1) Stepped frequency
步进频
1.
The back projection method of through-wall stepped frequency signal is deduced.
雷达穿墙检测是一种新颖的人体探测技术,文中构建了电磁波穿透绝缘介质墙的数学模型,推导了步进频信号穿墙后向投影算法,给出了算法实现流程,并对介质墙存在时的非聚焦及聚焦成像结果进行了仿真,验证了算法的有效性。
2) step-frequency
步进频
1.
The principle of LFM and step-frequency HRR technology are investigated in this paper.
分析了LFM和步进频雷达体制的成像原理,对两种成像体制的性能进行了比较,通过比较可以得到,对于静止目标,两者的成像结果是相当的,但对运动目标,步进频体制下目标运动引起的距离像的平移和展宽比较明显。
3) step frequency
步进频率
1.
Fundamentals of step frequency radar signal processing are presented firstly.
首先介绍了步进频率雷达信号处理的基本原理,然后分析了步进频率雷达信号处理中,形成真实一维高分辨距离像时采用的几种典型目标抽取算法的缺点及成因,提出了更实用的目标抽取原则和最大可信度算法,最后通过计算机仿真及某雷达系统的外场实测数据处理验证了其可行性和有效性。
2.
In this paper, a kind of step frequency and pulse Doppler complex signal processing system is introducde.
提出了一种步进频率和脉冲多普勒(PD)复合体制的信号处理系统的设计与实现方法。
4) stepped-frequency
频率步进
1.
New estimation method of target s radial velocity for stepped-frequency radar;
一种频率步进雷达目标径向速度估计方法
2.
In this paper,the model of the step frequency signal considered the phase noise of frequency source is presented,and the phase noise effects on the stepped-frequency radar system is dis- cussed.
文中提出了基于频率源相位噪声的频率步进雷达系统的信号模型,讨论了频率源相位噪声对频率步进雷达系统性能的影响,并得出在满足系统性能的前提下对频率源相位噪声的要求,分析和仿真的结果对系统设计具有一定的指导意义。
3.
When synthesizing high resolution range profile for stepped-frequency radar, the desire for target velocity compensation accuracy is very rigorous.
频率步进雷达合成高分辨距离像时对速度补偿的精度要求很高,而采用高分辨距离间隔像处理则可以大大降低这种要求。
5) stepped frequency
频率步进
1.
Investigation on angle error detection algorithm of conical-scanned pulse doppler and stepped frequency composite guiding system;
锥扫脉冲多普勒/频率步进复合制导系统测角方法研究
2.
A new method is presented to locate multi-target 3-D coordinates by using stepped frequency waveform and cross received array antenna.
频率步进信号是发射载频步进变化的子脉冲串合成的大带宽信号,具有较高的距离分辨率,阵列天线是借助阵列信号处理的空间谱估计提高方位分辨率。
3.
As a high-range-resolution radar system, stepped frequency radar has great potential applications in accurate missile weapons.
频率步进雷达作为一种高距离分辨率雷达,在精确制导武器中有着广阔的应用前景。
6) step swept frequency
步进扫频
补充资料：140t/h梁底组合步进式加热炉(上海第二钢铁厂)
140t/h梁底组合步进式加热炉(上海第二钢铁厂)
、护‘:一步进式力口热霹
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