The modulation characteristics obtained by calculation in this paper have be…
文中计算得的调制特性已经过实验验证。
The modulation characteristics obtained by calculation in this paper have been verified...
文中计算得的调制特性已经过实验验证。
The high frequency modulation characteristics of GaAs-GaAlAs DH LBDs are analyzed and the results (data and curves) presented.
分析了器件的两种高频调制特性，给出了测量结果——数据和曲线。
The small signal analysis for high frequency modulation characteristics of specific wavelength laser diode with narrowband filter was presented.
采用窄带滤光片作为选频元件对精确波长激光器高频调制特性进行了小信号分析。
The optical modulation characteristics, differential gain (DG), differential phase (DP) and signal-to-noise ratio (S/N) are described as well in this paper.
文中论述了光调制特性、微分增益（DG）、微分相位（DP）、信噪比（S/N）等重要问题。
According to GPS signal structure and modulation characteristics, a GPS intermediate frequency digital signal is simulated under the condition of noise environment.
根据GPS信号的结构和调制特点，加上环境噪声，模拟出GPS中频数字信号。
Different types of LCSLM have different modulation characteristics, in particular their phase modulation characteristic, so this must be measured before it is used.
但由于不同型号的液晶空间光调制器的调制特性，尤其是位相调制特性存在较大的差异，故在实际使用前均需加以测量后才能应用。
Experimental results show the optical re-constructed image and numerical reconstructed image are similarity, thus the accuracy of phase modulation characteristics is verified.
实验结果表明，光学再现像与数值模拟结果相吻合，从而验证了纯相位调制特性测量的准确性。
Due to the excellent modulation characteristics of laser diode (LD), the infused current of the LD is modulated to make the intensity of the laser beam change with the modulation signal.
本文利用半导体激光器良好的调制特性，对其注入电流进行调制，使激光器输出光强随调制信号变化。
While the modulation characteristics disappear as the outer circular aperture is bigger than 1.5 times of the beam waist size, the results offer reasonable aperture parameter for diffraction.
当外孔大于1.5倍束腰时，衍射后轴上光强调制被有效压抑，这为选择光阑提供了合理参数。
The laser driver optimizes the characteristics of data streams and provides the adequate modulation current to the laser.
雷射驱动器将资料流的波形特性最佳化，并且提供适当的调变电流给雷射。
This paper introduces the characteristics of GMSK modulation, discusses the relationship between Gaussian Filter BT value and the performances of GMSK modulation.
本文介绍了GMSK调制方式的特点，给出了高斯滤波器BT值与GMSK调制方式性能的关系。
The digital transmission system Q factor-a new concept may be used to analyse the characteristics of digital transmission systems with different kinds of modulation.
数字传输系统的品质因数Q—这个新概念可以用于具有各种调制的数字传输系统性能的分析。
In this article several operation modes of the 555 timer applied to the pulse Modulation (PM) and their corresponding operation characteristics are expounded.
本文阐述了555时基电路用于脉冲调制(PM)的几种工作模式及其相应的工作特点。
This paper introduces the characteristics of BOC modulation and the merits compared to BPSK modulation.
现介绍BOC调制的性质及和BPSK调制方式相比较的优点。
This paper analyses the frequency characteristics of the gear meshing and the signals due to amplitude and frequency modulation.
本文分析了齿轮传动的频率特性和它所产生的频率和幅值调制信号。
Method Modulation transfer function (MTF) was used to analyze the spatial frequency transfer characteristics of ct and MRI.
调制传输函数可对线性影像系统的频率传输特性进行描述。
The characteristics of spectrum linewidth, FM modulation and variability of wavelength are presented.
并对频谱线宽、FM调制特性和波长可变特性作了介绍。
Statistics histogram data processing scheme is designed. Standard deviation of frequency modulation is found out according to normal distribution characteristics.
设计了统计直方图数据处理方案，按照正态分布的特性找出了寄生频率调制的标准偏差。
Simulation results show that the model with channel-length modulation effects included agrees with the measured I-V characteristics in the saturation region.
计算结果表明，计入沟道长度调制效应后的直流模型在饱和区与实测的I-V特性较为吻合。
The frequency spectrum and characteristics of pulse interval and width modulation (PIWM) are derived in detail.
推导了非同步型脉冲间隔与宽度双重调制(P I W M)的频谱及其特点。
A new method of modulation identification for communication signals, using wavelet transform to extract characteristics and based on support vector machines (SVM), is proposed.
提出了一种应用小波变换提取分类特征的基于支撑矢量机的通信信号调制识别方法。
The measurement of modulation transfer function (MTF) of the sampled imaging optoelectronic system is rather complex and irrepeatable for their shift-variant characteristics.
离散光电成像系统因其不再具有平移不变特性，它的调制传递函数测试具有相当的复杂性和不稳定性。
The characteristics of the diffraction efficiency, compression, cross modulation, and intermodulation intensities are analysed theoretically.
分析了多维声光衍射的衍射效率、压缩、交叉调制和互调制强度等特性。
The pressure test on granite has researched into the tectonic activities between the continuous occurrence of strong earthquakes and its spatial-temporal characteristics of modulation ratio.
并用花岗岩块体受压实验结果初步探讨了中强地震连发及其调制比时空展布特征的构造活动。
Based on the diffraction integral theory, the quasi-focused characteristics of a laser beam with waviness modulation have been studied theoretically and numerically in the paper.
采用光波的衍射积分理论，对具有波纹调制激光束的准聚焦特性进行了理论分析。
The principle of impulse radio (IR), several kinds of pulse generators, pulse modulation and signal emission for UWB radio, as well as characteristics of UWB-IR are mainly presented and concluded.
重点分析了脉冲无线电方式的原理，脉冲的几种产生方法，调制、发射以及脉冲信号的技术特点。
Cooperation with hierarchical modulation can employ broadcasting characteristics of wireless channel and location advantage of relay node to confront fading.
基于分级调制的中继协作技术可以很好地利用无线信道的广播特性和中继节点的位置优势来对抗信道衰落。
In the paper, the threshold, light output, mode, modulation, polarization, far field characteristics and thermal resistance effects are analyzed and generalized.
本文分析总结了垂直腔面发射激光器的阈值特性、光输出特性、模式特性、调制特性、偏振特性、远场特性以及热阻效应。
According to the CWDM wavelength dependent transmission characteristics, an FBG sensing DE - modulation method was proposed and an experiment system was established.
本文利用粗波分复用器(CWDM)的传输特性与波长的关系，提出了一种FBG传感解凋方法并建立了实验系统。
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