Analysis of Radio Frequency Interference in AMSR2 7.3 GHz Channels over East Asian Ocean

Ying Wu; Meixin Li

doi:10.3788/LOP57.092801

Laser & Optoelectronics Progress, Volume. 57, Issue 9, 092801(2020)

Analysis of Radio Frequency Interference in AMSR2 7.3 GHz Channels over East Asian Ocean

Ying Wu^1,2、* and Meixin Li^1,2

¹Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, CMA Key Laboratory for Aerosol-Cloud-Precipitation, Nanjing University of Information Science & Technology, Nanjing, Jiangsu 210044, China;

²School of Atmospheric Physics, Nanjing University of Information Science & Technology, Nanjing, Jiangsu 210044, China;

show less

Abstract Get PDF(in Chinese)

Figures & Tables(4)

Fig. 1. Spatial distribution of RFI signal observed under horizontal polarization with generalized RI index detection method

Download full size

Fig. 2. Spatial distribution of RFI signal observed under horizontal polarization with spectral difference method

Download full size

Table 1. AMSR2 channel characteristics

View table

Table 1. AMSR2 channel characteristics

Center frequency /GHz	Polarization	Band width /MHz	Spatial resolution /km	Sensitivity /K
6.925	H/V	350	35×62	0.34
7.3	H/V	350	34×58	0.43
10.65	H/V	100	24×42	0.7
18.7	H/V	200	14×22	0.7
23.8	H/V	400	15×26	0.6
36.5	H/V	1000	7×12	0.7
89.0	H/V	3000	3×5	1.2

Table 2. Numbers of pixels of detected RFI signal

View table

Table 2. Numbers of pixels of detected RFI signal

Date	7 GHz V-pol		7 GHz H-pol
Date	Generalized RFIindex method	Spectrumdifference method	Generalized RFIindex method	Spectrumdifference method
1	962	500	548	299
2	1085	451	672	295
3	1168	552	820	474
4	839	422	659	305
5	1107	510	821	416
6	1264	559	1387	555
7	1182	547	954	351
8	1234	588	1517	501
9	988	418	886	273
10	1030	437	993	270
11	1102	436	946	325
12	1402	548	1494	601
13	1830	609	2567	1046
14	1756	598	1786	637
15	1471	620	1105	485
16	1051	486	562	250

Tools

Get Citation

Copy Citation Text

Ying Wu, Meixin Li. Analysis of Radio Frequency Interference in AMSR2 7.3 GHz Channels over East Asian Ocean[J]. Laser & Optoelectronics Progress, 2020, 57(9): 092801

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites

Paper Information

Category: Remote Sensing and Sensors

Received: Jun. 19, 2019

Accepted: Sep. 12, 2019

Published Online: May. 6, 2020

The Author Email: Wu Ying (wuying_nuist@163.com)

DOI:10.3788/LOP57.092801

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology