硬件平台：

• GH3020、手表搭载。
• 开启 100Hz HRV + 25Hz HR + 佩戴检测。

软件版本以及相关信息：

Gh3x2xDemoInit : Democode Version : GH(M)3X2X_DEMO_v1.5_AC_v0.4(build:Nov 18 2024_14:47:45)

Gh3x2xDemoInit : DrvLib Version : v4.1.0.0 (build:Nov 1 2022_09:44:25)

Gh3x2xDemoInit : Config Version : Gh3x2x_Virtual_Reg_v3.4

[gh3x2x_algo]: version = GX_HARDADT_SOFTCHECK_v0.1

Gh3x2xDemoInit : Algo Version : GX_HARDADT_SOFTCHECK_v0.1

[gh3x2x_algo]: version = GX_HBA_2.2.0.0(Delta)_S_CONF_nc_goodix_dsp_v1.0.3.2

Gh3x2xDemoInit : Algo Version : GX_HBA_2.2.0.0(Delta)_S_CONF_nc_goodix_dsp_v1.0.3.2

[gh3x2x_algo]: version = HRV_v_2.4.0a

Gh3x2xDemoInit : Algo Version : HRV_v_2.4.0a

[Gh3x2xDemoStartSampling] unFuncMode = 0x7

[Gh3x2xSampleRateUpdate]FunctionId = 0x1, slot bit = 0x40,usSampleRateUser = 5

[Gh3x2xSampleRateUpdate]FunctionId = 0x2, slot bit = 0x2,usSampleRateUser = 25

[Gh3x2xSampleRateUpdate]FunctionId = 0x4, slot bit = 0x1,usSampleRateUser = 100

[Gh3x2xSampleRateUpdate]Down sample: FunctionID = 0x1,: SlowestSlotSR = 5, Factor = 0

[Gh3x2xSampleRateUpdate]Down sample: FunctionID = 0x2,: SlowestSlotSR = 25, Factor = 0

[Gh3x2xSampleRateUpdate]Down sample: FunctionID = 0x4,: SlowestSlotSR = 100, Factor = 0

Current uchSlotEn= 0x43

Current g_unDemoFuncMode= 0x7

[Non-Sync Gsensor]usRefFucntion = 0x4.

[Non-Sync Gsensor]g_fGh3x2xNonSyncGsensorStep = 1.000.

[Non-Sync Gsensor]usRefFucntion = 0x4,usSampleRateMax = 100.

[Non-Sync Gsensor]non-sync gsensor init.

[gh3x2x_algo]: [goodix_hba_init_func]:params = 0,0,25,4,0,0,0,

[gh3x2x_algo]: [goodix_hrv_init_func]:params = 0,320000,160000,30000,30000,

问题如下：

1. 将手表佩戴在手腕，在低置信度下（这里是30%），前期有几分钟 PPI 值有输出但是一直不变，如下图所示。对于这种情况是否正常，为什么？

2. HRV能在运动下测量吗？为什么？

3. 在手表上使用HRV时，有什么注意事项？

麻烦解答上述3个问题，不胜感激。