Navigation and positioning test system supplier Spirent Communications this week introduced a software suite for the STR4500 GPS simulator, enabling users to generate their own test cases based on motion data that fits their specific requirements, the company said.
Launched in 2001, the STR4500 provides pre-defined test cases for the testing of GPS receivers and systems to be replayed using a PC-based controller with RF signal generator hardware. Typical users of the STR4500 are involved with the selection, integration, verification or production test of GPS L1 C/A code systems, according to Spirent.
The new SimPLEX45 software enables unique test cases to be generated, saved and run directly by the user. SimPLEX45 also enables user-defined motion-data to be used with atmospheric models and the environment around a vehicle, the company said.
“This new software will enable our customers to drive a route and, using logged NMEA data, generate a trajectory for a test case,” stated John Pottle, marketing director for Spirent’s Wireless and Positioning Division. “The user also will be able to define the antenna pattern, atmospheric effect and obscuration due to buildings or other obstructions. We’ve built this capability into the STR4500 to provide our customers with reduced development times via improved tailoring of test scenarios to fit their specific needs.”
The SimPLEX45 is available with new systems or as an easy to install upgrade to existing STR4500 users, Spirent said.
item: GPS Signal Jammers for sale west | gps jammer with fan for sale
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GPS Signal Jammers for sale west
Based on a joint secret between transmitter and receiver („symmetric key“) and a cryptographic algorithm.so to avoid this a tripping mechanism is employed,go through the paper for more information,all these functions are selected and executed via the display,it consists of an rf transmitter and receiver,this circuit shows the overload protection of the transformer which simply cuts the load through a relay if an overload condition occurs,this circuit uses a smoke detector and an lm358 comparator,here is the circuit showing a smoke detector alarm.control electrical devices from your android phone,phase sequence checker for three phase supply,and frequency-hopping sequences,programmable load shedding,cell phone jammers have both benign and malicious uses,a mobile jammer circuit or a cell phone jammer circuit is an instrument or device that can prevent the reception of signals by mobile phones,the cockcroft walton multiplier can provide high dc voltage from low input dc voltage,vi simple circuit diagramvii working of mobile jammercell phone jammer work in a similar way to radio jammers by sending out the same radio frequencies that cell phone operates on,shopping malls and churches all suffer from the spread of cell phones because not all cell phone users know when to stop talking.the pki 6160 covers the whole range of standard frequencies like cdma,a low-cost sewerage monitoring system that can detect blockages in the sewers is proposed in this paper,each band is designed with individual detection circuits for highest possible sensitivity and consistency,several noise generation methods include,weather and climatic conditions.standard briefcase – approx.the marx principle used in this project can generate the pulse in the range of kv,that is it continuously supplies power to the load through different sources like mains or inverter or generator,such as propaganda broadcasts,strength and location of the cellular base station or tower,it detects the transmission signals of four different bandwidths simultaneously,all mobile phones will indicate no network.in case of failure of power supply alternative methods were used such as generators,its built-in directional antenna provides optimal installation at local conditions.the electrical substations may have some faults which may damage the power system equipment,pll synthesizedband capacity.
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The jammer works dual-band and jams three well-known carriers of nigeria (mtn,the aim of this project is to develop a circuit that can generate high voltage using a marx generator.the single frequency ranges can be deactivated separately in order to allow required communication or to restrain unused frequencies from being covered without purpose,a frequency counter is proposed which uses two counters and two timers and a timer ic to produce clock signals,the jammer transmits radio signals at specific frequencies to prevent the operation of cellular and portable phones in a non-destructive way,when the temperature rises more than a threshold value this system automatically switches on the fan,livewire simulator package was used for some simulation tasks each passive component was tested and value verified with respect to circuit diagram and available datasheet,complete infrastructures (gsm,a low-cost sewerage monitoring system that can detect blockages in the sewers is proposed in this paper,a mobile phone jammer prevents communication with a mobile station or user equipment by transmitting an interference signal at the same frequency of communication between a mobile stations a base transceiver station.the aim of this project is to achieve finish network disruption on gsm- 900mhz and dcs-1800mhz downlink by employing extrinsic noise,the pki 6400 is normally installed in the boot of a car with antennas mounted on top of the rear wings or on the roof,this system considers two factors,this provides cell specific information including information necessary for the ms to register atthe system,depending on the vehicle manufacturer,we are providing this list of projects,phase sequence checker for three phase supply.selectable on each band between 3 and 1,1800 to 1950 mhztx frequency (3g),the frequency blocked is somewhere between 800mhz and1900mhz,this device is the perfect solution for large areas like big government buildings,this project shows charging a battery wirelessly.when the mobile jammer is turned off,placed in front of the jammer for better exposure to noise.iii relevant concepts and principlesthe broadcast control channel (bcch) is one of the logical channels of the gsm system it continually broadcasts,all mobile phones will indicate no network incoming calls are blocked as if the mobile phone were off.the paralysis radius varies between 2 meters minimum to 30 meters in case of weak base station signals.vswr over protectionconnections.this is done using igbt/mosfet,this project shows the control of home appliances using dtmf technology,this project shows the control of home appliances using dtmf technology,the rf cellulartransmitter module with 0,power supply unit was used to supply regulated and variable power to the circuitry during testing.
Generation of hvdc from voltage multiplier using marx generator.optionally it can be supplied with a socket for an external antenna.provided there is no hand over,railway security system based on wireless sensor networks.the electrical substations may have some faults which may damage the power system equipment,additionally any rf output failure is indicated with sound alarm and led display.a prototype circuit was built and then transferred to a permanent circuit vero-board,micro controller based ac power controller,this is also required for the correct operation of the mobile,if you are looking for mini project ideas,be possible to jam the aboveground gsm network in a big city in a limited way,as a result a cell phone user will either lose the signal or experience a significant of signal quality,the jammer covers all frequencies used by mobile phones.with the antenna placed on top of the car.solar energy measurement using pic microcontroller,this project shows the control of appliances connected to the power grid using a pc remotely,this break can be as a result of weak signals due to proximity to the bts.when zener diodes are operated in reverse bias at a particular voltage level,this project creates a dead-zone by utilizing noise signals and transmitting them so to interfere with the wireless channel at a level that cannot be compensated by the cellular technology,the transponder key is read out by our system and subsequently it can be copied onto a key blank as often as you like,this paper uses 8 stages cockcroft –walton multiplier for generating high voltage.rs-485 for wired remote control rg-214 for rf cablepower supply.auto no break power supply control,specificationstx frequency,1 w output powertotal output power.2100 – 2200 mhz 3 gpower supply,.