Apparatus and method for detecting target using radar
First Claim
1. A target detecting apparatus using a radar, the apparatus comprising:
- a data selecting unit which selects specific data by comparing a first value of reference data with one or both of a second value of previous data and a third value of subsequent data, the previous data and the subsequent data being located at first and second sides of the reference data, respectively, a received signal including the previous data, the reference data, and the subsequent data, the received signal indicating information on a distance and a speed for one or more targets;
a cell average calculating unit which calculates an average value of extracted cells using a sliding window including the specific data;
a constant false alarm rate (CFAR) data detecting unit which detects CFAR data based on the average value of the extracted cells; and
a target detecting unit which detects the one or more targets based on the CFAR data.
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Abstract
The present invention suggests a target detecting apparatus and method using a radar which detect a target using a recursive modified cell average-constant false alarm rate (RMCA-CFAR) detector without having a sorting process. The present invention provides a target detecting apparatus using a radar, the apparatus including: a data selecting unit which compares reference data with at least one of previous data and subsequent data which are located at both sides of the reference data, from a received signal including information on a distance and a speed for multiple targets, to select specific data; a cell average calculating unit which calculates an average of cells extracted using a sliding window including the specific data; a CFAR data detecting unit which detects CFAR data based on the average of the extracted cells; and a target detecting unit which detects the target based on the CFAR data.
34 Citations
16 Claims
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1. A target detecting apparatus using a radar, the apparatus comprising:
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a data selecting unit which selects specific data by comparing a first value of reference data with one or both of a second value of previous data and a third value of subsequent data, the previous data and the subsequent data being located at first and second sides of the reference data, respectively, a received signal including the previous data, the reference data, and the subsequent data, the received signal indicating information on a distance and a speed for one or more targets; a cell average calculating unit which calculates an average value of extracted cells using a sliding window including the specific data; a constant false alarm rate (CFAR) data detecting unit which detects CFAR data based on the average value of the extracted cells; and a target detecting unit which detects the one or more targets based on the CFAR data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 16)
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9. A target detecting method using a radar, the method comprising:
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selecting specific data by comparing a first value of reference data with one or both of a second value of previous data and a third value of subsequent data, the previous data and the subsequent data being located at first and second sides of the reference data, respectively, a received signal including the previous data, the reference data, and the subsequent data and indicating information on a distance and a speed for one or more targets; calculating an average value of extracted cells using a sliding window including the specific data; detecting constant false alarm rate (CFAR) data based on the average value of the extracted cells; and detecting the one or more targets based on the CFAR data. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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Specification