![]() ![]() This design method is significant to improve the performance of UWB communication system. The paper gives theoretical analysis, design method and computer simulation results. ZHAN Meng-jun, ZHANG Shi-jie, CHEN Hu,et al. This study, the ultra-wide band SSCI signal is design to an optimal signal conforming to FCC and ETSI standards by signal optimizing design method, which can reduce the interference with other wireless systems. The known specification information of the stickers was used as the standard value to compare the measuring. Meanwhile, it is capable of correlative receiving the SS coherent subcarriers, so that the correlative receiving gain is improved and the intersymbol cross-interference is decreased. Here is how: 1) Open a chat with anybody, then open your keyboard and click on the emoji icon. The narrow pulse signal synthesized by several SS subcarriers features good signal waveform and anti-multipath high resolution performance of UWB signal. Make Your Own On WeChat, you can even make your own stickers (and it’s free). Through CI spectrum spreading of each coherent carrier and synthesizing them together, good results can be obtained. The power spectrum density is decreased, the frequency usage efficiency is improved and the multi-access application is allowed. Liu Jun thought of Ji Fanyuns biography for Meng Lian, and also thought of Qiu. Abstract: A Spread Spectrum CI(SSCI) synthesized narrow pulse technique is put forward based on UWB CI pulse, a narrow pulse signal synthesized by several coherent carriers. Liu Jun was driving the car, recalling that he had read Ji Fanyuns. ![]()
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