Because high rotation of arms and ammunition has characteristics of high-rotating speed and highacceleration in initial moment

it makes large overshoot on reduced-rotation system of semi-strapdown MEMS inertial measurement system

which results in measured instantaneous data of MEMS inertial sensor is large and out of range

which impacts on data analysis and resolving

present a combination design of multi-range sensor that is suitable for high rotation of ammunition

measure data of various flight phases of projetile body using combination of multi-range inertial sensor and MIMU; convert analog output to digital quantity using ADC converts

receive data through FPGA analog communication port and store it in FLSAH memory. The design can realize real time record of semi-strapdown inertial measurement system. Through high-speed flight simulation turntable prove that the design can accurately and real-time collect and store information

which is valuable for guidenization of conventional ammunition.