Method and device for multi-module synchronous processing of digital signals

The invention relates to a method and device for multi-module synchronous processing of digital signals. In the invention, time marks are made on multi-way sampled data respectively input to multiple modules, and the time marks made on the obtained data which is sampled at the same time are the same; the multiple modules need to synchronously process the sampled data, wherein one of the multiple modules is a major module acting as a synchronous source, and other modules are synchronized slave modules; the major module processes the sampled data and transmits the information of the time marks of the sampled data which is already processed to the slave modules; and based on the information of the received time marks, the slave modules process the sampled data having the same time marks in a mode the same with the processing mode of the major module. The invention can realize the synchronous processing of multi-way digital signals input to multiple modules.