direction finder

In this paper, a Radio Direction Finder system is designed on the basis of the principle of Doppler Diretion Finder technology.

本文在对多普勒无线电测向技术深入研究的基础上设计实现了一套无线电自寻的系统。

This article discourse upon the principle and system construction of Interferometer Direction Finder.

论文介绍了多波道干涉仪测向的系统构成及其原理.

Anti-jamming capability of Interferometer Direction Finder with multi channel receiver is analyzed and studied.

提出了减小测量相位误差的措施。最后比较详细地分析和研究了我们研制的多波道干涉仪测向机的同波干扰性能和良好的抗调制干扰性能。

Write the number words on the lines. automatic digital radio direction finder

在横线上写出数字。自动数字无线电测向仪

A vector amplitude weighing method of direction finder composed of ridged horns is presented and analyzed using results of test.

论文对幅度复加权测向原理进行了详细推导，并利用实际测试结果进行了研究。

Study on Dual-Channel Doppler Direction Finder

双通道多普勒测向机研究

Research and Development of Radio Direction Finder System

干涉仪测向技术研究无线电测向系统的研制

Mutual coupling effects on the circular array for interferometer direction finder with wide-bandwidth

宽频带干涉仪测向圆阵中的互耦效应

Cathode ray direction finder

阴极射线显示器测向仪

Research of the Circular Array for Interferometer Direction Finder Formed by Sleeve Monopole Operating in Wide Bandwidth

套筒天线组成的宽带干涉仪测向圆阵研究

And the second section is the detail about the hardware of Doppler Direction Finder and the hardware and software of control circuit and display circuit in system.

接着描述了无线电自寻的系统中多普勒无线电测向仪的硬件构造，以及控制电路板、显示电路板的软件及硬件构造。

Using correlation method for data processing based on spatial space with the electromagnetism characteristic of this array, the statistical characteristics for interferometer direction finder of this circular array are also analyzed.

在得出阵列电磁特性的基础上再运用基于空间距离的相关数据处理方法统计分析了测向圆阵性能。

We also analysed the influence of amplitude modulation and frequency ( or phase) modulation on Interferometer Direction Finder.

对三波道干涉仪测向结果不受幅度调制和频率调制（相位调制）的影响进行了数学分析。

The first section of this paper discusses the theory of the Doppler Radio Direction Finder technology.

本文首先分析了多普勒无线电测向技术的基本原理.

Countermeasures include a Type 921-A radar warning receiver and direction-finder .

对策系统包括 921-A 型雷达告警接收器和 定向仪.

Function test and calibration self-heterodyne curve for direction finder on sea trial.

航行试验中测向仪效用试验及自差曲线校正.

A direction finder that gives a bearing by determining the direction of incoming radio signals.

通过观察输入无线电信号来源的方向来判定方位的测向器。

Research on eccentric correction of dual lateral logging tool in highly deviated wells Function test and calibration self-heterodyne curve for direction finder on sea trial.

航行试验中测向仪效用试验及自差曲线校正。

Information Processing and Controlling of a Direction Finder

定向机信息处理及控制

Manual direction finder bearing indicator

手动测向仪方位指示器

Research on a Circular Array for a Direction Finder with Vector Amplitude Weighting of Ridged Horns

加脊喇叭构成的幅度复加权测向圆阵研究

Doppler Radio Direction Finder is a technology that measures the angle between radio transmitter and the radio using Doppler effect ( Doppler principle).

多普勒无线电测向技术即为利用多普勒效应测定无线电发射设备与接收设备之间夹角的一种技术。

The site error and application of direction finder for ground flash

地闪定向仪（DF）的测站定向误差及应用

Development of Computer Simulation Software of Radio Direction Finder

无线电测向仪计算机仿真软件开发初探

I am calibrating radio direction finder or adjusting compasses.

我正在校准无线电测向仪或校正指南针.

The Doppler Radio Direction Finder technology has smaller error, higher sensitivity than other direction finder technology. And it can measure the elevation angle.

比起其他无线电测向技术，用多普勒效应进行测向误差较小，灵敏度较高，可仰角测量，并且成本较低。

With the development of Doppler Radio Direction Finder technology, it is utilized in many aspects. It is especially important for radio recon and radio detector.

随着多普勒无线电测向技术的发展，其被广泛应用于各个领域，尤其在无线电侦察与无线电监测方面起到了至关重要的作用。

Indicating and recording instruments and annunciating devices. manual direction finder bearing indicator

指示记录仪和信号装置。手动测向仪方位指示器

The Matrix Method in Treating Atom Interferometer Application of Correlation Method for Interferometer Direction Finder

分析原子干涉仪的矩阵方法相关处理在干涉测向仪中的应用

Steering gear Type recirculating ball-type spaced-loop direction finder

转向器型式循环球式分隔式环形天线测向仪