This total modulation index must not exceed unity, or distortion will result.
这总的调制度不得超过一,否则就会产生失真。
Results show that the lower guide mode acting as the modulation channel is, the larger modulation index can be obtained.
结果表明,作为调制通道的导模阶数越低,调制效率越高。
The experimental results show that the co-control of control angle and modulation index has better dynamic characteristics.
实验结果表明,采用控制角与调制深度相结合的双变量协调控制具有更好的动态性能。
The signal is modified utilizing a second voltage distortion compensation method if the modulation index is at least equal to the first modulation index value.
和如果所述调制指数至少等于第一调制指数值,那么就利用第二电压失真补偿方法来修正所述信号。
The phase difference between the signals from beam forming net can affect the modulation index of single channel signal and can lower the precision of tracking.
和差网络输出的和差信号相位差会影响单通道信号的调制度,进而降低跟踪精度。
Under the same amplitude modulation index and same frequency modulation index, different SVM waveforms can be derived from different sampling point distributions.
相同频率调制比和幅度调制比的情况下,对调制波信号的不同采样点分布可以得到不同的SVM波形。
Under a certain deliver distance and the light power, the different sub-carries number to exist a best optical modulation index, making the system's carrier-to-noise ratio biggest.
一定的传输距离和发射光功率情况下,不同的子载波数存在一个最佳的光调制指数,使得系统载噪比最大;
In this paper, we present a novel covert communication technique based on adaptive quantization index modulation (AQIM) and channel coding via the comparison of several existing ones.
比较目前几种信息隐藏技术,提出了一种基于自适应量化索引调制(AQIM)与信道编码实现信息隐藏通信的新方法。
It is a practical method to realize fine-index of step-angle by means of modulation phase-current on the principle of defined change law.
用调制相电流按给定规律变化的原理实现步距角的细分是一种适用的方法。
We research the various index modulation methods and design the scanning device to realize the apodized exposure.
研究了光纤光栅不同折射率调制的实现方法,并设计研制了实现变迹曝光法的扫描装置。
Daqing crude oil production using a high viscosity index base oil and 25 oil-based transformer oil, add antioxidant, anti-rust additives, such as by modulation.
采用大庆原油生产的高粘度指数基础油和25号变压器油为基础油,加入抗氧、防锈等多种添加剂调制而成。
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。
Then the simplified model for the LPFG is deduced with ignoring longitudinal coupling of modes and coupling of cladding modes themselves, and also assuming the modulation of refractive index exis...
忽略轴向的模式耦合以及包层模式之间的相互耦合作用,并认为折射率指数的调制只存在于纤芯中,建立了简化的长周期光纤光栅数学模型。
A phase hologram not only has relief modulation but also has refractory index modulation, both modulation will affect the diffraction property of the phase hologram.
位相全息图一般既有浮雕调制又有折射率调制,它们都会对衍射特性产生影响。
We suggested to stable the output light intensity by using the bistable optical device and use this new device to measure the density of liquid by refractive index modulation sensor.
我们提出采用光学双稳装置来稳定光源输出功率,并将它用于折射率调制型光纤传感器测量液体浓度的实验中。
Vascular endothelial function was evaluated by arterial augmentation index (AAI), and autonomic modulation was evaluated by heart rate variability (HRV) and blood pressure variability (BPV).
采用动脉增加指数(AAI)评价血管内皮功能,心率变异(HRV)及血压变异(BPV)评价自主神经调制。
Good photon sensitivity, large index modulation and high resolution make monomer in a number of applications such as holographic polymer grating, photonic crystal and light phase modulator.
聚合物单体由于光敏感性好、折射率调制度大和分辨率高等优点在全息聚合物光栅、光了晶体和光相位调制器等器件中得到广泛的应用。
Optic-fiber sensor on refractive index modulation can be applied to measure the steam quality in the process of viscous oil heating recovery.
折射率调制的光纤传感器可用于测量稠油热采过程中的蒸汽干度测量。
Optic-fiber sensor on refractive index modulation can be applied to measure the steam quality in the process of viscous oil heating recovery.
折射率调制的光纤传感器可用于测量稠油热采过程中的蒸汽干度测量。
应用推荐