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US$299.00 · In stock Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB 13614-2012: Electromagnetic environment requirements for short-wave radio receiving and direction finding stations Status: Valid GB 13614: Evolution and historical versions
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Electromagnetic environment requirements for short-wave radio receiving and direction finding stations
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GB 13614-2012
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Requirements of the electromagnetic environment for short-wave radio direction finding stations
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PDF similar to GB 13614-2012
Basic data | Standard ID | GB 13614-2012 (GB13614-2012) | | Description (Translated English) | Electromagnetic environment requirements for short-wave radio receiving and direction finding stations | | Sector / Industry | National Standard | | Classification of Chinese Standard | L06 | | Classification of International Standard | 33.100 | | Word Count Estimation | 13,110 | | Older Standard (superseded by this standard) | GB 13614-1992; GB 13617-1992 | | Quoted Standard | GB/T 7349-2002 | | Regulation (derived from) | National Standards Bulletin No. 13 of 2012 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Chinese standard specifies the shortwave radio receiving station (station) and radio direction finding station (station) electromagnetic environmental requirements, and clearly the shortwave radio receiving station (station) and radio direction findi |
GB 13614-2012: Electromagnetic environment requirements for short-wave radio receiving and direction finding stations ---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Electromagnetic environment requirements for short-wave radio receiving and direction finding stations
ICS 33.100
L06
National Standards of People's Republic of China
Replacing GB 13614-1992 and GB 13617-1992
Shortwave radio receiving station (station) and DF station (station)
Electromagnetic environment requirements
Issued on. 2012-06-29
2013-04-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 shortwave radio receiving station (station) protection classification 1
4.1 Overview 1
4.2 a station (station) 1
4.3 two stations (station) 2
4.4 three stations (station) 2
5 shortwave radio receiving station (station) for the protection of the transmitting station of claim 2
5.1 pairs of long wave and medium wave transmitters protection spacing 2
5.2 pairs shortwave station spacing 2 protection
Protection spacing 5.3 pairs of directional antenna 3dB beamwidth than 3
6 shortwave radio receiving station (station) to protect against electromagnetic interference sources claim 3
6.1 shortwave radio receiving station (station) for the protection of high-voltage overhead line spacing 3
6.2 shortwave radio receiving station (station) for the protection of the roads pitch 3
6.3 shortwave radio receiving station (station) for industrial, scientific and medical equipment to protect the pitch 4
6.4 Protection of the pitch under special circumstances determined 4
7 shortwave radio direction finding station (station) electromagnetic environment protection requirements 4
7.1 shortwave radio direction finding station (station) electromagnetic environment restricted 4
7.2 shortwave radio direction finding station (station) Electromagnetic Environmental pitch 4
7.3 shortwave radio direction finding station (station) supplementary measures electromagnetic environment pitch 5
7.4 shortwave radio direction finding station (station) Electromagnetic Environmental Control District 6
Recommended calculation method in Annex A (informative) Protection of pitch 7
A.1 passive obstacle --- vertical grounding conductor protection calculated pitch 7
A.2 Calculation of high voltage overhead transmission line protection pitch 7
A.3 industrial, scientific and medical equipment, radio interference protection calculated pitch 8
A.4 same protection spacing affected by the presence of active and passive interference source values Principle 9
Foreword
All the technical contents of this standard is mandatory.
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard replaces GB 13614-1992 "shortwave radio direction finding station (station) Electromagnetic environment requirements" and GB 13617-1992 "no shortwave
Radio receiving station (station) Electromagnetic environment requirements. "
This standard and GB 13614-1992 and GB 13617-1992 compared to the main technical differences are.
--- Protection of formula pitch high voltage overhead power transmission lines were corrected;
--- The protection of the pitch, shortwave transmitters were harmonized.
The standard proposed by the Ministry of Industry and Information Technology of the People's Republic of China.
The standard by the China Communications Standards Association.
This standard was drafted. the Ministry of Industry and Information Technology and Telecommunications Research Institute, State Radio Monitoring Center.
The main drafters of this standard. Guo Lin, Li, Xiao Gimli, Lubing Song.
This standard replaces the previous standard published case.
--- GB 13614-1992;
--- GB 13617-1992.
Shortwave radio receiving station (station) and DF station (station)
Electromagnetic environment requirements
1 Scope
This standard specifies the shortwave radio receiving station (station) and radio direction finding station (station) electromagnetic environmental requirements, and clearly the short-wave radio
Receiving station (station) and radio direction finding station (station) radio transmitting and generating electromagnetic radiation interference protection requirements of the facility.
