The time delay-time stretch effect of wide-band extension target and the time-frequency domain characteristics of LFM signal are analyzed.
分析了宽带延展目标的时延-时间伸缩效应及其导致的回波信号在时域和频率域的特性;针对LFM信号的时频分布特点,利用WVD和Radon联合变换技术,提取LFM信号在时-频域分布上的特性参数,提出了一种宽带延展目标回波参数提取方法,得到了目标的时延—时间伸缩分布。
Motion parameters are estimated by analysing characteristics of multi echoes time delay-time stretch images.
提出了一种基于图像熵技术的匀速运动目标多脉冲宽带时延-时间伸缩成像方法。
A wide-band acoustic imaging approach of underwater target based on time delay-time stretch model is presented.
提出了一种基于宽带时延-时间伸缩的目标几何像求解方法。
Brand extension routes of the First Qin Emperor and terracotta warriors as a world heritage;
秦始皇陵及兵马俑世界遗产的品牌延伸路径
Extending Path Algorithm of all Shortest Paths on Network
求网络中全部最短路的径路延伸算法
extend like the radii of a circle.
延伸好像一个圆的半径。
The path goes east from here
这条小径由此向东(延伸)。
A way down.
下坡路向下延伸的路
This road extends into the woods
这条路延伸到树林里。
rail roads thrusting into hilly regions
向山区延伸的铁路线
The road runs along the river bank.
这条公路沿河岸延伸。
This road reaches to the river.
这条路一直延伸到河边。
The road ranges westward from the lake.
这条路由湖边向西延伸。
lead. extend, or afford access.
领导,延伸或者提供通路。
The road goes east from here.
这条路从这儿向东延伸。
The road extends for miles and miles.
这条路向远处绵延伸展.
long unbroken(often curved) stretch of road,river,coast,etc or of sloping land
延伸的(常指弯的)路、河、岸等;绵延的坡地
The path descends to the pond
这条小径向下延伸至池塘。
The road climbs up to 1,000m above sea level .
这条路向上延伸至海拔1000米。
The ribbon of road continued as far as the eye could see.
带状的蜿道路延伸至视线所及的远处。
New railroads are rapidly thrusting into the hilly regions.
新的铁路线迅速向山区延伸。