airspace; aerial zone,null field是什么意思

用法例句

Research on partition of blind-chess guiding airspace;

盲棋导航的空域划分研究

The Research on the Method of Airspace Evaluation and System Design;

空域评估方法研究及其系统设计

In this paper,based on many ambiguous and fuzzy factors in airspace cost system of civil aviation,by applying the analytic hierarchy process and the fuzzy decision theory,a method combined the qualitative analysis and the quantitative analysis is put forward.

文章针对民航空域成本系统中所包含的大量不确定和模糊因素,应用层次分析法和模糊决策的基本理论,采用定性和定量相结合的方法,选取具有代表性的系统评价指标,对现行民航空域成本系统进行分析及用户满意度评估,并给出具有理论指导和实际意义的评价结论。

Restoration method of blurred image based on regularization in spatial domain;

基于空域正则化的模糊图像复原方法

The Performance on Resolving EM Signals of Joint Spectrum in Polarizational and Spatial Domains;

极化域—空域联合谱分辨力研究

Study of Algorithms of Digital Image Restoration Based on Frequency Domain and Spatial Domain;

基于频域和空域的数字图像复原算法研究

Spatial Error Concealment Using Sub-pixel Edge Detection with Hessian Matrix;

基于Hessian矩阵子像素级边缘检测的空域误码掩盖

This paper presents a new spatial error concealment method based on edge detection.

本文提出了一种新的基于边缘检测的空域错误隐藏方法。