Doppler log is a navigation instrument , which is widely used . it can apply the carrier ' s moving information and get accurate cumulative sail 多普勒計(jì)程儀是一種應(yīng)用廣泛的導(dǎo)航儀器,它能夠?qū)崟r(shí)給出載體的運(yùn)動(dòng)信息,并能夠獲得精確的累積航程。
Magnetic compass is one of directional navigation instrument in ship fitting , the deviation of magnetic compass will influence the navigational safety of ship 摘要磁羅經(jīng)是船舶裝備的主要指向性航海儀器之一,磁羅經(jīng)自差的大小將直接影響船舶的航行安全。
In this essay , i give the hardware and software design in detail of this integrated navigation instrument . firstly , i use two charpters to analyse the characters of the required data signals , including the primary principle of transmitting gps data signal and the standard of decoding it 文中給出了該組合導(dǎo)航儀軟硬件的詳細(xì)設(shè)計(jì),首先分析了導(dǎo)航所需的各種數(shù)據(jù)信號(hào)的特性,分析了gps數(shù)據(jù)信號(hào)進(jìn)行傳輸?shù)幕驹砗蛯?dǎo)航電文的解算方法,并給出了影響各種信號(hào)的狀態(tài)因素。