The Assessment and Foundation of Bell-Shaped  Testability Growth Effort Functions Dependent System  Testability Growth Models Based on NHPP

<div>The number of faults needs to be injected with the change of FDR level and number of TDLs, respectively.</div>

Mathematical Problems in Engineering

fig4

Figure 4

Figure 4: The Assessment and Foundation of Bell-Shaped  Testability Growth Effort Functions Dependent System  Testability Growth Models Based on NHPP 

Figure 4 | The Assessment and Foundation of Bell-Shaped  Testability Growth Effort Functions Dependent System  Testability Growth Models Based on NHPP 