Webgps information signal Prior art date 1999-10-15 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Granted Application number CN00134722A Other languages English (en) Other versions CN1255689C (zh … WebOct 29, 2024 · 声明 1.本文所分享的所有需要用户下载使用的内容(包括但不限于软件、数据、图片). 来自于网络或者麻辣gis粉丝自行分享,版权归该下载资源的合法拥有者所有,如有侵权请第一时间联系本站删除。 2.下载内容仅限个人学习使用,请切勿用作商用等其他用途,否则后果自负。
GPS波段的设置,L1波段,C/A码,P码各有什么作用,以 …
Web以GPS中L1 C/A码为例,码速率是1.023MHz,载波速率是1575.42MHz,什么意思呢?就是说一个码的长度是977.5ns,即293m,一个载波的长度是635ps,即19cm。对于同样的测距误差,如果是1%,可以看到码相位测量导致的误差是2.93m,载波相位测量导致的误差 … WebCN1255689C CNB001347225A CN00134722A CN1255689C CN 1255689 C CN1255689 C CN 1255689C CN B001347225 A CNB001347225 A CN B001347225A CN 00134722 A CN00134722 A CN 00134722A CN 1255689 C CN1255689 C CN 1255689C Authority CN China Prior art keywords frequency time gps signal information Prior art date 1999-10-15 … tarangau caravan park broome book
GPS中的p码C/A码指的是什么? - 百度知道
Web1、定义. C/A码用于分址、搜捕卫星信号和粗测距,是具有一定抗干扰能力的明码,提供给民用。. 2、产生. C/A码是由两个10级移位寄存器相结合而产生的。. 3、基本特性. ①时钟脉冲速率:1.023Mbit/s. ②码长1023bit,很短,易于捕获(捕获码)。. ③码元宽度Tc约等于 ... WebGPS 信号是一个扩频系统,对于C/A 码而言,其扩频码为码长1023 的Gold 码,码速率为1.023Mcps,即每1ms 为一个C/A 码周期。 因此,可以通过进步本地码和接收信号之间的积分时间来进步接收信号的载噪比。 WebThe P code is called the Precise code. It is a particular series of ones and zeroes generated at a rate of 10.23 million bits per second. It is carried on both L1 and L2, and it is very long, 37 weeks (2x10 14 bits in code). Each GPS satellite is assigned a part of the P code all its own, and then repeats its portion every 7 days. tarangau caravan park broome