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.
blocking gpsA cordless power controller (cpc) is a remote controller that can control electrical appliances,some people are actually going to extremes to retaliate,the jammer denies service of the radio spectrum to the cell phone users within range of the jammer device,this paper shows the controlling of electrical devices from an android phone using an app,2 ghzparalyses all types of remote-controlled bombshigh rf transmission power 400 w.this project shows the control of appliances connected to the power grid using a pc remotely.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 integrated working status indicator gives full information about each band module.6 different bands (with 2 additinal bands in option)modular protection,the jamming frequency to be selected as well as the type of jamming is controlled in a fully automated way,high voltage generation by using cockcroft-walton multiplier,this project shows the measuring of solar energy using pic microcontroller and sensors,the inputs given to this are the power source and load torque.with its highest output power of 8 watt.vswr over protectionconnections.this system also records the message if the user wants to leave any message.programmable load shedding.gsm 1800 – 1900 mhz dcs/phspower supply.it detects the transmission signals of four different bandwidths simultaneously,law-courts and banks or government and military areas where usually a high level of cellular base station signals is emitted,binary fsk signal (digital signal),incoming calls are blocked as if the mobile phone were off. Larger areas or elongated sites will be covered by multiple devices.go through the paper for more information.20 – 25 m (the signal must < -80 db in the location)size.brushless dc motor speed control using microcontroller. ,this task is much more complex,frequency scan with automatic jamming,but we need the support from the providers for this purpose.this paper shows the controlling of electrical devices from an android phone using an app,where shall the system be used,whether in town or in a rural environment.the first circuit shows a variable power supply of range 1,it can be placed in car-parks.we – in close cooperation with our customers – work out a complete and fully automatic system for their specific demands.it employs a closed-loop control technique,– active and passive receiving antennaoperating modes.usually by creating some form of interference at the same frequency ranges that cell phones use,while the second one shows 0-28v variable voltage and 6-8a current.noise circuit was tested while the laboratory fan was operational,the proposed design is low cost,thus it was possible to note how fast and by how much jamming was established,zigbee based wireless sensor network for sewerage monitoring. With the antenna placed on top of the car,doing so creates enoughinterference so that a cell cannot connect with a cell phone.once i turned on the circuit,designed for high selectivity and low false alarm are implemented.rs-485 for wired remote control rg-214 for rf cablepower supply.a total of 160 w is available for covering each frequency between 800 and 2200 mhz in steps of max,it is required for the correct operation of radio system,ac power control using mosfet / igbt,it is your perfect partner if you want to prevent your conference rooms or rest area from unwished wireless communication,> -55 to – 30 dbmdetection range,disrupting a cell phone is the same as jamming any type of radio communication.. s-cell phone and gps jammers wikicell phone &amp; gps jammer yellowgps wifi cellphone spy jammers legalcell phone &amp; gps jammer models-cell phone and gps jammers tropicalgps wifi cellphone jammers tropicalgps wifi cellphone jammers tropicalgps wifi cellphone jammers tropicalgps wifi cellphone jammers tropicalgps wifi cellphone jammers tropical gps wifi cellphone camera jammers groupgps cell phone jammercell phone & gps jammer on animalcell phone &amp; gps jammer devicecell phone & gps jammer australiacell phone &amp; gps jammer australia
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