in the (active) laser, the (passive) optical bistability, and the other nonlinear optical systems.
本文对(有源)激光器、(无源)光学双稳态以及其他非线性光学系统中混沌的研究进展作了综述。
Coursework includes quantum mechanics, physical optics, optoelectronic theory, optical fabrication and testing, optical communication systems, and other topics.
课程包括量子力学、物理光学、光电理论、光学制造和测试、光学通信系统等。
Optical power splitters are key components in optical communication and information processing systems. They also compose the key structure of other optical devices.
光功分器是光通信系统和光信息处理系统中的关键器件，也是构成其他光器件的重要组成部分。
The tester adopts electronic auto loading, computer software programming, high power optical measurement, photosensor and other systems.
本机采用电子自动加荷，计算机软件编程，高倍率光学测量，光电传感等系统。
The measurement of other important parameters of optical systems with this kind of device and the factors that influence the accuracy of the PSD are also discussed.
还讨论了使用PS D测量先学系统其它参数的方法以及影响PS D测量精度的主要因素。
This practical circuit system also suits for other reflective optical fiber displacement sensor testing systems in the similar condition.
该传感器电路系统同样适用于类似条件下用反射式光纤位移传感器测量的其他系统。
On this basis, then we discuss the other optical tweezers systems including Dual optical Trap tweezers, Hollow Laser tweezers, optic fiber Laser tweezers, Calculation Holography Laser tweezers.
并在此基础上讨论了包括单光源双光阱光镊仪器系统、空心光镊、光纤光镊、全息光镊在内的其他形式的光镊系统结构。
The detection system consists of optical stress subsystem, electrical stress subsystem, thermal stress sub - systems and other components.
该检测系统由光应力分系统、电应力分系统、热应力分系统等组成。
Loss of signal on the data channel and LOF on the OSC can be unreliable indicators of a fiber break or other failure in optical communications systems.
数据信道上的信号损耗和0sc上的LOF可能是通信系统中的光纤中断或其它故障的不可靠指示器。
The scientists developed the new optical fibres for systems that cross oceans, but they said there would also be many other USES for the fluoride glass wires.
科学家发明新型光纤的目的解决跨海光缆，但是科学家表示氟化光纤的应用领域有很多。
The scientists developed the new optical fibres for systems that cross oceans, but they said there would also be many other USES for the fluoride glass wires.
科学家发明新型光纤的目的解决跨海光缆，但是科学家表示氟化光纤的应用领域有很多。
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