navigation instrument meaning in English

导航仪表
导航仪器
航海仪
航行仪表
领航仪表
助航设备

Doppler log is a navigation instrument , which is widely used . it can apply the carrier ' s moving information and get accurate cumulative sail
多普勒计程仪是一种应用广泛的导航仪器，它能够实时给出载体的运动信息，并能够获得精确的累积航程。
Magnetic compass is one of directional navigation instrument in ship fitting , the deviation of magnetic compass will influence the navigational safety of ship
摘要磁罗经是船舶装备的主要指向性航海仪器之一，磁罗经自差的大小将直接影响船舶的航行安全。
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
文中给出了该组合导航仪软硬件的详细设计，首先分析了导航所需的各种数据信号的特性，分析了gps数据信号进行传输的基本原理和导航电文的解算方法，并给出了影响各种信号的状态因素。