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- To extend the applied range of MAP-NSF algorithm, the problem ofrobust estimation of DOAs of spatial signals under gain/phase error and unstructured error were considered. 为了拓宽最大后验概率-噪声子空间拟合(MAP-NSF)算法在信号到达角估计上的适用范围,针对通道特性失配和非结构误差两种阵列扰动模型,对MAP-NSF算法的信号到达角估计问题进行了讨论。
- 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。
- An error model of transmitting array mutual coupling, gain and phase error of the synthetic transmitted beam bistatic HF-Surface Wave Radar (HF-SWR) is investigated in this paper. 该文研究了基于发射方向图综合的双基地高频地波超视距雷达发射天线阵互耦、幅度及相位误差模型。
- 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。
- 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。
- Array gain and phase error correction based on GA 基于GA的阵列幅相误差校正新方法
- The PID control systems were tuned using well?known PID tuning methods, such as Ziegler?Nichols, Chien?Hrones?Reswick, Cohen?Coon, IMC, Opt, Pole? Assignment, and Gain Phase Margin, for several classical thermal models. 针对若干典型热工对象,对一些典型的PID整定方法:Ziegler-Nichols方法、Chien-Hrones-Reswick方法、Cohen-Coon方法、IMC方法、IST2E最优方法、极点配置方法、幅值相位裕量方法所设计的PID控制系统的过渡过程性能进行了比较。
- calibration of array's gain and phase error 阵列幅相校正
- 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。
- By means of shimming,the filed integral and phase error can be reduced as much as possible. 磁场的垫补和测量方法由原来的整体测量改为分段进行,垫补的使用使各段积分场及位相误差都尽可能小。
- The effect of the quantization of the fringe intensity on the phase error in phase shifting measurement is formulated. 对相位移测量技术中的条纹强度量化所引起的相位误差进行了定量研究。
- Puts forward RRF Filtering which is a new way to realize digital filtering with zero phase error through reversing the time serials of the signal. 提出了将输入信号序列反转后通过滤波器 ,然后将所得结果逆转后再次通过滤波器的RRF滤波方法。
- Then, the origin and the effect on imaging of time domain polar format algorithm residual video phase error are analyzed. 然后分析了时域极坐标算法存在残余视频相位误差的原因及其对成像结果的影响。
- logarithmic gain phase characteristic 对数增益相位特性
- This paper proposes a progressive approach algorithm based on image cost function to compensate the random phase error in SAR/ISAR imagery. 本文提出逐级逼近算法,基于图像评价函数,对SAR/ISAR中的随机干扰相位进行补偿。
- Based on geometrical condition of relative height measure, the relations between relative height accuracy and interferometric phase error are deduced. 基于相对测高几何,推导了相对测高精度与干涉相位误差的关系式;
- Simultaneously, the influence of Gauss/Super-Gauss beam's waist radius, phase error and order number upon diffractive field was discussed. 分析了高斯、超高斯光束的束腰半径、位相误差和阶数对衍射场的影响。
- Due to steady phase error,low-order PLL has a trouble in tracking frequency ramp signals,so that the receiver cannot lock carrier signals. 低阶锁相环跟踪频率斜升信号时产生的稳态相差致使环路失锁,接收机无法锁定载波信号。
