1) Barker code
巴克码
1.
Barker code,Frank code and P code used in the radar system are presented in the paper.
介绍雷达中常用巴克码、弗兰克码、P码等相位编码信号。
2.
Starting with the structure and work characteristics , the coding mode – combination of Barker code and Gray code、speed-adjusting process of the DC PWM motor、query mode of cyclic query and program query and verification through the whole process is researched.
从顺序操作式数字随动系统的结构和工作特点入手,研究了其巴克码和格雷码相结合的编码方式、PWM直流电机调速过程、循环查询和程序查询两种查询方式以及对随动系统整个工作过程的校验。
3.
The ambiguity function of the LFM-Barker code signal is analyzed, and then two methods of suppressing the discrete sidelobes are proposed, for the purpose of improving the ratio of output mainlobe to sidelobe in the LFM-Barker code pulse compressed signal.
为提高线性调频-巴克码信号脉压输出的主副瓣比,从理论上研究了线性调频-巴克码信号的模糊函数,提出了两种抑制其离散旁瓣的方法。
2) Baker code
巴克码
1.
Baker code is chosen as the pulse compression waveform,obtaining fine range resolution and improving detection performance.
结合气象目标物的特性介绍了适用于气象雷达的脉冲压缩技术;选择巴克码作为脉压编码波形,能获得较高的距离分辨率和最大可能探测距离,能够实现降水的三维快速扫描,增加短驻留时间内的独立采样数。
2.
In this paper, Baker code is used as the phase-coded waveform of pulsecompression for weather radar, and the inverse filter is used as compression filter andsidelobe suppression filter.
文中气象脉冲压缩雷达拟采用巴克码作为发射脉冲的编码形式;采用反向滤波器作为脉压滤波器,它同时具有副瓣抑制功能。
3.
Barker Code as one type of pulse compression signal,a baker code pulse compression radar system is modeled and simulated.
在高级设计系统ADS仿真平台上,开发了一套具有良好通用性和灵活性的脉冲压缩雷达系统模型库,为今后开发大规模雷达系统模型库和进行复杂雷达系统仿真打下了基础;在此工作基础上,以巴克码脉冲压缩信号为例,建立了相应的雷达系统模型,并结合系统性能分析的需求,在该系统仿真设计过程中引入蒙特。
3) bark code
巴克码
1.
The self-correlation function and the sharp single peak characteristic of bark code were introduced,and the application of bark code in the synchronization of speech file transferring by radio was studied.
介绍巴克码的自相关函数及其尖锐的单峰特性,研究巴克码在无线语音文件传输同步中的应用。
2.
The frame head is constructed by a 7 bit Bark code of 1110010.
为实现设备中存在的低速数据光纤通信的同步复接/分接,提出一种基于FPGA的帧同步头信号提取检测方案,其中帧头由7位巴克码1110010组成,在数据的接收端首先从复接数据中提取时钟信号,进而检测帧同步信号,为数字分接提供起始信号,以实现数据的同步分接。
3.
In this article, an 11-bit signal generator of bark code has been designed, the function of the generator has single and continuous output, at the same time, an 11-bit encoder of bark code has also been designed to drive the LBDs, the LBDs won t be light until the bark codes are taken over, otherwise the LBDs will be extinguished.
本文利用CPLD设计了一个11位的巴克码信号发生器,该发生器具有单次和连续输出功能,同时也设计出了一个11位的译码器来驱动发光二极管,当接收到巴克码时发光二极管亮,没有检测到时则发光二极管灭。
4) BK code
巴克码(BK)
5) super Barker code
超巴克码
1.
In this paper,a novel method to design a new PN sequence named low or zero autocorrelation(LZA) sequence through Barker code or quaternary Barker code or super Barker code and PN sequence is proposed.
本文提出了通过巴克码/正交巴克码/超巴克码与PN序列组合构造一种新的命名为低/零自相关(LZA)训练序列的设计方法。
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