An ultra-wideband ground penetrating radar control system, comprising a synchronous clock generating circuit, a GPS positioning module, a measuring wheel encoder module, a digitally controlled delay circuit for equivalent sampling, an analog-to-digital conversion (ADC) circuit, and a main controller. The synchronous clock generating circuit, the GPS positioning module, the measuring wheel encoder module, the digitally controlled delay circuit and the ADC circuit are all connected to the main controller. The synchronous clock generating circuit is further connected to an external ultra-wideband radar transmitter. The digitally controlled delay circuit is further connected to an external sampling pulse generation circuit for equivalent sampling. The ADC circuit is further connected to an external sampling gate for equivalent sampling. The main controller is further connected to an external server via Ethernet. The volume of an ultra-wideband ground penetrating radar control system is reduced. The connecting cables of the system is simplified. The reliability of the ultra-wideband radar system is improved.

A method and system improve on the accuracy of and power consumption of occupancy detection systems. Embodiments may provide a dual mode system that includes a passive infrared sensor with low power consumption and a RADAR-based sensor with higher power consumption that is only powered when the system determines a room is occupied with the passive sensor and no new movement is detected after a threshold duration.

According to an aspect, a method of data compression in a radar system comprising, converting a plurality of ranges in a first data form into a polar form, determining a plurality of logarithmic values of the plurality of ranges in the polar form, quantising the plurality of logarithmic values of the plurality of ranges with a first bit width that is fewer than a second bit width in the first data form. According to another aspect, the method further comprising quantizing the logarithmic magnitude part with a third bit width and quantising the logarithmic phase part with a fourth bit width.

A method and system improve on the accuracy of and power consumption of occupancy detection systems. Embodiments may provide a dual mode system that includes a passive infrared sensor with low power consumption and a RADAR-based sensor with higher power consumption that is only powered when the system determines a room is occupied with the passive sensor and no new movement is detected after a threshold duration.

An ultra-wideband ground penetrating radar control system, comprising a synchronous clock generating circuit, a GPS positioning module, a measuring wheel encoder module, a digitally controlled delay circuit for equivalent sampling, an analog-to-digital conversion (ADC) circuit, and a main controller. The synchronous clock generating circuit, the GPS positioning module, the measuring wheel encoder module, the digitally controlled delay circuit and the ADC circuit are all connected to the main controller. The synchronous clock generating circuit is further connected to an external ultra-wideband radar transmitter. The digitally controlled delay circuit is further connected to an external sampling pulse generation circuit for equivalent sampling. The ADC circuit is further connected to an external sampling gate for equivalent sampling. The main controller is further connected to an external server via Ethernet. The volume of an ultra-wideband ground penetrating radar control system is reduced. The connecting cables of the system is simplified. The reliability of the ultra-wideband radar system is improved.

A method and system improve on the accuracy of and power consumption of occupancy detection systems. Embodiments may provide a dual mode system that includes a passive infrared sensor with low power consumption and a RADAR-based sensor with higher power consumption that is only powered when the system determines a room is occupied with the passive sensor and no new movement is detected after a threshold duration.

A method and system improve on the accuracy of and power consumption of occupancy detection systems. Embodiments may provide a dual mode system that includes a passive infrared sensor with low power consumption and a RADAR-based sensor with higher power consumption that is only powered when the system determines a room is occupied with the passive sensor and no new movement is detected after a threshold duration.

A method and system improve on the accuracy of and power consumption of occupancy detection systems. Embodiments may provide a dual mode system that includes a passive infrared sensor with low power consumption and a RADAR-based sensor with higher power consumption that is only powered when the system determines a room is occupied with the passive sensor and no new movement is detected after a threshold duration.

According to an aspect, a method of data compression in a radar system comprising, converting a plurality of ranges in a first data form into a polar form, determining a plurality of logarithmic values of the plurality of ranges in the polar form, quantising the plurality of logarithmic values of the plurality of ranges with a first bit width that is fewer than a second bit width in the first data form. According to another aspect, the method further comprising quantizing the logarithmic magnitude part with a third bit width and quantising the logarithmic phase part with a fourth bit width.

This machine tool is provided with: a sensor (30-1, 30-2, 30-3, 30-4) which is disposed in the vicinity of an opening for loading a workpiece and which measures the motion of an object approaching the opening; a storage unit (18) storing a rule for classifying non-processing time into setup time and non-setup time on the basis of the motion of the object relative to the sensor; a determination unit (14) which, when a processing program is not being executed, determines whether the current state of the machine tool corresponds to setup time or non-setup time on the basis of the motion of the object and the rule stored in the storage unit; and an output unit (20) which produces an output indicating whether the current state of the machine tool corresponds to setup time or non-setup time.