Ultra-wideband radar single-channel digital beam forming method based on space-time coding array
An ultra-wideband radar, space-time coding technology, applied in radio wave measurement systems, radio wave reflection/re-radiation, instruments, etc., can solve the problems of beam pattern shape distortion, decreased angular resolution, and high side lobe levels
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0053] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0054] refer to figure 1 , the present invention comprises the following steps:
[0055] Step 1) Construct the space-time encoding array:
[0056] build as figure 2 The space-time coding array shown includes N array elements a which are arranged periodically and the arrangement period is d=λ / 2 1 ,a 2 ,...,a n ,...,a N , N real-time delay TTD lines TTD 1 ,TTD 2 ,...,TTD n ,...,TTD n , N phase shifters Sequentially connected single RF receive channels and sampling rate f s The analog-to-digital conversion device ADC, N array elements are connected in parallel with a single radio frequency receiving channel, and the nth real-time delay TTD line TTD n and the nth phase shifter Load the nth array element a sequentially n on the connection line with the single RF receiving channel, and put a 1 As a reference array element, N array e...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
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