LFMCW radar nonlinear residual frequency errors zero crossing detection periodogram.
标签LFMCW雷达非线性剩余频差过零检测周期图。
At a receiver, a phase rotation of the received data stream is determined to remove a residual frequency error or to estimate the phase noise.
在接收机处，确定所接收的数据流的相位旋转以去除残留频率误差或者估算相位噪声。
The algorithm of residual frequency estimation is detailed, and simulation results verify the proposal algorithm with good performances in both AWGN and multipath fading channel.
最后着重分析了残留频偏的估计算法，分别在AWGN信道下和多径衰落信道下仿真，结果表明所提算法均有良好的性能。
A single carrier modulation scheme suitable for use in high frequency communication systems is provided that achieves improved residual frequency error and phase noise estimation.
提供了一种实现改进残留频率误差和相位噪声估算的、适合于在高频通信系统中使用的单载波调制方案。
Simulations demonstrate that this method provides an accurate estimation of nonlinear residual frequency errors with high computation efficiency. An experimental result was also given.
仿真试验表明，该方法能够精确地估计调频非线性剩余频差，具有较高的运算效率，并给出了一个实际试验结果。
The residual side-lobes of the frequency response can be effectively suppressed by employing the window function technique, using Hannin.
采用窗函数技术可以有效地抑制具有坡度的同轴布喇格结构的频率响应曲线的残余旁瓣。
With an increase of the frequency and temperature, the eddy current loss and residual loss contributed to the total loss at the low induction.
随着频率的升高，即使在磁感应强度较低时，涡流损耗和剩余损耗的影响不容忽视，且两者都随温度的升高而升高。
The relationship between residual wavefront phase error and frequency response in an adaptive optical telescope is analyzed.
分析了自适应望远镜系统的波面补偿剩余误差与频率响应的关系。
Even under low frequency, residual loss exists still.
在低频率段，仍然存在剩余损耗。
The phase balance of the central frequency can ensure the accuracy of the correlation phase, and the residual phase error will only reduce the coherency.
实现信道中心频率的相位精度就可以保证干涉相位的精度，而通道内的残余相位差只会引起干涉相关度的降低。
Firstly, the concepts of frequency residual and mode shapes residual are introduced, the determination of objection function and selection methods of updated parameters are emphatically investigated.
文中提出了一种基于不同残差的桥梁结构模型修正方法，介绍了频率残差和振型残差的概念，目标函数的确定和设计参数的选择方法。
With the peak-seeking servo-controlled technology based on a residual error, an external optical cavity can keep in resonance with the frequency of Ti-sapphire laser in the experiment.
基于有差伺服调节技术，实现了外置光学谐振腔的共振频率与钛宝石激光器工作频率的锁定。
The internal mechanism of time delay filter to reduce the residual vibration of flexible structures cannot be explained with the normal frequency characteristic.
常规频率特性无法解释时滞滤波器抑制柔性机构残留颤抖的内在本质。
Fault sensitive feature is abstracted from high and low frequency of fault residual signal, by which sensor fault time, fault reason, fault degree can be diagnosed.
通过残差信号的故障高低频特性，提取故障敏感特征，实现了传感器故障时间、故障原因、故障程度的诊断。
Methods Twenty six cases of patients with NSCLC after chemotherapy and radiotherapy were enrolled and the residual diseases of the patients were treated with radio-frequency ablation.
方法将26例非小细胞肺癌患者放、化疗后的残留病灶进行射频消融治疗。
This algorithm combines the block Pilot-aided LS channel estimation algorithm with a phase tracking algorithm, which can compensate the phase rotation caused by the residual carrier frequency offset.
该算法在传统的基于块状导频的Ls信道估计算法的基础上，加入了相位跟踪算法，补偿了由残余频偏带来的相位旋转。
The simulation on medium frequency induction hardening process of crankshaft in 6110 engine is carried out by using FEA software ANSYS with hardening depth predicted and residual stress calculated.
利用A NSYS有限元分析软件，进行了6 110钢曲轴的中频感应淬火过程的模拟计算，并预测了淬硬层的深度，计算了淬火后的残余应力分布。
The simulation and experimental results show that not only the residual vibration but also the frequency of run-ups in the balancing process can be reduced effectively.
仿真和实验结果表明，该瞬态平衡方法在有效降低转子不平衡振动的同时，减少了平衡过程中的起车次数。
It has verified the regression Equation by the analysis of Power-frequency Spectrum of regression on residual value after removing the influence of the key factors.
然后采用谱分析技术，得出各价格的具体周期，并剔除关键诱因的影响后对回归残差进行功频谱分析，进一步对回归方程进行检验。
It has verified the regression Equation by the analysis of Power-frequency Spectrum of regression on residual value after removing the influence of the key factors.
然后采用谱分析技术，得出各价格的具体周期，并剔除关键诱因的影响后对回归残差进行功频谱分析，进一步对回归方程进行检验。
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