This standard applies to the frequency of 1.5MHz ~ 30MHz fixed radio centralized receiving station (station) and the fixed radio direction finding station.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 7349-2002 high-voltage overhead transmission line and substation Methods of measurement of radio interference (IEC /CISPR18,1983, EQV)
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Protection spacing protectiondistance
To protect the radio shortwave radio receiving station (station) work properly prescribed radiation and electromagnetic interference launch pad to receive shortwave radio
The minimum distance to the station (station) antenna edge.
3.2
Radio direction finding station (station) radiodirectionfindingstation
Determination of the use of radio technology radio transmitters and other facilities where the direction of the radiation source.
3.3
Sources of radio interference radiointerferencesource
Radio direction finding various external electromagnetic interference radiation.
3.4
Obstacle obstacle
In the vicinity of radio direction finding antenna can radiate again, scattering, reflection or diffraction of electromagnetic waves affect the accuracy of the measurement object.
4 shortwave radio receiving station (station) protection rating
4.1 Overview
This standard is protected by shortwave radio receiving station (station), according to their administrative subordination, nature of business, communication distance and equipment functions, divided into the
At three levels. a shortwave radio receiving station (station) (hereinafter referred to as a station (station)), two shortwave radio receiving station (station) (hereinafter referred to as two
Level station (station)) and three shortwave radio receiving station (station) (hereinafter referred to three stations (station)).
4.2 a station (station)
A station (station) comprising.
● Central, directly under the State Council ministries, commissions, bureaus and above the corps level People's Liberation Army (excluding military) units of communication, monitoring and surveillance services
Sector receiving station (station).
● defense, public security and national security and maritime security at stake, and has a large building facilities or underground fortifications and trenches, and with
Large-scale antenna site, a large high-gain antenna receiving station (station).
● communication object other than the Asian country, territory or ocean-going fleet receiving station (station).
Note. Although the meet the above criteria, but the station (station) site located between the city and the area receiving the transmission area receiving station (station), press the two stations (stations) protection.
4.3 two stations (stations)
Two stations (stations) comprising.
● provinces, autonomous regions, municipalities directly under the central receiving station (station), People's Liberation Army-level units directly under the receiving station (station).
● towards Taiwan and other Asian countries seas communications (station).
● aeronautical communications and distribution belong to radar stations, marine navigation station (station) shortwave radio receiving station (station).
NOTE. meet the above conditions, but the receiver works only amplitude reported, according to three stations (stations) protection.
4.4 three stations (stations)
Central, wagons owned bureau, provincial and municipal People's Liberation Army division-level units receiving station set (station). Such units
(Station) should set up a regular antenna, regular room construction and assume more important communication tasks.
5 shortwave radio receiving station (station) on the launch pad protection requirements
5.1 pairs of long wave and medium wave transmitter station spacing protection
Shortwave radio receiving station (station) for medium, and long distance launch pad protection are shown in Table 1.
Table 1 shortwave radio receiving station (station) for medium, and long distance launch pad protection
Transmitter power
kW
Protection spacing/km
A station (station) two stations (stations) three stations (stations)
< 1001073
100 ~ 20015105
> 20,020,127
Note. The value of the guard in the middle of the pitch range, power and protection should be a linear relationship to determine the pitch.
5.2 Protection of spacing on shortwave station
Shortwave radio receiving station (station) the protection of the shortwave station spacing shown in Table 2.
Table 2 shortwave radio receiving station (station) distance protection for shortwave station
Transmitter power
kW
Protection spacing/km
A station (station) two stations (stations) three stations (stations)
0.5 542 1.5
5 ~ ~ 254 ~ 102 6 1.5 ~ 3.0
TABLE 2 (cont.)
Transmitter power
kW
Protection spacing/km
A station (station) two stations (stations) three stations (stations)
25 ~ 12 010 ~ 10 206 ~ 3.0 ~ 5.0
> 120 > 20 > 10 > 5.0
Note. The value of the guard in the middle of the pitch range, power and protection should be a linear relationship to determine the pitch.
Protection spacing 5.3 pairs of directional antenna 3dB beamwidth outside
Shortwave radio receiving station (station) other than 3dB directional antenna beamwidth protection spacing shown in Table 3.
Table 3 shortwave radio receiving station (station) distance protection directional antenna on the outside of 3dB beamwidth
Transmitter power
kW
Protection spacing/km
A station (station) two stations (stations) three stations (stations)
52 1.0 0.5 0.7
252 ~ 5 ~ 5 1.0 ~ 3.5 0.7 ~ 1.5
1205 ~ 25 ~ 10 ~ 5.0 1.5 ~ 3.5 2.5
> 120 > 10 > 5.0 > 2.5
Note. The value of the guard in the middle of the pitch range, power and protection should be a linear relationship to determine the pitch.
6 shortwave radio receiving station (station) on the source of electromagnetic interference protection requirements
6.1 shortwave radio receiving station (station) to protect against high voltage overhead line spacing
Shortwave radio receiving station (station) for the protection of high-voltage overhead line spacing shown in Table 4.
Table 4 shortwave radio receiving station (station) to protect against high voltage overhead line spacing
Voltage level
kV
Protection spacing/km
A station (station) two stations (stations) three stations (stations)
5002 1.1 0.7
220 330 1.6 0.8 0.6
110 1.0 0.6 0.5
6.2 shortwave radio receiving station (station) for the protection of the roads pitch
Shortwave radio receiving station (station) for the protection of road spacing shown in Table 5.
Table 5 guard band shortwave radio receiving station (station) on the road
Highway level
Protection spacing/km
A station (station) two stations (stations) three stations (stations)
High-speed, highway 1.0 0.7 0.5
Secondary roads 0.8 0.5 0.3
6.3 shortwave radio receiving station (station) distance protection for industrial, scientific and medical equipment
Shortwave radio receiving station (station) for the protection of industrial, scientific and medical equipment spacing shown in Table 6.
Table 6 shortwave radio receiving station (station) distance protection for industrial, scientific and medical equipment
Industrial, scientific and medical
RF devices
Protection spacing/km
A station (station) two stations (stations) three stations (stations)
General equipment 3.0 1.4 0.7
Multiple high-power devices 5.0 3.5 1.5
6.4 Protection of the pitch in special circumstances determined
Short-wave radio (station) and high-voltage overhead transmission line distance protection, and calculating shortwave radio (station) protection of various sources of interference
When the guard spacing, background noise field strength used, can be calculated in accordance with Appendix A of the formula.
7 shortwave radio direction finding protection station (station) electromagnetic environmental requirements
7.1 shortwave radio direction finding station (station) electromagnetic environment restricted area
DF antenna from the leading edge within 300m of shortwave radio direction finding station (station) Electromagnetic Environmental penalty area. In the penalty area protection, without
Sources of radio interference, and obstructions. In between 200m ~ 300m wide to allow no more than 2m, depth 1m or 1m high embankment of the canal.
7.2 shortwave radio direction-finding (station) distance to station electromagnetic environment protection
Spacing to protect the station (station) between the various sources of radio interference and obstructions and shortwave radio test shall meet the requirements of Table 7.
Table 7 lists the various protection spacing sources of radio interference and obstructions and short-wave radio direction finding station (station) between
Name of a protected spacing sources of radio interference or obstacles/m
High-voltage overhead transmission line
(Single-loop)
Voltage/kV
220 to 330
≤35
220V ~ 380V overhead distribution line 500
Overhead communication, broadcasting channels 400 ~ 600a
500 non-electrified railway
Table 7 (continued)
Name of a protected spacing sources of radio interference or obstacles/m
Electrified Railway 1200b
Industrial, scientific and medical equipment, c
General 3000
Multiple, high-power 5000
Medium and short wave power
Transmitter d
Transmit power/kW
≥100
≥10000
highway
And a high-speed 1000
Two 800
Three 500
Small agricultural machinery and equipment 500 Power
Not more than 2m metal wire fence 400
Not more than 3m isolated hut, a small cottage, etc.
Nonmetallic roof or wall 300
Metal roof or wall 500
Not more than 10m of isolated buildings
Non-metallic roof 600
Metal roofs 900
Gas or oil storage tank and other tall metal building 1800
Width greater than 5m drains 500
Woodlots 500
Hamlet 1000
City 5000
Pond 500-1000
Rivers (including the bed) 1000
Lake 2000
Coast 5000
Mountains (with hills) elevation < 2 °
a guard band press bar high 6.5m ~ 10m linear interpolation.
b The protection distance according to the provisions of the Ministry of Railways par high ground 8.7m, 0.5m high ground to determine, when does not meet this requirement, A can protect the pitch Appendix
The recommended method of calculation shall be calculated separately.
c refers to the spacing from the use of industrial, scientific and medical equipment user boundary.
d If the transmit power for the intermediate values listed values, linear interpolation is used to obtain the pitch value.
7.3 shortwave radio direction finding station (station) supplementary measures electromagnetic environment pitch
When the protective spacing specified in Table 7 execution is really difficult to be the actual source of radio interference and obstructions in the relevant terms of Appendix A
Calculation method to calculate or measure, and weighed against the social, economic, technological and other factors, coordination.
7.4 shortwave radio direction finding station (station) Electromagnetic Environmental Control District
From the forefront of 300m ~ DF antenna for the shortwave radio direction finding station (station) electromagnetic protection control area between 3000m in this range
Inside, who can not be included in Table 1 of the new buildings and other facilities should be coordinated in advance.
