GB 13613-2011 English PDFUS$259.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB 13613-2011: Electromagnetic environment requirement for sea long range radio navigation stations and monitors Status: Valid GB 13613: Historical versions
Basic dataStandard ID: GB 13613-2011 (GB13613-2011)Description (Translated English): Electromagnetic environment requirement for sea long range radio navigation stations and monitors Sector / Industry: National Standard Classification of Chinese Standard: M50 Classification of International Standard: 33.200 Word Count Estimation: 11,165 Date of Issue: 2011-06-16 Date of Implementation: 2012-05-01 Older Standard (superseded by this standard): GB 13613-1992 Quoted Standard: GB/T 6113.101; GB 13614 Regulation (derived from): Announcement of Newly Approved National Standards No. 9 of 2011 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 longwave remote radio navigation station (ie, Loran-C navigation station) and longwave radio navigation system remote monitoring stations (ie, Loran-C stations) electromagnetic environmental requirements. Provides navigation station and stations in order to ensure the normal navigation information while providing active jamming and station facilities around the restrictions. This standard applies to long-wave radio navigation station and remote stations electromagnetic environmental management, and as the navigation station and between stations and other facilities electromagnetic compatibility criteria. GB 13613-2011: Electromagnetic environment requirement for sea long range radio navigation stations and monitors---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 requirement for sea long range radio navigation stations and monitors ICS 33.200 M50 National Standards of People's Republic of China Replacing GB 13613-1992 Sea navigation station and remote radio stations Electromagnetic environment requirements Issued on. 2011-06-16 2012-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released Table of ContentsPreface Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 longwave remote radio beacon 2 5 longwave radio navigation system remote monitoring station 3 6 4 measuring instruments and methods of measurement Appendix A (normative) Calculation of Loran C line 5 Annex B (informative) longwave remote radio navigation station to multiple sources of interference interference calculation method of comprehensive protection level 6 Appendix C (Informative Appendix) 1000kV and more exchange of special high-voltage overhead power line protection calculated distance 7ForewordAll the technical contents of this standard is mandatory. This standard replaces GB 13613-1992 "on the sea remote radio navigation station electromagnetic environment requirements." This standard compared with GB 13613-1992 main changes are as follows. --- Modification of the original standard name; --- Delete the contents of the relevant medium-range radio beacon (ie Roland A navigation station); --- Increase 1000kV and above UHV AC overhead power line protection requirements. Appendix A of this standard is a normative appendix, Appendix B and Appendix C are informative appendix. 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. Twenty Chinese Institute of Electronics Technology Group Corporation. The main drafters of this standard. package Wu Wei, Wang, Zhu Hui, Huyue Hu. Sea navigation station and remote radio stations Electromagnetic environment requirements1 ScopeThis standard specifies the longwave remote radio beacon (ie, Loran C navigation station) and longwave radio navigation system remote stations (ie, Rom Blue C Stations) electromagnetic environmental requirements. Sets out to provide information in order to ensure normal navigation and navigation station while the active jamming stations and station Restrictions surrounding facilities. This standard applies to long-wave electromagnetic environmental management station and the remote radio navigation stations, and as the navigation station and stations and One of EMC guidelines among other facilities. This standard does not apply to other sea stations and radio navigation stations.2 Normative referencesThe following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 6113.101 radio disturbance and immunity measuring apparatus and methods - Part 1-1. Radio disturbance and anti- Interference measuring equipment measuring equipment (GB/T 6113.101-2008, CISPR16-1-1.2006, IDT) GB 13614 shortwave radio direction finding station (station) Electromagnetic environment requirements3 Terms and DefinitionsThe following terms and definitions apply to this standard. 3.1 Protection rate protectionrate It means to ensure that the receiving antenna signal strength and interference field strength minimum ratio that is protected by the navigation station and station equipment is working properly, in order to Decibel (dB) representation. 3.2 Near synchronous interference near-synchronousinterference Refers to the frequency falls Loran C line frequency interference within 0.1Hz. 3.3 Asynchronous interference non-synchronousinterference It means interference Loran C line frequency falls outside the frequency 0.1Hz. 3.4 Remote station fartransmittedstation And refers to our station in a primary and secondary line LMH another Loran C navigation station. 3.5 By monitoring stations monitoredtransmittedstation Loran C stations in charge of monitoring means Loran C navigation station. 3.6 Loran C signal strength Loran-Csignalfieldstrength It refers to Loran C signal standard sample point corresponding to the level of field strength in decibels microvolts per meter [dB (μV/m)].4 Long Wave Remote Radio beacons4.1 longwave remote omnidirectional radio beacon was transmitted pulse navigation signal transmission units. To provide the correct navigation information, it will Need to receive distant signals transmitted station. The center frequency of 4.2 longwave remote radio navigation station working for 100kHz, 90kHz ~ 110kHz within the frequency band contains a navigation station radiation More than 99% of the energy. 4.3 longwave remote radio navigation station protected facilities including navigation and site transmitting antenna, receiving antenna and space navigation, other Navigation equipment and affiliated shortwave communications facilities. 4.4 longwave remote radio navigation station receives a remote station Loran C signal minimum signal strength at 25 ° north latitude is 54dB (μV/m), South of latitude 25 ° to 60dB (μV/m). 4.5 in the 70kHz ~ 130kHz frequency bands, longwave remote radio navigation station near continuous wave and continuous wave interference synchronous asynchronous interference The rate of protection should meet the requirements of Figure 1, Loran C line calculation in Appendix A. 1 long-wave remote radio navigation station near continuous wave synchronous and asynchronous interference Protection against interference curve 4.6 in the 70kHz ~ 130kHz frequency bands, longwave remote radio beacon frequency shift keying interference protection should be consistent with FIG. 2 Provisions. Figure 2 longwave remote radio beacon frequency shift keying Protection against interference curve 4.7 longwave remote radio navigation station on industrial, scientific and medical equipment interference from co-channel protection ratio of 9dB, other active jamming Co-channel protection ratio of 15dB. 4.8 When more than one source of interference, the interference level integrated multiple sources of interference calculated in the interference level of each individual rms, calculated See Appendix B. 4.9 to navigate the transmitting antenna as the center, within a radius of 500m may not have the overhead of metal cables, railways, highways, tall buildings and non this station Trees. 4.10 to navigation receiver antenna as the center, within a radius of 60m may not have the overhead wire cable and 10m high above the buildings. 4.11 to navigation receiver antenna as the center, within a radius of 250m and above shall have 1000kV AC UHV overhead power line protection Calculated distance in Appendix C. 4.12 Electromagnetic Environment longwave remote radio navigation station affiliated HF communication facilities shall comply with the relevant provisions of GB 13614.5 longwave radio navigation system remote monitoring station5.1 Loran C stations are receiving station signal. To provide the correct navigation information, the receiving station must be monitored station Loran C Signal transmitted navigation information to the console. 5.2 Stations Protected amenities include a navigation receiver and antenna sites, navigation equipment and other ancillary HF communication facilities. 5.3 monitoring stations receiving station Loran C signal minimum signal strength at 25 ° north latitude is 54dB (μV/m), at latitude 25 ° to South 60dB (μV/m). 5.4 Stations continuous wave within 70kHz ~ 130kHz band near-synchronous interference, asynchronous continuous wave interference and anti-interference frequency shift keying Support rate value based on the 4.5 and 4.6, an additional 5dB; co-channel interference protection to other active rates with 4.7 and 4.8. 5.5 to navigate the receiving antenna as the center, within a radius of 20m and must not have more than 35kV overhead high voltage transmission lines, antenna over the roots The height of overhead wire cable and over 10m above the foot of the antenna structure. 5.6 to navigate the receiving antenna as the center, within a radius of 250m and above shall have 1000kV AC UHV overhead power line protection Calculated distance in Appendix C. 5.7 Stations electromagnetic environment shortwave communication facilities shall comply with the relevant provisions of GB 13614.6 measuring instruments and methods of measurement6.1 measuring signal strength and interference field strength the instruments should be consistent with GB/T 6113.101 requirements. 6.2 measuring amplitude modulation and frequency modulation continuous wave interference field strength should average detector; measuring the pulse modulated signal strength and dry Interference field strength should be quasi-peak detector or a peak detector. 6.3 signal strength and interference field strength measurements averaged on the ground.Appendix A(Normative) Loran C spectrum calculation Loran C transmitter pulse modulation mode, therefore, it has a discrete spectrum. Line spacing and pulse repetition period or phase encoding group Code period is inversely proportional. See equation (A.1). fsp = 1PCI = 2GRI (A.1) Where. fsp --- line spacing in hertz (Hz); The PCI --- phase encode period, in seconds (S); GRI --- pulse repetition period in seconds (s). For example, when GRI was 99600μs. fsp = 5.021Hz The center line in the 100kHz, discrete frequency spectrum according to equation (A.2) Calculated. fn = f0 ± n2GRI (A.2) Where. fn --- line frequency in hertz (Hz); n --- integer; f0 --- 100kHz carrier frequency.Appendix B(Informative) Longwave remote radio navigation station to multiple sources of interference Integrated interference calculation method of protection level Longwave radio navigation station or remote stations by multiple sources of interference Interference is a common situation. Integrated dry multiple sources of interference Interference protection level can be calculated as follows. a) in accordance with the navigation station or stations protected by geographical location, to determine the minimum Loran C signal strength of their claims. b) the frequency, intensity and location of the station to find out the type of interference protected by various interference signals. c) for all interfering signal to identify, according to their form and frequency of the interference, which interference level equivalent electrical conversion to the corresponding 100kHz level. Conversion method is to subtract a specific level of interference 20dB Protection against interference with that particular rate or co-channel protection ratio Difference. d) less than 100Hz bandwidth continuous wave interference 70kHz ~ 90kHz and 100kHz ~ 130kHz, allowing its Film Greatest impact notching amended. Correction notch on each side with a maximum of a second, every 30dB, to allow the same interference Secondary correction. e) Take converted and notch corrected rms value of the interference level as the equivalent of more comprehensive level of interference. f) the minimum signal level equivalent Loran C difference between the number of decibels more comprehensive level of interference should be protected in line with navigation station and stations Continuous wave 100kHz near synchronous interference protection rate.Appendix C(Informative) 1000kV and more exchange of special high-voltage overhead power line protection calculated distance Protection from high voltage overhead power line in accordance with the International Special Committee on Radio Interference No. CISPR18 text, 1000kV and more exchange of special Can follow from formula (C.1) Calculated. d≥100 × 10 (Ed-EL δE R-23)/20 (C.1) Where. d --- high-voltage overhead power line protection distance in meters (m); Ed --- high-voltage overhead power lines at a distance d equivalent interference level, in decibels microvolts per meter (dBμV/m); EL --- minimum signal field Changhe 2 system navigation station strong decibels microvolts per meter (dBμV/m); Strong correction value signal field δE --- after considering atmospheric noise, in decibels (dB); R --- Changhe 2 system navigation station on the high-voltage overhead power lines active interference protection ratio in decibels (dB). Among them, in accordance with the relevant formula, high-voltage overhead power line interference level 500kHz to 100kHz frequency conversion, the equivalent level of interference by Plus 5dB. Strong correction value considering atmospheric noise signal field after δE = 6dB. For 50dB ~ 80dB equivalent level of interference, Table C.1 gives a theoretical estimate of ultra-high voltage overhead power line protection zone. Table C.1 theoretical estimates UHV power line protection zone Equivalent level of interference Ed/(dBμV/m) Low signal strength EL/(dBμV/m) Protection rate dB Protection zone d/m ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 13613-2011_English be delivered?Answer: Upon your order, we will start to translate GB 13613-2011_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. 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