1) PN acquisition algorithm
PN码捕获算法
2) PN code acquisition
PN码捕获
1.
Research of PN code acquisition under large frequency offset and low signal to noise ratio in DS spread spectrum;
大频偏低信噪比下直扩系统中的PN码捕获研究
2.
This article introduces the design and realization of IF GPS receiver digitalization in DS Orientation system, and gives a solution to the realization of IF digitalization, digital downconvrsion, PN code acquisition, carrier synchronization based on FPGA.
介绍了直接扩频序列系统的中频数字GPS接收机的设计和实现 ,给出了基于FPGA实现中频数字化、数字下变频、PN码捕获和载波同步等关键问题的解决方
3.
The problem of PN code acquisition is the key technique in DSSS receiver when there are narrowband interferences in the received signal.
变换域干扰检测与PN码捕获判决都需要估计接收机背景噪声功率,本文在变换域谱线幅度平方服从指数分布假设下,利用中位数估计理论对存在窄带干扰接收信号的背景噪声功率进行估计,实现干扰检测门限和PN码捕获判决门限的自适应设置。
4) acquisition algorithm
捕获算法
1.
Architecture design of GPS software receiver and implementation of its acquisition algorithm with fine frequency estimation;
GPS软件接收机的构建及其精频捕获算法的实现(英文)
2.
Architecture of software GPS receiver and implementation of its acquisition algorithm;
软件GPS接收机架构与捕获算法实现
3.
Simulation of acquisition algorithm for GPS software receiver based on FPGA
GPS软件接收机捕获算法的FPGA仿真
5) fast capture of PN code
PN码快捕
6) Parallel acquisition algorithm
并行捕获算法
补充资料:HP-241B色带打码机/HP-30手动打码机
适用材料:
塑料薄膜PT、PE、PVC、OPP、KT、铝箔、饮料瓶商标;各种塑料复合材料、塑料袋、纸(不干胶、卡片)、皮革、布;包装容器袋、塑料制品;电子元件外壳。
工作原理及结构特点:
采用热打印带代替油墨打印,采取特殊的活字装卸换字结构,可在任何软包装材料上打印。印字清晰,不易擦掉;卫生干净,无油墨污染之优,是一种经济卫生的打印方式。
HP-241技术参数:
最高速度:70-120次/分 可调
打印间距:任意
打印行数:1-3行
电 压:220V±10% 50Hz
功 率:200W
热打印带宽度:25-35mm
HP-30技术参数:
电 源:220V/50Hz
功 率:≤40W
尺 寸:225×200×155mm
重 量:2.5kg
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