This commit is contained in:
xyy
2026-06-02 20:13:30 +08:00
parent dea0d29d18
commit 9d59b439eb
3 changed files with 17 additions and 12 deletions

View File

@@ -91,8 +91,8 @@ public partial class D7896ViewModel : ObservableObject
private const double EulerGamma = 0.5772156649; // 欧拉常数
//private const double WireRadius = 0.00003; // 铂丝半径 (0.03 mm)
[ObservableProperty] private double _sampleDensity = 1000.0; // 新增密度默认值1000 kg/m³
int samples = 1000; // 1秒 * 1000点/秒
double heatingDuration =1; // 加热时间 0.8 秒(需与您的加热脉冲宽度一致)
int samples = 800; // 1秒 * 1000点/秒
double heatingDuration = 1; // 加热时间 0.8 秒(需与您的加热脉冲宽度一致)
double totalDuration = 2; // 总采样时间(加热 + 冷却)
public D7896ViewModel()
{
@@ -342,8 +342,8 @@ public partial class D7896ViewModel : ObservableObject
if (dynamicR0 == 2.45) // 仍为默认值,说明基线无效
{
double sumR0 = 0; int cnt = 0;
// 改用第 10 到 19 点共10个点避开前10个点的干扰
for (int j = 10; j < Math.Min(20, ustd.Length); j++)
// 改用第 2~5 点(索引 2,3,4,5
for (int j = 2; j < Math.Min(6, ustd.Length); j++)
{
if (ustd[j] > 0.01 && upt[j] > 0.01)
{
@@ -354,7 +354,7 @@ public partial class D7896ViewModel : ObservableObject
if (cnt > 0)
{
dynamicR0 = sumR0 / cnt;
Logger.Log($"使用加热段第10~19点计算 R0 = {dynamicR0:F6} Ω");
Logger.Log($"使用加热段第2~5点计算 R0 = {dynamicR0:F6} Ω");
}
}
@@ -550,6 +550,8 @@ public partial class D7896ViewModel : ObservableObject
double exponent = intercept / slope + EulerGamma;
if (exponent > 30) exponent = 30;
double alpha = (_config.TestParameters.PlatinumWireDiameter / 2 * _config.TestParameters.PlatinumWireDiameter / 2 / 4.0) * Math.Exp(exponent);
alpha *= _config.TestParameters.CalibrationCoefficients.ThermalConductivityCorrection;
if (_config.TestParameters.UseFixedAlpha)
{
alpha = _config.TestParameters.FixedAlpha;