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- quadratic phase errors 二次相位误差
- Quadratic phase error 平方相差
- It analyses quadratic phase stainless and its metal compound generated from weld seam and HAZ,which affect welded pipe usage property. 分析了双相不锈钢及其焊缝和热影响区中产生的金属间化合物等二次相对焊管使用性能的影响。
- It state that in order to avoid their disadvantage effect to toughness and anticorrosion property,must take some actions during quadratic phase stainless production. 指出为了避免二次相析出对韧性、抗腐蚀性产生不良影响,在双相不锈钢焊管生产中必须采取的一些措施。
- This shows that the amplitude and phase error has important effect on ASLC. 理论分析和仿真结果表明幅相误差对自适应旁瓣对消系统具有重要的影响，必须加以克服。
- As one of the key techniques in inverse synthetic radar(ISAR),autofocus is to eliminate the phase errors caused by the target radial motion. 自聚焦是ISAR成像中的一项关键技术,其目的是消除目标和雷达的径向运动引起的相位误差。
- In this paper, a new method of phase errors estimation based on higher order statistics is proposed for SAR imagery autofocus. 提出了一种基于高阶统计量分析的相位误差估计算法,用于SAR图像自聚焦。
- The reference light is slant and parallel when the complex filter is being built for VLC. We design a optical recognition 2f+p system whose complex filter contains quadratic phase term. 我们设计的复数滤波器带二次位相因子的光学相关识别 2f+p系统 ,在制作复数滤波器时 ,参考光是一束倾斜入射的会聚光 ,使复数滤波器包含一个二次位相因子 ;
- On the basis of CGH, it can encode two objects simultaneously by adding negative quadratic phase factor on the conjugate Fourier spectrum of one object and adding positive quadratic phase factor on the Fourier spectrum of the other. 它是在计算全息的基础上 ,通过对两个物的傅里叶谱或共轭谱分别加正的或负的二次相位因子 ,求和后进行编码、制图、缩微而得 ,该滤波器可以分别对两个物实现匹配。
- Abstract： The effects of undulator phase errors on the Free Electron Laser small signal gain is analyzed and discussed. 摘 要： 对波荡器位相误差对自由电子激光小信号增益的影响进行了分析讨论。
- Bispectral analysis can reveal information of quadratic phase coupling of a time series and fits well the demands of characteristic extraction while on-line monitoring wear conditions of a milling cutter. 摘要双谱分析能够揭示时间序列的二次相耦合信息，特别适于铣刀磨损状态监测信号的特征抽取。
- Besides, this paper presents some means to decrease the interchannel phase errors via system hardwares and imaging algorithm. 同时给出了在系统硬件方面以及成像处理中减小通道间相位误差的一些措施。
- Methods The phase sensitive method was used to remove the phase errors and restore the polarity of theinversionrecovery data . 方法采用相位敏感方法消除相位误差,保存反转恢复序列中磁化矢量的极性。
- A quadratic phase factor and DOG wavelet transform function are introduced into traditional matched filter to sharpen correlation peak, which is fabricated by computer generated hologram. 用计算全息制作该匹配滤波器时，引入DOG子波函数，以达到锐化相关峰的目的。
- This paper use the Bispectrum estimation using the direct method to process the tremor, based on studying the theory about bispectrum.It can detect quadratic phase coupling in tremor signal. 在对双谱分析理论充分研究的基础上，应用直接法双谱估计分析不同类型的震颤信号，检测不同震颤二次相位耦合情况。
- Computer simulation results show that the proposed method can reduce the array phase errors and improve the DOA estimation performance of MUSIC algorithm. 计算机仿真结果表明，该方法可以明显地减小阵列相位误差对MUSIC算法DOA估计结果的影响。
- This paper presents the effect of carrier phase error on MC-CDMA performance in downlink mobile communications. 该文对下行无线通信信道中MC-CDMA系统的载波误差性能进行了研究。
- The phase error between the segments was extracted from the interferograms mismatching. 子镜间相位误差通过干涉图形间的不匹配性进行提取。
- Undulator rms phase error is expressed as function of the magnet peak field distribution. 摘 要 ：给出了波荡器位相误差的函数式, 可由磁场峰值分布直接计算波荡器位相均方根误差。
- The gain and phase error calibration for Linear Equi-spaced Arrays (LEA) is considered in this paper. 该文研究均匀直线阵幅度和相位误差校正问题。
