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- Echo Signal Detection 回声信号检测
- In LFMCW radars,the echo signal of moving target with acceleration has Doppler aberration which will cause the detection performance and parameter estimation loss of target. 在线性调频连续波(LFMCW)雷达中,加速度运动目标回波存在多普勒频谱畸变现象,造成目标检测性能和参数估计精度损失。
- Easy verification of signal detection by the indicator. 通过指示器非常方便检测。
- It can also simulate the speed about distance changing and adjust the pulse width of echo signal. 此外，本目标回波距离处理器还可以仿真距离变化速率，调节回波脉冲的宽度。
- Target echo signals are the main information source in underwater acoustic detection system. 目标回波信号是水声探测系统主要的信息来源。
- SPGA algorithm compensates the envelope and phase of the echo signal which has not be corrected range migration. SPGA算法利用估计得到的侧摆对距离徙动校正前的回波数据进行包络和相位补偿。
- Busy signal detected at remote site on callback. 在远程站点回拨时检测到了占线信号。
- Describes a distance simulator of echo signal used in radio frequency simulation system. 描述了射频仿真系统中使用的目标回波距离处理器。
- Because the truths of the echo signal simulation are directly influenced by the accuracy of the simulation algorithms. 模拟算法的优劣直接影响着模拟产生的回波信号的真实性。
- Radio frequency simulation system(RFSS) is mainly used to simulate echo signal of radio frequency target in laboratory. 射频仿真系统(RFSS)主要是用在实验室里模拟空中射频目标信号。
- Wavelet packet transform is used to improve the SNR of the incoherent integral radar echo, and bispectrum algorithm is used for signal detection in this united detecting algorithm, based on the modeling for the through-wall radar echo. 在对穿墙雷达回波信号建模的基础上，用联合算法将非相干累积后的回波信号经过小波包变换提高信噪比，再用双谱算法进行信号检测。
- A way to measuring the vector miss distance using echo signal from Multiple Frequency CW-Tracking Radar is described in this paper. 本文详细介绍了利用多频连续波测量雷达回波信号进行脱靶量测量的方法。
- Miss distance parameters are estimated by matching pursuit algorithm to search the basis function which best matches the echo signal. 通过匹配追踪算法寻找与回波信号最匹配的基函数来确定脱靶量参数。
- Adaptive MTI techniques used in radar signal processing,that is,moving clutter suppression to radar echo signal is discussed. 讨论雷达信号处理中的自适应动目标显示技术,即雷达回波信号中的运动杂波抑制问题。
- The applications of a photon counter in a signal detection system of a compact Mie Scattering Lidar is described on this paper. 摘要介绍了光子计数器的结构、工作原理并对其进行了响应校准。
- The imaging fundamental of SAR was expatiated and the raw echo signal model of complex three-dimensional ground object target was established. 阐述了复杂三维地物目标模型的建立方法,分析了回波信号的结构并且讨论了成像仿真参数。
- Establishment of quantitative signal detection system can greatly enhance the efficiency of ADR monitoring. 不良反应定量信号检测系统的建立可以极大地提高药品不良反应监测工作的效率。
- Based on non-Gaussian AR-model, parametric bi-spectrum method is used to extrapolate radar echo signal; then the ISAR imaging has been done. 利用双谱分析方法,用非高斯AR模型对雷达目标回波信号进行参数化双谱估计,并在此基础上对数据进行外推处理,然后对数据进行ISAR成像。
- De-noisding by soft-thresholding is a new signal detection method in wavelet analysis. 摘要采用浮动阀值分离噪声是小波分析中一个新的信号检测方法。
- An ocean echo signal simulation system for verification and calibration of FMICW high frequency ground wave radar is presented in this paper. 该文给出一种调频中断连续波(FMICW)高频地波海况监测雷达的仿真模拟检验系统。
