Invention Grant
US09335401B2 Full analog microwave sensor for multiple range selection and ultra-low power consumption
有权
全模拟微波传感器，适用于多种选择范围和超低功耗
- Patent Title: Full analog microwave sensor for multiple range selection and ultra-low power consumption
- Patent Title (中): 全模拟微波传感器，适用于多种选择范围和超低功耗
-
Application No.: US14155885Application Date: 2014-01-15
-
Publication No.: US09335401B2Publication Date: 2016-05-10
- Inventor: Chi-Ho Chang , Li-Wei Yu , Yi-Ting Yang , Yun-Chun Sung , Ming-Tsung Hsu , Yih-Ming Huang , Ping-Chang Tsao
- Applicant: U&U ENGINEERING INC
- Applicant Address: TW Taipei
- Assignee: U&U ENGINEERING INC.
- Current Assignee: U&U ENGINEERING INC.
- Current Assignee Address: TW Taipei
- Agency: Hauptman Ham, LLP
- Priority: TW102139812A 20131101
- Main IPC: G01S13/34
- IPC: G01S13/34 ; G01S7/03 ; G01S7/35 ; G01S13/56 ; G01S13/58 ; G01S13/00
Abstract:
A microwave sensor adjusts its sensing range based on a range gate selected from multiple range gates. An active antenna module transmits a first FMCW signal toward a target based on the selected range gate and for receiving second FMCW signal reflected from the target. A modulating module is used for generating modulation signal. The bandwidth of the first FMCW signal depends on an amplitude of the modulation signal. A first demodulator is used for demodulating the first FMCW signal and the second FMCW signal to generate beat frequency. A second demodulator is used to demodulate the beat frequency signal to generate a Doppler signal. An indentifying circuit is used for generating a triggering signal based on a voltage difference between integral of the Doppler signal from an object within the rage gate and an integral of clutter.
Public/Granted literature
- US20150123842A1 Full Analog Microwave Sensor for Multiple Range Selection and Ultra-low Power Consumption Public/Granted day:2015-05-07
Information query
IPC分类:
