Spirent GSS7725 Скачать руководство пользователя

Страница: 37 / 46

6-00

DGP01448AAA

GSS7725 Interference Generator User Manual
© Spirent Communications plc 2002-2017

A-3

Terms & Abbreviations

Acronym

Description

FEC

Forward Error Correction

FOM

Figure of Merit

FRPA

Fixed Radiation Pattern Antenna

FRPAGP

FRPA Ground Plane

Gi(t)

Gold code (C/A ranging code)

GDOP

Geometric Dilution of Precision

GMT

Greenwich Mean Time

SPIRENT

Spirent Communications plc

GPS

Global Positioning System

GUI

Graphical User Interface

HDOP

Horizontal Dilution Of Precision

HOW

Hand -Over Word

Host Vehicle

ICD

Interface Control Document

Intermediate Frequency

ILS

Instrument Landing System

INS

Inertial Navigation System

IODC

Issue of Data, Clock

IODE

Issue of Data, Ephemeris

ISC

Inter-Signal Correction

JPO

Joint Program Office

J/S

Jamming to Signal Ratio

LAAS

Local Area Augmentation System

GPS primary D-band carrier frequency, 1575.42 MHz

Galileo carrier frequency

GPS secondary D-band carrier frequency, 1227.6 MHz

GPS tertiary D-band carrier frequency, 1176.45 MHz

LRU

Line Replaceable Unit

Local Oscillator

LSB

Least Significant Bit

MCS

Master Control Station

MHz

Megahertz (106 Hz)

MSAS

MTSAT Satellite Augmentation System

MTSAT

Multi-functional Transport Satellite

MSB

Most Significant Bit

MSL

Mean Sea Level

Nav Data

Navigation data message

Nanosecond (10-9 second)

NSA

National Security Agency

Содержание GSS7725

Страница 1: ...DGP01448AAA Issue 6 00 August 2017 Document status APPROVED GSS7725 INTERFERENCE GENERATOR USER MANUAL...

Страница 2: ...RISED IN WRITING BY SPIRENT COMMUNICATIONS PLC THE HOLDER OF THIS DOCUMENT SHALL KEEP ALL INFORMATION CONTAINED HEREIN CONFIDENTIAL AND SHALL PROTECT SAME IN WHOLE OR IN PART FROM DISCLOSURE AND DISSE...

Страница 3: ...sequence 4 3 4 8 Firewall Rules 4 3 CHAPTER 5 SCENARIO DEFINITION 5 1 5 1 Signal types 5 1 5 2 Use File 5 2 Interference Simulation File editor 5 3 Using the Interference Simulation File editor 5 4 5...

Страница 4: ...S7725 Interference Generator User Manual Spirent Communications plc 2002 2017 A 2 Abbreviations and acronyms A 2 SPIRENT CUSTOMER SUPPORT B 1 INDEX AND LIST OF FIGURES AND TABLES C 1 INDEX C 1 LIST OF...

Страница 5: ...t may use the following trademarks or registered trademarks Microsoft and Windows trademarks or registered trademarks of Microsoft Corporation InstallShield a registered trademark of InstallShield Sof...

Страница 6: ...R IN CONTRACT STRICT LIABILITY OR TORT INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE 1 4 Document format Table...

Страница 7: ...signal level control 20 dB GNSS signal level accuracy 1 0 dB RSS I S ratio relative to nominal GPS C A signal level 0 to 110 dB Interference level expressed as absolute power1 130 to 20 dBm Interferen...

Страница 8: ...ent Table 2 3 GSS7725 Environmental Safety parameters Property Description Temperature range 15 C to 40 C The equipment employs forced air cooling Relative Humidity 75 max Mechanical Not exposed to vi...

Страница 9: ...t state with an update rate of 2 Hz default 0 dB Controller to PosApp IP Address 192 168 5 30 default PCIe card Controller to GSS7725 IP addresses 192 168 10 1 default motherboard 2 5 Test Waveforms F...

Страница 10: ......

Страница 11: ...nd this document refer to various components using the Spirent nomenclature defined below SimGEN simulates one or more Vehicles each Vehicle may have one or more Antennas mounted on it Each Antenna co...

Страница 12: ......

Страница 13: ...ort found on the back of the GSS7725 4 2 Connectivity The following sections show the interconnect diagrams for simple configurations of the GSS7725 with the Spirent GSS signal generators Each diagram...

Страница 14: ...tor User Manual Spirent Communications plc 2002 2017 4 4 GSS6700 4 5 GSS7000 Figure 2 GSS6700 GSS7725 Hardware Connectivity Figure 3 GSS7000 GSS7725 Hardware Connectivity GSS7725 Controller GSS6700 Co...

Страница 15: ...cripts are running If this error is seen check the Ethernet connections and if necessary re power the GSS7725 controller If the error is still seen you will need to power cycle the Spirent GSS signal...

Страница 16: ......

Страница 17: ...After you have clicked OK you may see the message Incompatible h w appearing in the bottom right hand corner of the SimGEN window The most likely cause for this error message is that the requested ha...

Страница 18: ...o SimGEN defaults to using this interference file Interference files use the extension itf In the Scenario contents window under each antenna highlight Interference file see Figure 6 which shows the d...

Страница 19: ...dit the interference characteristics for all Interference channels associated with a given antenna After selecting an existing file or opening a new file you can then open the Interference Simulation...

Страница 20: ...edit an existing file the editor selects the first action The file editor is identical to the list editor in SimGEN see reference a 5 3 Interactive mode You can interactively control an interference s...

Страница 21: ...t enter the Action time in days and hh mm ss All GSS7725 commands persist until countermanded by another command in the same category Click on File Save as to save the Interference Simulation File Typ...

Страница 22: ...nd prevents entry of Level and Reference Level after clicking Deselected SimGEN allows entry of any value of Level Reference Level as determined by the total ranges of Level and Reference Level Notes...

Страница 23: ...he GSS7725 controller software is running upon i e dedicated Ethernet with no other traffic number and clock speed of CPU cores SSD vs HDD Reference clock The internal reference clock has a frequency...

Страница 24: ...erer Level Action time Set the days and time into the scenario you want to apply the Command type Vehicle Antenna Vehicle number for the command default 1 Antenna number for the command default 1 Chan...

Страница 25: ...nterfere Delta level Action time Set the days and time into the scenario you want to apply the Command type Vehicle Antenna Vehicle number for the command default 1 Antenna number for the command defa...

Страница 26: ...Command Description timestamp Custom Waveform 7725 vehicle antenna channel reference_level level check_level file_name centre_frequency_hz sample_frequency_mhz target_frequency_mhz clock_type endianne...

Страница 27: ...played IQ data Where timestamp time in to run specified by d hh mm ss vehicle integer starting at 1 antenna integer starting at 1 channel integer starting at 1 reference_level integer in dB i e 130 le...

Страница 28: ...e current RF IQ file being played An example would be 1 00 10 00 RF on off 1 1 1 off This would issue a command at 1 day and 10 minute in to the scenario run for vehicle 1 antenna 1 channel 1 and woul...

Страница 29: ...ude default calibration_samples_power Samples power of the calibration signal average I 2 Q 2 default 536870912 calibration_table_fname Calibration table filename csv vertical table default Calibratio...

Страница 30: ...ocess due to the conversion from the file sample rate to the required output sample rate The command STATus can be used to retrieve the current state of the controller A return results of PROCESSING m...

Страница 31: ...ation only 25000000 25 MS s FILe ENDianess value Sets the endianness of the input file Where value is one of 0 Big 1 Little Default 0 FILe FILEpath path str Sets the IQ file path Where path str is a s...

Страница 32: ......

Страница 33: ...SS7725 controller PC with Ethernet GSS7725 controller GSS7725 controller Keyboard mouse and monitor Connected to GSS7725 controller PC Power supply Power brick that comes with GSS7725 Ethernet cable E...

Страница 34: ...a while to run eventually it will finish without error and produce a file within the etc directory called CalibrationTable_UsrpEthAtt csv This file can be loaded in to Excel and the line plotted It w...

Страница 35: ...See UUT Host Computer A computer that controls the Spirent signal generator It prepares data to drive the signal generator analyses the results of the simulation and performs related housekeeping and...

Страница 36: ...mming AOC Auxiliary Output Chip AODA Age Of Data Almanac A S Anti Spoofing ASCII American Standard Code for Information Interchange BCD Binary Coded Decimal BITE Built In Test Equipment bps Bits per s...

Страница 37: ...requency ILS Instrument Landing System INS Inertial Navigation System IODC Issue of Data Clock IODE Issue of Data Ephemeris ISC Inter Signal Correction JPO Joint Program Office J S Jamming to Signal R...

Страница 38: ...er Independent Exchange Format RT Remote Terminal S A Selective Availability SAAS Selective Availability and Anti Spoofing SBAS Satellite Based Augmentation System such as WAAS EGNOS and MSAS SPS Stan...

Страница 39: ...tware or documentation Spirent s fault reporting system will ensure Global Services can quickly return your simulator to normal working operation After contacting Spirent Global Services to report a f...

Страница 40: ...an Jose California 95134 USA Tel 1 800 SPIRENT E mail support spirent com Asia Pacific All Positioning Customers Spirent Communications Shining Tower No 35 Xueyuan Road Room 1302 Beijing 100083 China...

Страница 41: ...y 2 1 FRPA A 3 FRPAGP A 3 G Galileo A 2 A 3 GDOP A 3 Gi t A 3 GLONASS A 2 GMT A 3 GNSS signal level 2 1 GNSS signal level accuracy 2 1 GNSS signal level control 2 1 GPS 3 1 5 6 5 9 A 2 A 3 GUI A 3 H H...

Страница 42: ...4 PLTS A 4 PPS A 4 PPSSM A 4 PRN A 2 A 4 PRS A 2 A 4 PRS Noise A 4 R RCVR A 4 RINEX A 4 RT A 4 Run Time A 1 S S A A 4 SAAS A 4 SBAS A 4 Scenario 3 1 5 2 5 3 5 4 A 1 Signal Level 5 8 5 9 SPS A 4 SSG 3...

Страница 43: ...vity 4 3 Figure 5 Antenna Signal Types dialog 5 1 Figure 6 Scenario tree 5 2 Figure 7 Select File dialog 5 3 Figure 8 Interference Simulation File editor 5 3 Figure 9 Interference Window 5 4 Figure 10...

Страница 44: ...ameters 2 2 Table 2 4 GSS7725 Operating parameters 2 2 Table 2 5 GSS7725 Default Waveform Definitions 2 3 Table 5 1 Mode of operation with a user action file and an interference file 5 9 Table 5 2 GSS...

Страница 45: ...tions plc can give no warranty or undertaking and make no representation as to their accuracy In particular Spirent Communications plc hereby expressly excludes liability for any form of consequential...

Страница 46: ...of this document or any methods or techniques available therefrom must not be disclosed to any other person whatsoever SPIRENT COMMUNICATIONS PLC CONFIDENTIAL The information contained in this documen...

Результаты поиска

Содержание GSS7725

Отзывы:

Похожие инструкции для GSS7725

Бренды по названию

Популярные бренды

Spirent GSS7725, Руководство пользователя

Результаты поиска

Содержание GSS7725

Отзывы:

Похожие инструкции для GSS7725

Бренды по названию

Популярные бренды