Software Defined Radio (SDR) is a radio broadcast communication technology based on a software-defined wireless communication protocol rather than hardwired. Band, air interface protocols and features can be upgraded through software downloads and updates without having to completely replace the hardware.
effectSDR provides an effective and secure solution to the problem of building multi-mode, multi-frequency and multi-function wireless communication devices.
SDRs can be reprogrammed or reconfigured to operate with different waveforms and protocols by dynamically loading new waveforms and protocols. These waveforms and protocols contain a variety of different components, including modulation techniques, safety and performance characteristics defined in software as part of the waveform itself.
(1) It has great flexibility. Software radio can easily add new features by adding software modules. It can communicate with any other station and can act as a radio relay for other stations. The software module or update software can be changed by wireless loading. In order to reduce expenses, the selected software modules can be selected according to the strength of the required functions. ï¬
(2) It has strong openness. Due to the standardized, modular structure of software radio, its hardware can be updated or expanded as devices and technologies evolve. Software can also be upgraded as needed. Software radio can not only communicate with new institutional radio stations, but also with legacy institutional radio stations. This not only prolongs the service life of the old system radio, but also ensures that the software radio itself has a long life cycle.
The manufacturing standard of the European standard plug (two rounds) is carried out according to the CE standard. European standard plugs are used in most European countries such as Germany, Austria, Holland, Sweden, Norway, Finland, and Russia. Since this standard is widely used throughout Europe, we call it the "Continental European" standard. The plug is two cylinders with a span of 19mm. The grounding level is completed by grounding the plugs on both sides. Central and Eastern Europe 7/7 European plugs have embedded pins, similar to French and Belgian sockets. The electrical parameter of the European standard socket is 10A-16A 230ACV AC power supply. The European standard socket is the safe socket in the world. The special grounding is mainly for the safety of people. Therefore, it is also the most widely used plug standard in the world. Note: The Italian standard plug has three cylinders and one wire, and the Danish and Swiss standard plugs have three cylinders into a triangle shape, and both have direct grounding pins.
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