Models/AppConfig.cs

@@ -91,6 +91,6 @@ public class CalibrationCoefficients
     public ushort PressureProtection { get; set; }
     public ushort TemperatureCoefficient { get; set; }
     public ushort ResistanceCoefficient { get; set; }
-    public double ThermalConductivityCorrection { get; set; } = 40.5f;//蒸馏水   比热率修正
+    public double ThermalConductivityCorrection { get; set; } = 47.305349f;//蒸馏水   比热率修正
-    public double ThermalDiffusivityCorrection { get; set; } = 0.53;//导热率修正
+    public double ThermalDiffusivityCorrection { get; set; } = 0.312912;//导热率修正
 }

ViewModels/D7896ViewModel.cs

@@ -158,7 +158,8 @@ public partial class D7896ViewModel : ObservableObject
     //    }
     //    catch { return 0; }
     //}
-
+    // 在类成员变量区域添加
+    private int currentSettleMs = 200;   // 电流稳定等待时间（毫秒）
     [RelayCommand]
     private async Task StartTestAsync()
     {
@@ -334,14 +335,18 @@ public partial class D7896ViewModel : ObservableObject
                 await _th1963Ustd.PrepareBatchAsync(samples);
                 await _th1953Ustd.PrepareBatchAsync(samples);
 
+
+
                 await _plcService.WriteCoilAsync(_config.PlcRegisterAddresses.StartCommand, true);
-                try { await Task.Delay(5, _testCts.Token); } catch (OperationCanceledException) { break; }
+                // 等待电流稳定（不触发采集）
-
+                try { await Task.Delay(currentSettleMs, _testCts.Token); } catch (OperationCanceledException) { break; }
+                // 电流稳定后，触发采集
                 await Task.WhenAll(_th1963Ustd.TriggerAsync(), _th1953Ustd.TriggerAsync());
-
+                // 继续加热剩余时间（加热总时间 = 稳定等待时间 + 有效加热时间）
                 try { await Task.Delay((int)(heatingDuration * 1000), _testCts.Token); } catch (OperationCanceledException) { break; }
                 await _plcService.WriteCoilAsync(_config.PlcRegisterAddresses.StartCommand, false);
 
+
                 int remainingMs = (int)((totalDuration - heatingDuration) * 1000) + 100;
                 try { await Task.Delay(remainingMs, _testCts.Token); } catch (OperationCanceledException) { break; }
 
@@ -439,7 +444,7 @@ public partial class D7896ViewModel : ObservableObject
                 // 测量间隔（即使舍弃也等待，让样品恢复）
                 if (validCount < requiredCount && !_stopRequested && attemptCount < maxAttempts)
                 {
-                    try { await Task.Delay(_config.TestParameters.IntervalSeconds * 1000, _testCts.Token); } catch (OperationCanceledException) { break; }
+                    try { await Task.Delay(_config.TestParameters.IntervalSeconds * 100, _testCts.Token); } catch (OperationCanceledException) { break; }
                 }
             }
 
@@ -506,12 +511,13 @@ public partial class D7896ViewModel : ObservableObject
             }
         }
 
-        // 滑动平均平滑（窗口5）
+        // 滑动平均平滑（窗口大小改为 11）
+        int windowSize = 40;   // 原为 5
         double[] smoothDeltaT = new double[n];
         for (int i = 0; i < n; i++)
         {
-            int start = Math.Max(0, i - 2);
+            int start = Math.Max(0, i - windowSize / 2);
-            int end = Math.Min(n - 1, i + 2);
+            int end = Math.Min(n - 1, i + windowSize / 2);
             double sum = 0; int cnt = 0;
             for (int j = start; j <= end; j++)
                 if (!double.IsNaN(deltaT[j])) { sum += deltaT[j]; cnt++; }