Over a decade, the DVB-T system has been widely used for transmission of terrestrial DTV programs. A complete set of field measurement and analyzing scheme is essential for verifying if the DTV signals are effectively received by local consumers. Without such criteria, severe impact would arise on the development of DTV industry, especially in the areas where topographic and geographic conditions are too complicated to allow effective reception of DTV signals. This work provides field measuring methods and analyzing schemes on the coverage rates of outdoor and indoor DTV signals. A block-proportioned analyzing scheme is invented to calculate the coverage rates of indoor signals. A picture-layer analyzing method is created to compute the coverage rates of outdoor signals along with a software simulator. These efforts produce working schemes and identify propagation models feasible under various environments, and define the relations of the field strengths between outdoor and indoor receptions. All the findings herein can facilitate DTV professionals, engineers and operators to enhance better quality of services for customers under similar environments.

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