The general methods decreasing the modulation nonlinear distortion are given.
讨论了减小调制非线性失真的一般方法。
Nonlinear distortion of the images is relative to camera state when it shoots the images.
图像中的非线性畸变与相机拍摄时的状态有关。
So tranditional memoryless predistortion can not compensate memory nonlinear distortion of PA.
因此,无记忆预失真器不能校正放大器的记忆非线性失真。
The mixing system is composed of a linear convolution followed by an invertible nonlinear distortion.
混合系统由线性卷积混合后接一个可逆非线性失真组成。
A novel approach of nonlinear distortion compensation technique based on RBF network is proposed here.
提出了一种基于RBF神经网络的非线性失真补偿技术。
Therefore, it is possible to analyze quantitatively DP and DG, the nonlinear distortion of LED driver.
从而使定量分析led驱动电路的非线性畸变dg和DP成为可能。
The post nonlinear mixture is formed by a component wise nonlinear distortion after the linear mixture.
后非线性混合信号是由线性混合的每一路信号分别经过一个非线性畸变产生的。
The process of nonlinear distortion correction of orthogonal pattern group in E-beam scanning is introduced.
论述了电子束扫描正交图形簇产生畸变的非线性校正过程。
The true value diagrams are used to do the camera calibration. This method takes nonlinear distortion of the lens.
采用真值表法进行相机标定,将镜头畸变非线性微分化,有效克服了镜头畸变造成的影响。
The relationship between nonlinear distortion and maximum output level of amplifier in CATV systems is analysed in this paper.
该文分析了CATV系统中放大器的非线性失真与最大输出电平的关系。
A nonlinear distortion is compensated according to the characteristic relating to the characteristic of an object to be measured.
根据与被测量物特性关联的特性来补偿非线性失真。
Adaptive baseband predistortion is an effective technique for compensating nonlinear distortion introduced by high power amplifiers.
自适应基带预失真技术是用于补偿高功率放大器非线性失真的一种有效技术。
Linearizeation technology is now widely used in order to reduce the power amplifier nonlinear distortion without loss of efficiency.
为了在不损失效率的条件下降低功率放大器的非线性失真现在广泛采用了线性化技术。
Adaptive digital predistortion is an effective technique which compensate nonlinear distortion introduced by the high power amplifier (HPA).
自适应数字预失真是补偿高功率放大器非线性的一种有效技术。
The OFDM system has a major disadvantage that high peak to average power ratio (PAPR) can cause nonlinear distortion in the high power amplifier (HPA).
OFDM系统的一个主要缺陷就是峰平比过高引起的高功率放大器(HPA)的非线性失真。
Based on the analysis of nonlinear distortion of optically imaging system, a simple and effective digital method for correcting nonlinear distortion is proposed.
该文通过对光学成像系统中非线性畸变的分析,提出了一个数字校正方法。
Nonlinear distortion of images by digital camera is made of combined errors of lens in the camera. It is confirmed through theoretic analysis and experimental proof.
通过理论分析和实验验证,在数码相机成像中,二维图像中的非线性畸变主要来自于相机镜头中透镜的组合误差。
Furthermore, the time history and spectrum of the average flow velocity through an orifice are computed, from which the nonlinear distortion of flow velocity is analyzed.
进而计算了圆孔中的声质点速度,并分析了孔中速度的畸变情况、最后给出了圆孔的非线性声阻和声抗的理论值。
In the application fields of computer vision, camera nonlinear distortion should be rectified in order to enhance the accuracy of the image measurement and 3d reconstruction.
在计算机视觉的应用领域中,为了提高图像量测和3维重建的精度,必须对相机的畸变误差进行修正。
This paper fcutativcly discusses the nonlinear distortion caused by blockage-leakage in the photon-counting tcchnigue and proposes a set of new method to decrease the defects.
本文对光子计数探测中堵塞漏计引起的非线性失真现象作了一些新的探讨相分析,提出了一套新的减少漏计的论证。
Sinusoidal signal generator sinusoidal signal of the main circuit and systems used to measure the frequency characteristics of the nonlinear distortion, and gain sensitivity and so on.
正弦信号发生器正弦信号主要用于测量电路和系统的频率特性、非线性失真、增益及灵敏度等。
The method USES the model of radial nonlinear distortion with the symmetry of optical axis to obtain correction coefficients of the optical lens, and then corrects the distortion image.
该方法利用与光轴对称的径向畸变数学模型求出光学镜头的校正系数,对畸变图像进行校正。
Nonlinear distortion caused by diffraction in the lithography process has severely affected the quality of surface profile, which is the main reason for pattern distortion in lithography.
光刻过程中由于光的衍射效应产生的非线性畸变对光刻面形质量具有严重影响,是造成光刻微结构图形失真的主要原因之一。
A method that is used to expressing magnitude of the image nonlinear distortion is brought forward, after relation of the magnitudes of nonlinear distortion and the image pixels is studied.
在分析和研究了图像中非线性畸变的大小与图像像素多少之间的关系基础上,提出了定量表示图像中所含非线性畸变大小的方法。
But the OFDM signal has a large PAPR, which results in the significant nonlinear distortion when it passes through a HPA (high power amplifier), thereby the performances of the system descend.
但是OFDM信号有高的峰值平均功率比,当它通过高功率放大器时会导致非线性失真,从而使得系统的性能下降。
By compensating with P-type bootstrapped switch, this circuit can overcome nonlinear distortion, which is generally introduced by signal-dependent on-resistance, and improve sampling resolution.
采用P型栅压自举开关补偿技术,可以有效地克服采样管导通电阻变化引入的非线性失真,提高采样精度。
The proposed algorithm is evaluated with FVC2004 database, and the experimental results show that the proposed algorithm has excellent performance and is strongly robust to nonlinear distortion.
该算法在国际指纹识别竞赛FVC2004的数据库上进行了测试,实验结果表明,该算法有着良好的匹配性能,并有较强的处理非线性形变的能力。
A new evaluation approach for the in-band nonlinear distortion, which is formed by the orthogonal frequency division multiplex (OFDM) signal passing through the high power amplifier, is presented.
提出了研究正交频分复用(OFDM)信号通过高功率放大器产生的带内非线性畸变的一种新方法。
A new evaluation approach for the in-band nonlinear distortion, which is formed by the orthogonal frequency division multiplex (OFDM) signal passing through the high power amplifier, is presented.
提出了研究正交频分复用(OFDM)信号通过高功率放大器产生的带内非线性畸变的一种新方法。
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