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AWR1843BOOST: 用3T4R采集高速车辆时的参数配置

Part Number: AWR1843BOOST
Other Parts Discussed in Thread: AWR1843

您好!我现在用AWR1843+DCA1000来在路测收集行驶中的车辆的数据。
我想从adc_data.bin中生成目标的3D 点云,所以我采用了3Tx,4Rx,TDM-MIMO的设置,如下图所示:

我想让雷达收集尽可能快的车辆的信息(假设只有1辆车,时速46KM/h-80KM/h,雷达放在车侧,径向距离确定,水平距离由小->大->小),我应该如何设置Idle time 、 Ramp end time、No of Chirp loops这些值合适呢?
据我所知:

DOPPLER_RESOLUTION = 3e8 / (2 * START_FREQ * 1e9 * (IDLE_TIME + RAMP_END_TIME) * 1e-6 * NUM_DOPPLER_BINS * NUM_TX)
MAX_DOPPLER = 3e8 / (4 * START_FREQ * 1e9 * (IDLE_TIME + RAMP_END_TIME) * 1e-6 * NUM_TX)

我想得到较大的MAX_DOPPLER,那么,我应该尽可能小地降低IDLE_TIME+RAMP_END_TIME,但是它们有什么下限吗?