autodyne receiver; autoheterodyne

Display angle method for removing and measuring deviation of magnetic compass;

显示角法消除与测定磁罗经自差

Intellectual measurement and correction system for deviations of magnetic compass;

磁罗经自差的智能测定和校正系统

Semi-automatic Equipment for Rectifying Deviation of Magnetic Compass;

磁罗经自差半自动测校装置

Based on the study of Doppler fuze,the frequency-hopping autodyne is designed to improve the anti-jamming ability of the fuze in this paper.

在研究多普勒无线电引信的基础上,设计出具有跳频功能的自差机,详细地阐述了它对目标的探测过程,分析了电路的功能机制。

This paper deep analyzes the cause of several major deviation variation in theory and put forward of preventing and reducing the variation of deviation.

随着船舶跨洋航行 ,磁罗经自差经常出现随船舶纬度而发生较大变化的情况 ,针对自差的变化 ,从理论上深入地分析了硬铁半圆自差、软铁半圆自差、倾斜自差和感应自差随纬度变化的原因 ,并提出防止或减小自差变化的办法 。