1) echo matching
回波匹配
2) Match Retrive reasoning
匹配-回溯
3) backtracking matching
回溯匹配
1.
Found ambiguity field effective by forward matching method,backtracking matching,last words matching and debris inspection.
该方法首先对待切文本进行预处理,将文本分割成长度较短的细粒度文本;利用正向匹配、回溯匹配、尾词匹配、碎片检查来有效发现歧义字段;利用长词优先兼顾二词簇的方式对交集型歧义字段进行切分,并对难点的多链长交集型歧义字段进行有效发现和切分。
2.
Chinese word segmentation methods of the backtracking matching method is proposed based on the maximum matching method.
该方法首先对待切文本进行预处理,将文本分割成长度较短的细粒度文本;利用正向匹配、回溯匹配和尾词匹配来有效发现歧义字段;利用长词优先兼顾2词簇的方式对交集型歧义字段进行切分。
4) matched filtering
匹配滤波
1.
Application of cascade matched filtering in mixed source data processing.;
串联匹配滤波法在混合震源资料处理中的应用
2.
Using matched filtering method based on cosine transform to separate gravitational and magnetic a-nomaly.;
基于余弦变换的匹配滤波方法分离重磁异常
3.
Application of matched filtering technique to 3D achievement data processing of Linyi.;
匹配滤波技术在临邑三维成果资料处理中的应用
5) matched filter
匹配滤波
1.
In particular,the implementation of the matched filtering.
介绍了LabView实现的匹配滤波器等算法,并改进了匹配滤波的模板更新方法。
2.
In this paper,we put forward that the radar can transmit the LFM signal with wide band and long time and apply the matched filter to the signal processing to enhance the SNR of the helicopter blade echoes.
针对低重频毫米波雷达直升机旋翼回波信号检测中旋翼回波信噪比低的问题,本文采用发射大时宽带宽的线性调频信号,接收匹配滤波处理以增加旋翼回波信号的信噪比,并推导了线性调频旋翼回波模型。
3.
In order to detect the object in seabed in underwater acoustic image automatically,a synchro method based on matched filter and fractional detection is proposed in this paper.
为实现水声图象中沉底目标的自动探测,提出一种匹配滤波和分形检测相融合的方法。
6) matching filter
匹配滤波
1.
Faint signal processing of lidar based on wavelet transform and matching filter;
小波变换与匹配滤波耦合的激光雷达弱信号处理
2.
On the basis of analyzing the signal character of the static infrared-earth-sensor,a new digital signal processing based on matching filter was developed to find horizon information from the signal serial with low SNR.
针对国内静态红外地平仪探测器信噪比较低,传统地平检测方法定姿精度不高的现状,基于典型的静态地平仪设计,在分析探测器采样信号序列全局特征的基础上,设计了一套基于匹配滤波的信息处理算法,经仿真验证可以有效提高地平仪的定姿精度。
3.
The signal detection unit of the system is analyzed with matching filters to process the echo signals with idealized results, which plays an important role to the extraction of characteristic signals and the improvement of detection precision.
通过对测高系统中信号检测单元分析,采用匹配滤波对回波信号进行处理,达到了理想的滤波效果,这对特征信号的提取和提高系统的探测精度起到了关键的作用。
补充资料：单次激发回波平面成像
单次激发回波平面成像
磁共振成像术语。磁共振快速成像的方法之一。仅使用一次射频(RF)脉冲激励来获得图像的回波平面成像(EPI)方式。在EPI数据采集过程中令读出梯度快速往返振荡，产生一个相位编码彼此独立的梯度回波链，最终形成一幅图像。单次激发EPI采集时间短，一般仅为50～100ms，但存在着信号强度低、空间分辨率低、视野受限、磁敏感性伪影明显等缺点，这些缺点随技术的进步正在不断地克服。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条