The mathematic model for a Pseudolite(PL) receiver based on software defined radio(SDR) is presented,and two schemes for realizing the digital platform are proposed which are DDS+DSP and FPGA+DSP.

This text proposes the design on digital platform of PL receiver.

Development of the standard workpiece library on the digital platform for weapons remanufacture;

This project,which could be used as a standard digital platform for universal research of ancient Chinese characters,is possible to be developed into a system including all of the original materials of ancient characters,which have been found so far and the up-to-date research achievements.

The Construction and Realization of the Production Management Digitization Platform for Precision Feeding of Commercial Pig;

For improving the digitization level in large scale poultry farm in our country,The digitization platform was design.

We study the lubrication and cooling system of an aero-engine and set up a digitized design platform for the system and analyze the key technology in the platform.

The roller coaster digital design platform framework is put forward.

According to the standard requirements of OHSAS18000 and management system of occupational safety and health of coal mining enterprise,occupational safety and health management system of large-scale colliery was put up with digital workplace of cooperative work and Internet web software engineering workplace as its core.