Nghĩa của từ optical signal bằng Tiếng Việt
@Chuyên ngành kỹ thuật
@Lĩnh vực: điện tử & viễn thông
-tín hiệu quang
Đặt câu có từ "optical signal"
1. Advanced optical signal processing
2. The transmitter can transmit an optical signal having small dispersion cost.
3. The OLT send downlink optical signal periodically to the ONU which is in the offline state, the ONU reuses this downlink optical signal to send the access request to the OLT.
4. Cables and wires, all for electrical telecommunications or optical signal transmission or aerials
5. Cables and fibers for analog and digital electrical and optical signal and data transmission
6. An unknown optical signal [628] is scanned [1204] through the tunable optical filter [402].
7. Method and system for optimising the pulse form of an amplitude modulated optical signal
8. The coupling of the optical signal from the silicon waveguide to the glass waveguide is adiabatic in a preferred embodiment.
9. The invention relates to a fiber optic filter device (5) for optical signal transmission systems comprising selectively tunable mode converters.
10. Optical fibres doped with the element erbium amplify the optical signal of the system and enable longer transmission ranges with higher bandwidth.
11. Thus, an optical signal can be output through a plurality of channels without optical loss, which has the effect of improving optical communication efficiency.
12. System for determining the state and motion of a human body using an optical signal, and method for determining the state of a human body
13. Fire detection and alarm systems composed of electric control panels, voice controllers and electric display boards, fire alarms, fire call points, interface modules, acoustic and optical signal transmitters
14. An A/D converter (14) similarly determines the signal level of the returning optical signal and sends the signal level to the shaping signal pattern generating circuit (15).
15. Based on the theory of the principal polarization state and first-order assumption, a compact analytical expression of the degree of polarization (DOP) of the optical signal is derived.
16. Recent advances in fiber and optical communications technology have reduced signal degradation so far that regeneration of the optical signal is only needed over distances of hundreds of kilometers.
17. The hybrid selective optical router allows a channel or segment of adjacent channels (118) to be dropped from the optical signal with minimal signal degradation to the dropped or expressed channels.
18. A flexible band tunable filter design is disclosed which is capable of selecting any single channel or multiple of adjacent channels in a waveband of an optical signal in an optical communication network.
19. One example of such a laser communications terminal includes a plurality of laser channels, each including a channel transceiver configured to transmit and receive an optical signal, an afocal telescope optically coupled to each of the channel transceivers, a celostat mirror pair optically coupled to the afocal telescope, and a plurality of beam steering mirrors, at least one beam steering mirror associated with each channel of the plurality of laser channels and configured to independently steer the corresponding optical signal within a field of view of the afocal telescope.
20. A system, method and apparatus for transmission of optical signal in which two laser beams (15, 13), operating at different frequencies, travel nearly loss-free and shape-invariant within an absorbing medium (22) whereby the nonlinearity of the beams causes an adiabatic interaction of their optical pulses to maintain signals that modulate one of the beams.