We theoretically analyze and experimentally demonstrate a method of generating equal-amplitude optical comb exploiting multi-frequency phase modulation.
我们理论分析并实验验证了一种利用多频相位调制产生等振幅光梳的方法。
This effect is called self-phase modulation.
这种效应叫做自相位调制。
A laser phase modulation system with acoustooptic modulator is described.
本文叙述了一种包含有声光调制器的激光调相系统。
Mode locking can be induced not only by loss modulation, but also by phase modulation.
锁模不仅可用损耗调制取得，也可用位相调制来得到。
Kinds of optical modulation sensors, especially lightwave phase modulation sensors are studied.
系统研究了各种光波调制传感器，重点研究了光相位调制传感器。
The phase modulation has some more advantages against CW, which USES ASK (amplitude shift keying).
相位调制与使用ASK(幅度键控)的CW相比有很多优点。
We can realize the automation of the phase modulation by programming the controller of stepper motor.
通过对步进电机控制器编程实现了相位调制的自动化。
The nonlinear effects of the film on the phase modulation depth and encoding results are also analysed.
分析了胶片的非线性效应对位相光栅调制深度及编码效果的影响。
Considering the fiber loss, an analytic expression of the cross phase modulation induced chirp is derived.
推出了存在光纤损耗时交叉相位调制效应所产生的啁啾的解析表达式。
A new method for making a thin silver halide phase holographic grating with an expectation phase modulation is proposed.
提出了一种制作具有预期位相调制度的卤化银乳胶位相型薄全息光栅的方法。
Therefore, the reflective phase modulation will be achieved by variation of the structure parameters of photonic crystals.
通过改变光子晶体的结构参数可以实现对反射光相位的调制。
Moreover, the optical phase modulation behavior model of micro deformable mirror arrays is established for the first time.
首次建立了微变形镜阵列的光相位调制系统级模型。
For LFM signal, we demonstrate the method of employing Hamming weighting, spectrum correcting and phase modulation distortion.
对线性调频信号的旁瓣抑制介绍了经典海明窗加权处理方法、频谱修正以及相位预矫正几种方法。
The optic fiber sensors of phase modulation type developed by the interference theory in traditional optics are high sensitive.
根据传统光学干涉原理研制出的相位调制型光纤传感器，其突出优点是灵敏度高。
The article theoretically analyzes the impact of self phase modulation caused by nonlinear refractive index on ultrashort pulse.
从理论上分析了非线性折射率引起的脉冲自位相调制对超短脉冲的影响。
This phenomenon can be explained by the spatial self-phase modulation of the Gaussian beam passing through the nonlinear medium.
该现象可以用高斯光束通过介质时产生的空间自相位调制解释。
In chapter 5 the jamming such as phase modulation noise, binary pseudo random sequence and multiple pseudo targets are discussed.
第五章对雷达干扰进行了阐述，主要的干扰信号有连续噪声调相干扰、伪随机码噪声干扰、多假目标干扰。
The effect of wakefield, which depends on the initial pulse shape and width, leads to the asymmetry of pulse self phase modulation.
尾波场效应导致脉冲自相位调制的不对称性，其大小与初始脉冲形状和脉宽大小有关。
Chapter3: This chapter discusses the quantum cryptography system based on phase modulation polarization coding technology in details.
第三章：详细讨论了基于相位调制偏振编码的量子保密通信系统。
Firstly, we find that NOLM has a function of compressing optical pulse width, self-phase modulation (SPM) in NOLMs is a crucial reason.
通过研究它的光学特性，我们发现，由于自相位调制(SPM)，NOLM有压缩光脉冲脉宽的功能。
Based on the technology of spatial phase modulation, a simple scheme to steer optical Gaussian beams in photovoltaic media is presented.
利用空间相位调制技术控制高斯光束在光伏晶体中的传播。
Due to additive relative motion between ground jamming emitters and SAR, the spurious phase modulation of transmission signal is produced.
地面干扰发射机和SAR之间的附加相对运动，产生了传输发射信号的寄生相位调制。
Joint frequency and phase modulation (JFPM) utilize frequency and phase information to realize higher efficiency in the frequency and power.
联合频率相位调制(JFPM)同时利用频率信息及相位信息，具有较高的频带利用率和功率效率。
The continuous phase modulation has the constant amplitude and its phase is continuous, which make the signal has a very good power spectrum.
连续相位调制由于其具有恒定包络幅度且对任意的调制信息序列能保持信号的相位连续，从而能够有效的改进信号的频谱特性。
But for the influence of self phase modulation, the ISI limited distance of positive dispersion is much longer than that of negative dispersion.
但是，由于非线性自相位调制效应的影响，在其它参数相同条件下，正色散时的ISI限制距离比负色散时要长得多。
Based on the phase modulation of binary optics, the binary phase only masks are used to couple the elliptical Gaussian beam to single mode fiber.
采用二元光学位相调制的基本思想，用二元纯位相型光学系统将椭圆高斯型激光束与单模光纤最佳耦合。
The error performance of continuous phase modulation (CPM)with optimal coherent detection depends on its minimum squared Euclidean distance(MSED).
连续相位调制的最佳相于解调的误码性能取决于其最小平方欧氏距离。
Our simulation results also show that these multi-tone pump phase modulation techniques are more appropriate for the future high bit rate systems.
我们的分析结果还指出这种多重单频正弦波泵浦相位调制技术更加适合于将来的高比特速率系统。
Our simulation results also show that these multi-tone pump phase modulation techniques are more appropriate for the future high bit rate systems.
我们的分析结果还指出这种多重单频正弦波泵浦相位调制技术更加适合于将来的高比特速率系统。
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