A radar system having a plurality of radar devices and a central processing device, characterized in that each of the plurality of radar devices has a transmitting unit adapted to transmit a high frequency signal to an object; a receiving unit adapted to receive a signal reflected from the object; an individual control unit adapted to control timings of transmission and reception by the transmitting unit and the receiving unit; and a converting unit adapted to convert an output of the receiving unit into digital data, the central processing device has an integration process unit adapted to process a plurality of pieces of information transmitted from the plurality of radar devices in association with a plurality of pieces of positional information of the plurality of radar devices; a command control unit adapted to control operation timings of the individual control units of the plurality of radar devices; and a detection process unit adapted to perform a process for detecting the object on the digital data before being processed by the integration process unit, wherein digital communication regarding the synchronization operations of the individual control units of each of the plurality of radar devices is performed between the plurality of radar devices and the central processing device, which digital communication being isolated from the control of timings of transmission and reception at the individual control unit of each of the plurality of radar devices, each of the radar devices further including an individual detection process unit adapted to perform, on the digital data that is an output of the converting unit, at least a pre-sum process among a part of the process for detecting the object, the detection process unit performs a process of detecting a position, a velocity and an angle of the object for each of the radar devices, the integration process unit performs a process of identifying the object by integrating pieces of data indicating the position, the velocity and the angle supplied from the detection process unit, the control of timing of transmission and reception performed by the individual control unit of each of the plurality of radar devices is managed in a nanosecond order, wherein the individual control unit controls a pulse generating section; supplies digital data, which is supplied from the Analog to Digital Converter, ADC,, to the central processing device via the interface, I/F,; and performs digital communication with the central processing device via the I/F to synchronize operations of the radar devices (30-1 to 30-3); a transmit and receive timing of the high frequency pulse signal is managed in a nanosecond order, and the control of the operation timing of the plurality of radar devices performed by the central processing device is managed in a millisecond order. each of the plurality of radar devices has a transmitting unit adapted to transmit a high frequency signal to an object; a receiving unit adapted to receive a signal reflected from the object; an individual control unit adapted to control timings of transmission and reception by the transmitting unit and the receiving unit; and a converting unit adapted to convert an output of the receiving unit into digital data, the central processing device has an integration process unit adapted to process a plurality of pieces of information transmitted from the plurality of radar devices in association with a plurality of pieces of positional information of the plurality of radar devices; a command control unit adapted to control operation timings of the individual control units of the plurality of radar devices; and a detection process unit adapted to perform a process for detecting the object on the digital data before being processed by the integration process unit, wherein digital communication regarding the synchronization operations of the individual control units of each of the plurality of radar devices is performed between the plurality of radar devices and the central processing device, which digital communication being isolated from the control of timings of transmission and reception at the individual control unit of each of the plurality of radar devices, each of the radar devices further including an individual detection process unit adapted to perform, on the digital data that is an output of the converting unit, at least a pre-sum process among a part of the process for detecting the object, the detection process unit performs a process of detecting a position, a velocity and an angle of the object for each of the radar devices, the integration process unit performs a process of identifying the object by integrating pieces of data indicating the position, the velocity and the angle supplied from the detection process unit, the control of timing of transmission and reception performed by the individual control unit of each of the plurality of radar devices is managed in a nanosecond order, wherein the individual control unit controls a pulse generating section; supplies digital data, which is supplied from the Analog to Digital Converter, ADC,, to the central processing device via the interface, I/F,; and performs digital communication with the central processing device via the I/F to synchronize operations of the radar devices (30-1 to 30-3); a transmit and receive timing of the high frequency pulse signal is managed in a nanosecond order, and the control of the operation timing of the plurality of radar devices performed by the central processing device is managed in a millisecond order.