Appendix A
(Informative)
Recommended protection calculated pitch
A.1 passive obstacle --- vertical ground conductor spacing calculated protection
The vertical distance between the ground conductor finding station (station) to the measured distance between the antenna must be greater than 60 times the height of the vertical grounding conductor, namely.
D≥60la (A.1)
Where.
la --- vertical grounding conductor height in meters (m);
D --- vertical distance between the ground conductor and direction finding antenna, in meters (m).
When multiple vertical ground conductors arranged in rows, according to Table A.1 given increased protection spacing.
Table A.1 trip type vertical grounding conductor spacing fold increase protection table
S (pole pitch)/la (high bar) than a single vertical grounding conductor requirement increases in multiples
5 ~ 10 ~ 2.3 1.8
15 1.8 ~ 1.4 10 ~
20 1.4 ~ 1.1 15 ~
> 201
Note. multiple values in Table A.1 in the middle range, and should be a multiple of (pole distance/bar high) linear relationship determination.
A.2 Calculation of high voltage overhead transmission line protection pitch
A.2.1 high voltage overhead power line pole calculation pitch protection
High-voltage overhead transmission line poles as a passive obstacle --- vertical grounding conductor, on shortwave radio direction finding station (station), the meter
Calculation method, see A.1.
A.2.2 high-voltage overhead transmission lines protection distance calculation method
High-voltage overhead transmission lines as an active source of radio interference, its distance protection is calculated as follows.
Using control background noise calculation method, namely by allowing the background noise level to calculate the incremental distance protection, the use of SNR Calculation Method
France See GB/T 7349.
Dp = 10k (A.2)
among them.
k = E0 ΔEd ΔEW ΔEf-N0-10lg
(100.1δn-1)
20 0.85
(A.3)
Where.
Dp --- high-voltage overhead power line interference on shortwave radio (station) protective distance in meters (m);
E0 --- high-voltage overhead transmission lines of radio interference reference level, referring to high voltage overhead power line from the edge of the ground phase conductor projection at 20m
0.5MHz radio interference level in units of dB (μV/m);
ΔEd --- distance correction value, in dB, can use the following formula.
When the distance Dp < 100m,
ΔEd = -20Klg (Dp/20) (A.4)
When > 100m distance Dp,
ΔEd = -13.98K-20lg (Dp/100) (A.5)
Where.
K --- attenuation coefficients, and 0.15MHz ~ 0.40MHz, K = 1.80; 0.40MHz ~ 30MHz, K = 1.65;
ΔEw --- rain incremental radio interference, taking 15dB;
ΔEf --- frequency correction value, in dB, can use the following formula.
ΔEf = 5 [1-2 (lgf) 2] (A.6)
f is the frequency in MHz.
N0 --- station (station) local background noise level of 90% (N0 value measured or calculated using the method of determining the frequency of 1.5MHz,
Preferably 12dB (μV/m));
δn --- incremental allow background noise, in dB. All levels of station (station) allows increments as shown in Table A.2.
Delta list background noise levels in Table A.2 station (station) allowed
Station (station) to allow background noise level increment/dB
A station (station) 0.5
Two stations (stations) 1.0
Three stations (stations) 1.5
When sunny, frequency of 500kHz, the radio interference from high-voltage overhead transmission wire reference level at the edge of the phase conductors 20m by the formula
(A.7) calculated as follows.
E0 = 3.5gmax 12r-30 (A.7)
Where.
E0 --- from the high-voltage overhead transmission line side with wire to the ground at the projection 20m radio interference level in units of dB (μV/m);
--- Gmax maximum potential gradient surface of the wire, in units of kV (rms)/cm;
R --- single wire radius, in units of cm.
A.3 industrial, scientific and medical equipment, radio interference protection calculation pitch
Radio interference limits for industrial, scientific and medical equipment in the shortwave bands in Table A.3 value.
Table A.3 radio interference of industrial, scientific and medical equipment limits
Frequency Range
MHz
E30 users from interfering field strength at the boundary 30m
dB (μV/m)
1.50 1.705 65 ~
1.705 2.194 70 ~
65 3.95 2.194 ~
3.95 2050
20 ~ 3040
Interference threshold receiving system is calculated as follows.
ERT = -35-7lgf 10lgb (A.8)
Where.
ERT --- interference threshold limit in dB (μV/m);
f --- frequency in MHz;
b --- receiver bandwidth in Hz.
Protection principles spacing values of active and passive influence A.4 same source of interference
When a source of interference, containing both affect the source of interference, but also including the impact of obstacles, it should be the larger of protection spacing values determined.
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