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- A digital base band adaptive predistortion method to compensate nonlinear distortions introduced by a high-power amplifier (HPA) in orthogonal frequency division multiplexing (OFDM) system is proposed. 摘要提出了一种用于正交频分复用(OFDM)系统中补偿由大功率放大器引起的非线性失真的基带自适应预失真方法。
- Having a frequency which is a fraction of a fundamental. Subharmonics appear in some forms of nonlinear distortion. 频率为基波的几分之一的谐波。分谐波以某种非线性失真形式出现。
- To mitigate the nonlinearity distortions to OFDM signal and improve PA"s efficiency, it is necessary to compensate the nonlinearities introduced by the amplifier. 为了减小功放对OFDM信号产生的非线性失真,提高其功率效率,就必须对功放的非线性进行补偿。
- Nonlinear Distortions of DFB Lasers in AM CATV Transmission Systems AM CATV系统中DFB激光器的非线性失真
- The effect of nonlinear distortions in amplifier on CATV system 放大器非线性失真对电缆电视系统的影响
- In this paper the nonlinear distortion in a lightwave AM-VSB CATV system with erbium-doped fiber amplifier(EDFA) was studied theoretically. 本文从理论上研究了有掺铒光纤放大器的光纤调幅有线电视系统的非线性失真问题。
- Composite second order distortion (CSO) is one of the main nonlinear distortion in optical fiber CATV transmission system. 复合二次失真 (CSO:Composite Second Order Distortion)是光纤 CATV中最主要的非线性之一 .
- In this paper the nonlinear distortion in a lightwave AM?VSB CATV system with erbium?doped fiber amplifier(EDFA) was studied theoretically. 本文从理论上研究了有掺铒光纤放大器的光纤调幅有线电视系统的非线性失真问题。
- The mechanics characteristic, especially to the bar buckling抯 large displacement and nonlinear distortion is deeply analyzed and calculated. 对该模型的力学特性,特别是失稳压杆的大挠度、非线性变形进行了大量的分析与计算;
- Actual correcting outcomes indicate that the predistortion algorithm is an effective means for solving nonlinear distortion of cylindrical screen. 实际的校正结果表明,采用预失真的方法进行柱面非线性失真校正,是一种行之有效的方法。
- How dare he distort the facts so brazenly! 他怎么敢如此肆无忌惮地歪曲事实!
- NONLINEAR DISTORTIONS OF LASER IN A SCM LIGHTWAVE SYSTEM 激光器非线性失真对SCM光波系统的影响
- It is not effective for people just to take an ideal memoryless model as a mathematical representation of the passive receiving system when analysing its nonlinear distortion. 摘要对雷达接收系统的非线性特性分析,若只把系统等效为理想的无记忆性模型,则得到的结论与其实际性能差别较大。
- The deteriorated signal-to-noise formula caused by nonlinear distortion products under QPSK modulation is derived and some amplifier examples are analysed. 导出QPSK调制下非线性失真产物引起的信噪比恶化公式,并对具体放大器例子进行了计算分析。
- In addition, a novel attribute, the number of ridges between minutiae and the fiducial point, is introduced and it is invariant to transition, rotation and nonlinear distortion. 在指纹匹配阶段引入一个新的属性,即细节点到基准点之间的纹线切割数目,该属性对指纹的平移和旋转以及非线性形变具有不变性。
- Abstract: In view of a calibration image in a tube camber measurement system, a nonlinear distortion correction method utilizing linear characteristic is presented. 摘 要: 针对管道弯曲度测量系统中定标图像的特点,提出了一种利用图像中直线特征的非线性畸变校正方法。
- In view of a calibration image in a tube camber measurement system, a nonlinear distortion correction method utilizing linear characteristic is presented. 针对管道弯曲度测量系统中定标图像的特点,提出了一种利用图像中直线特征的非线性畸变校正方法。
- In view of a calibration image in a tube camber measurement system,a nonlinear distortion correction method utilizing linear characteristic is presented. 针对管道弯曲度测量系统中定标图像的特点,提出了一种利用图像中直线特征的非线性畸变校正方法。
- This paper analyzes the cause of nonlinear distorion in amplifying circuit and puts forward the method of eliminating nonlinear distortion with EWB simulation software. 利用EWB软件进行电路仿真实验,研究基本放大电路出现的非线性失真的原因,提出消除非线性失真的方法。