An Index Analysis (IA) method has been used to measure the capabilities of enterprise technology innovation, but this method is lack of quantitative analysis and match analysis. A three-dimension model (PMR model) is constructed to measure enterprise technology innovative capacity based on three aspects of R&D, manufacturing, and marketing, the concept of Innovative Ability Strength(IAS) is put forward and defined, the calculation method is established to measure comprehensive ability strength and synergy measure. Using the model and index series, the innovation capacity of the digital television enterprise of Shenzhen is analyzed.