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- The default relevant chirp configuration values are as follows: chirpComnCfg 18 0 0 128 4 30 0 chirpTimingCfg 6 28 0 90 59.75 frameCfg 8 0 400 1 250 0 cfarCfg 2 4 3 2 0 12.0 0 0.5 0 1 1 1 rangeSelCfg 0.1 4.0
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The various parameters of the chirp ramp (like frequency slope, sweep bandwidth, and so forth) impact the system performance. Figure 1 depicts a single chirp and the associated timing parameters. Figure 2 shows frame structure that consists of a series of chirps followed by inter frame time.
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The cfg file includes various parameters that define a specific chirp design for the sensor’s RF front end, as well as detection and tracker layer parameters. There are two main domains that determine the maximum range of an FMCW radar sensor, maximum resolvable range of the chirp and signal to noise ratio (SNR) or the reflected signal.
TI mmWave radar devices store chirp characteristics in Chirp Configuration files. The chirp configuration file may also contain parameters for tuning the on-board object tracker and human/non-human classifier, or additional parameters for application specific modifications. Chirp configurations are uploaded to the device over UART at runtime ...
Programming Chirp Parameters FMCW Training Series Part 1. Maximum Unambiguous Velocity. The maximum measurable velocity in FMCW radar depends on the chirp cycle time, or the time difference between the start of two consecutive chirps. The phase difference caused by the velocity cannot exceed 360 degrees between the two consecutive chirps.
Jan 4, 2024 · Programming Chirp Parameters in TI Radar Devices (Rev. A) Please refer to the DFP user guide for to understand various features of the device and get started on the waveform designing. You can also refer to the example code provided for AWR294x devices on how to use the RF APIs.
• Builds customer confidence on mmWave device capabilities • Improves the customer development cycle (for example, hardware redesign and software effort) Applications • Medium and short range radar • Long range radar PC GUI AWR2944 TX RX www.ti.com Description TIDUF01 – NOVEMBER 2021 Submit Document Feedback High-End Corner Radar ...
Because FMCW radars transmit a specific signal (called a chirp) and process the reflections, they can work in complete darkness and also bright daylight (radars are not affected by glare).
