MIMO radar waveform design method for neighboring target resolution
A technology of radar waveform and design method, which is applied in the field of MIMO radar, can solve the problems of not being able to effectively take into account high resolution and low-range sidelobe performance, and achieve good practical application value, high computing efficiency, and good sidelobe suppression characteristics.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Example Embodiment
[0050] Embodiment two, see figure 2 As shown, a MIMO radar waveform design method for close target resolution, specifically includes the following steps:
[0051] Step 1: Construct a MIMO radar transmission model based on OFDM signals.
[0052] Suppose the MIMO radar has M transmitting antennas, R X Root receiving antenna. Each antenna transmits Q pulses sequentially within a coherent processing interval (Coherent Processing Interval, CPI), each pulse contains N subcarriers, Represents the OFDM coded sequence on the qth pulse of the mth antenna, where Then the corresponding time domain signal on the pulse is:
[0053] ,
[0054] Among them, T r is the time interval between two adjacent OFDM pulses in a CPI, T is the pulse duration, and the subcarrier interval Δf=1 / T=B / N, the schematic diagram of the transmission signal model of this embodiment is shown in image 3 . Due to the special structure and subcarrier spacing of the OFDM signal itself, an efficient Inverse F...
Example Embodiment
[0098] Embodiment three:
[0099] Simulation conditions:
[0100] Consider the S-band (center frequency f c =3GHz) MIMO radar, assuming that the number of transmitting elements is 4, which is equal to the number of pulses in each CPI, that is, M=Q=4, the number of subcarriers N=300, and the pulse width T=10μs, unless otherwise specified , bandwidth B=30MHz, then the corresponding subcarrier spacing is Δf=0.1MHz. Then the coding matrix after COD design is correspondingly expressed as:
[0101]
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.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap