QFD Structure 6.Cross correlate specifications 4.Engineering specifications 5.Correlation matrix for requirements specifications suongenlena yuewyoueg 'c 7.Specification targets Shanghai Jiao Tong University 13Shanghai Jiao Tong University 13 QFD Structure 6. Cross correlate specifications 5. Correlation matrix for requirements & specifications 4. Engineering specifications 7. Specification targets 2. Weights for requirements 1. Customer requirements 3. Benchmark evaluations