Title:
RADIO FREQUENCY TRANSMITTING DEVICE AND RECEIVING DEVICE AND UNMANNED AERIAL VEHICLE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/029222
Kind Code:
A1
Abstract:
Disclosed in the present invention are a radio frequency transmitting device and receiving device and an unmanned aerial vehicle system, the radio frequency transmitting device comprising: a first crystal oscillator, configured to provide a first clock signal having a frequency of f; a reference signal receiving circuit, configured to receive a reference signal having a frequency of (N-1)*f which is provided by a radio frequency receiving device; a mixer, configured to mix the first clock signal and the reference signal so as to obtain a carrier signal having a frequency of N*f; a modulation circuit, configured to load a signal to be transmitted onto the carrier signal so as to obtain a frequency band signal; and a first transmitting circuit, configured to transmit the frequency band signal to the radio frequency receiving device. The radio frequency transmission carried out according to the present invention has a strong capability for resisting momentary vibration.
Inventors:
ZHU JIAN (CN)
ZHANG XIANGDONG (CN)
YU ZHENYU (CN)
LUO ZHIPING (CN)
YAN DONG (CN)
ZHANG XIANGDONG (CN)
YU ZHENYU (CN)
LUO ZHIPING (CN)
YAN DONG (CN)
Application Number:
PCT/CN2018/087910
Publication Date:
February 14, 2019
Filing Date:
May 22, 2018
Export Citation:
Assignee:
GOERTEK INC (CN)
International Classes:
H04B1/04; H04B1/16; H04B7/185
Domestic Patent References:
| WO2003023444A1 | 2003-03-20 |
Foreign References:
| CN107359883A | 2017-11-17 | |||
| CN101567705A | 2009-10-28 | |||
| CN106341358A | 2017-01-18 |
Attorney, Agent or Firm:
BEYOND TALENT PATENT AGENT FIRM (CN)
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