digital wavefront measuring interferometer

用法例句

The automatic test of Corner Cube Reflector (CCR), Roof Prism and Right-angle Prism is achieved by calculating the wavefront got from the digital phase-shifting interferometer.

本文通过对移相式数字波面干涉仪得到的测试波面进行处理实现锥体棱镜、屋脊棱镜和直角棱镜角度测试的数字化和自动化。

Then,it analyzes such key technologies as the baseline configuration of high-precision digital phase detector and wideband digital interferometer and phase unwrapping.

提出了基于数字干涉仪测向技术的无源测向定位系统,简述了其工作原理和工程实现方法,对高精度数字鉴相和宽带数字干涉仪基线配置及解相位模糊等关键技术进行了阐述,并给出了系统性能测试结果及与国外相关系统的情况对比。

A fast high precision single observer passive location algorithm under a low signal-to-noise ratio is proposed,which based on the variable baseline digital interferometer.

提出了一种低信噪比条件下基于可变基线数字干涉仪的新型高精度快速单站无源定位算法,给出了系统设计方案。

Moreover, the high-accuracy DOA estimation algorithm using digital interferometer and all these algorithms DSP implementations are also studied.

基于辅助源的相关校正理论,研究了通过在天线馈电口输入辅助信号,再对信号求相关来实现对阵列通道不一致性的校正;并分析了基于多基线数字干涉仪体制的测向原理,利用五元圆形天线阵列估计出了地面目标的到达角。

Compared with traditional method of extracting the phase difference information in time domain,extracting the phase difference information in frequency domain in direction finding system of digital interferometer can raise greatly the precision of phase discrimination and adaptive capability to signals.

数字式干涉仪测向体制中的相位差信息在频域上提取,与传统的在时域提取相比能大大提高低信噪比条件下鉴相精度及对信号的适应能力。