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修改探头间声音传播距离为115.12，tof减小2us

This commit is contained in:
95384 2024-11-22 18:35:31 +08:00
parent 8f8d6066a1
commit 4387a506e8
2 changed files with 10 additions and 5 deletions
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7
App/Inc/anemometer_dev.h
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@ -38,8 +38,13 @@
#define DRIVE_NUM 2
// 传播距离 风速计算公式中的L参数
#define DISTANCE ((float32_t)120000.0)
//探头表面距离115.12mm(57.56mm*2)，换能器探头到探头表面距离暂定2mm(1mm*2)
//#define DISTANCE ((float32_t)115120.0 + (float32_t)2000.0)
#define DISTANCE ((float32_t)115120.0)
// 传播距离 风速计算公式中的L参数
//#define DISTANCE ((float32_t)120000.0)
// 富奥通结构 L = 118946
// #define DISTANCE 118946

8
App/Src/anemometer_dev.c
View File

@ -434,8 +434,8 @@ void wind_task(void const * argument)
tof_error_log_NS = 0;
g_error_log.tof_error_NS = 0;
// 计算成us
tofx = ((tofx-FIR_PHASE_DELAY)/ADC_SAMP_RATE_MHz)+REV_MUTE_DELAY_US-1.0f/DRIVE_FREQ_MHz+0.0001f;
tofy = ((tofy-FIR_PHASE_DELAY)/ADC_SAMP_RATE_MHz)+REV_MUTE_DELAY_US-1.0f/DRIVE_FREQ_MHz+0.0001f;
tofx = ((tofx-FIR_PHASE_DELAY)/ADC_SAMP_RATE_MHz)+REV_MUTE_DELAY_US-1.0f/DRIVE_FREQ_MHz+0.0001f - 2.0;
tofy = ((tofy-FIR_PHASE_DELAY)/ADC_SAMP_RATE_MHz)+REV_MUTE_DELAY_US-1.0f/DRIVE_FREQ_MHz+0.0001f - 2.0;
// 通过各通道渡越时间求时间差
dtof = tofx-tofy;
@ -492,8 +492,8 @@ void wind_task(void const * argument)
tof_error_log_WE = 0;
g_error_log.tof_error_WE = 0;
// 计算成us
tofx = ((tofx-FIR_PHASE_DELAY)/ADC_SAMP_RATE_MHz)+REV_MUTE_DELAY_US-1.0f/DRIVE_FREQ_MHz+0.000001f;
tofy = ((tofy-FIR_PHASE_DELAY)/ADC_SAMP_RATE_MHz)+REV_MUTE_DELAY_US-1.0f/DRIVE_FREQ_MHz+0.000001f;
tofx = ((tofx-FIR_PHASE_DELAY)/ADC_SAMP_RATE_MHz)+REV_MUTE_DELAY_US-1.0f/DRIVE_FREQ_MHz+0.000001f - 2.0;
tofy = ((tofy-FIR_PHASE_DELAY)/ADC_SAMP_RATE_MHz)+REV_MUTE_DELAY_US-1.0f/DRIVE_FREQ_MHz+0.000001f - 2.0;
// 通过各通道渡越时间求时间差
dtof = tofx-tofy;