Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Method for azimuth interpolation for radar video echo display

An interpolation method and azimuth technology, applied in radio wave measurement systems, instruments, etc., can solve the problems of increasing the cost of radar hardware, achieve the effect of stable algorithm, reduce requirements, and facilitate coordinated and unified planning

Active Publication Date: 2019-03-08
CSSC SYST ENG RES INST
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Two types of problems in radar video display caused by the display method of radar plane position: display blind area phenomenon and dead address phenomenon
This method greatly increases the cost of radar hardware, and more radars adopt software processing methods

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for azimuth interpolation for radar video echo display
  • Method for azimuth interpolation for radar video echo display
  • Method for azimuth interpolation for radar video echo display

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0044] A method for azimuth interpolation for radar video echo display, characterized in that it comprises the following steps,

[0045] Step 1. Establish the corresponding relationship between pixel points and sampling points

[0046] According to the coordinate conversion relationship θ p =atan(Y / X) Calculate the pixel point (X, Y) and the sampling point (R, θ p ), and form a data table for storing the corresponding distance ring radius value;

[0047] Count the number of pixels S on different distance rings R , according to N=round(log 2 (S R )) Quantize the number of pixels, that is, the number of pixels S in the subsequent display processing R follow 2 N point interpolation;

[0048] Step 2. Radar echo display for azimuth interpolation

[0049] Obtain the radar pulse repetition frequency and antenna rotation speed according to the radar system parameters, and calculate the number of sampling points for the radar to display the single circle along the azimuth acc...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

A method for azimuth interpolation for radar video echo display comprises the following steps of: the step 1: establishing a correspondence relation between a pixel point and a sampling point, according to a coordinate transformational relation as shown in the description, calculating the correspondence relation between the pixel point (X, Y) and the sampling point (R, [theta]p), and forming a data table storing the radius value of a corresponding distance ring; and counting the number of pixels SR on different distance rings, and quantizing the number of pixels according to N=round(log2(SR)),that is, the number of pixels SR is interpolated according to 2N points in the subsequent display processing. the method for azimuth interpolation for radar video echo display is better than the existing method, and the method for azimuth interpolation for radar video echo display can be better suitable for the radar products with different working modes and different waveforms, and better applies different azimuth sampling rate requirements, especially the high-resolution long-range radar; and moreover, the algorithm can better adapt to different system radar working modes.

Description

technical field [0001] The present invention is an azimuth interpolation method for displaying radar video echoes, and is especially suitable for the visual display of radar videos where video flickers in the near area, small targets are easily lost, and dead addresses appear in the far area. Background technique [0002] Among all types of radars, the rotary scanning type occupies a relatively large proportion, and the rotary scanning radar mostly uses the plane position display method to display, and the visual display of radar video is the main presentation form of the detection results of this type of radar. The plane position display presents a large-scale background area, which forms the navigation information and situation information of the target. Common radars include navigation radar, air search or warning radar. [0003] The display method of radar plane position causes two types of problems in radar video display: display blind area phenomenon and dead address p...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): G01S7/295
CPCG01S7/295Y02A90/10
Inventor 李军侠朱勇张永泉张昕
Owner CSSC SYST ENG RES INST
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com