论文设计了移动大气激光通信系统中的光信号调制解调的实现方案。
Optical modulation and demodulation implementation scheme in mobile atmospheric laser communication system are designed.
对基于半导体光放大器中交叉增益调制效应的波长转换后信号的啁啾特性进行了分析。
The chirp performance of converted signal in wavelength conversion based on cross gain modulation (XGM) in semiconductor optical amplifier (SOA) was analyzed.
该全光脉冲整形器利用波分复用器将控制光脉冲引入光纤环形镜中，控制光脉冲由于交叉相位调制在信号光上产生了非线性附加相移。
Control pulse is coupled into this pulse shaper by wavelength division multiplexer. Nonlinear phase shift of signal laser is induced by control pulse because of cross phase modulation.
本文详细推导了用振幅调制激光为光源外差激光探针的信号光与参考光干涉光强表达式。
In the paper. the interference intensity of signal laser beam and the reference one is carried out in detail on a heterodyne laser probe with amplitude modulated laser source.
为改善传感器的性能，微弱光强信号的检测需要载波调制和双光路补偿。
To improve its performance, a carrier modulation and double light route compensation are necessary for detecting faint optical power signals.
使用悬臂梁来遮挡反射回光纤的光，用光强度调制来实现振动信号的测量。
A cantilever is used to block the light reflected into optical fiber, and the vibration signal can be measured through the intensity modulation.
其中利用光学斩光器对被测光进行调制使其与方波参考信号相关是对微弱光信号进行锁相检测的一种常用方法。
Using the optical chopper to modulate the detected light to make it related to the reference squarewave signal is a common method of locking phase detection of weak signals.
探测光及抽运光的偏振对EIT特别是FWM信号有调制作用。
EIT, especially FWM signal can be modulated by the polarization of the probe and the pump fields.
混合集成光学加速度计是一种实用型的实时加速度传感器，在信号处理过程中采用了光相位调制和交流相位跟踪零差补偿技术(PTAC)。
The hybrid integrated optical accelerometer is a kind of practical accelerometer, which adopts optical phase modulation and alternating current phase tracking and homodyne compensation scheme (PTAC).
为了获得振幅均衡的有理数谐波锁模脉冲，必须在原有的实验装置中添加一个掺铒光纤放大器(EDFA)以提高注入调制光信号功率。
For obtaining a pulse series with a small amplitude ripple, an Erbium-doped Fiber Amplifier (EDFA) must be added into the primary experiment setup to enhance injection-modulation signal power.
将光衰减器用作解调系统的光调制器，解决了解调系统光信号的调制问题。
The optical attenuation is used as optical modulator of demodulation system, which solves the problem of optical modulation.
其中包括信号的调制电路、电光变换、光检测器、均衡放大器和滤波器等。
It is Consisted of modulation circuits, electrical optical converting, photodetector, equalizing amplifier and filter etc.
而重复频率近似等于调制盘系统调制波形载频的光脉冲会干扰导引头接收到的目标信号，使导引头失去目标。
At a repetition rate nearly equal to the carrier frequency of the reticle system, the jamming source will disturb the target's signal received by the seeker, and make the seeker lose the target.
直接调制是把要传送的信息转变为电流信号注入LD或LED，从而获得相应的光信号。
The method of direct modulation is: change the ready information to current signal and then inject the LD or LED to obtain the corresponding light signal, thus the idea is source modulation.
提出了略有失真地恢复图象信号的方法；推导了器件的光积分调制传递函数；
The integration modulation transfer function (MTFi) deduced in this paper for the limited cells CCLID is the MTFi for the limitless cells CCLID with only the conditions different from each other.
重介绍了光纤系统的基本构成，光信号的调制和HFC—光纤同轴混合网。
This paper introduces the basic components of the optical fiber system and the modulation of the optical signals and the HFC-optical fiber coaxial hybrid network.
与非缀饰四波混频(NDFWM)信号的强度相比，单缀饰光作用下的四波混频信号(SDFWM)的强度在偏振调制光为线偏振及椭圆偏振的情况下受到了不同程度的抑制。
Comparing with FWM without dressing fields (NDFWM), the strength of the singly-dressing FWM (SDFWM) signal is suppressed when the modulation-field is linear or elliptically polarized.
②总结了光外差调制技术，理论推导了利用光外差调制技术产生的光载毫米波信号的频谱结构。
The second, we summarize the optical heterodyning modulation technology, and calculate the spectrum of optical mm-wave signal generated by this modulation technology.
所述光学调制系统响应 于所述驱动控制信号来产生和调制光并产生图像并随后扫描所述图像以 便投射到屏幕上。
The optical modulation system generates and modulates light and generates an image in response to the drive control signal and then scans the image for projecting onto a screen.
第二部分是光纤传输和光电转换器，从传感头输出的频率调制信号驱动装在高压端的发光二极管，进而转换成光脉冲信号；
The first one is a sensor head converting the current flowing in the power line into the optical pulse FM signal. The second one is optical fiber transmission and optolectric conversion.
高频调制参考光和被测光信号是通过半透半反光镜照 射到光电传感器上。
The high-frequency modulation reference light and the optical signal to be tested are reflected to the photoelectric sensor by a semi-permeable semi-reflector.
在经过光相位调制器之后，输出光信号的包络保持不变，能被基站用来承载强度调制的上行信号。
The envelope of output optical signal after the phase modulator keeps stable and the optical signal can be used to carry uplink data back to the base-station.
利用一种不均衡的平行调制器和光滤波器，我们得到线性化的单边带光信号。
By using an unbalanced dual parallel Mach-zehnder modulator (DPMZM) followed by optical filtering, a linearized OSSB signal is obtained.
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。
We also realize wavelength remodulation for carrying upstream on-off keying (OOK) data to reduce the cost budget at the optical network unit.
光学相位调制技术，在光通信、光信号处理、微波信号处理等领域具有非常广泛的应用。
Optical phase modulators are used for many applications in optical communication systems, optical processing and microwave signal processing.
通过优化泵浦相位调制的配置，平衡受激布里渊散射抑制和泵浦相位调制造成的转换闲频光信号劣化，可以使转换闲频光信号的劣化得到有效的抑制。
By optimizing the pump phase modulation configuration, the converted DPSK idler's degradation can be dramatically decreased through balancing SBS suppression and pump phase modulation degradation.
我们对注入的连续波激光进行幅度调制并且测量了输入输出光之间调制信号的放大倍数。
We add amplitude modulation onto the CW laser and measure the modulation amplification between seeding and output laser.
结果表明，利用交叉相位调制效应压缩光脉冲时，无论泵浦脉冲还是信号脉冲，其线性源啁啾都对光脉冲的压缩产生重要影响。
It is found that not only the chirped pump pulse but also the chirped soliton pulse have great effects on the soliton pulse compression in anomalous dispersion regime. Fo...
结果表明，利用交叉相位调制效应压缩光脉冲时，无论泵浦脉冲还是信号脉冲，其线性源啁啾都对光脉冲的压缩产生重要影响。
It is found that not only the chirped pump pulse but also the chirped soliton pulse have great effects on the soliton pulse compression in anomalous dispersion regime. Fo...
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