通信专业毕业论文翻译

AbstractBased on orthogonal frequency division multiplexing (OFDM) provides a brief explanation, and on the basis of detailed introduces the OFDM baseband related parts of demodulation system - MQAM IFFT/FFT, and finally determined and software simulation system parameters in 12 - tall carrier under the framework of the system, the selection of orthogonal amplitude modulation of 32 and 16 points to realize the fast Fourier transform the orthogonal frequency division multiplexing baseband paper with digital baseband signal transmission relevant scrambler with unfasten harass a detailed introduction and analysis of the different parameters, so that our system performance will have a more comprehensive this part of the software, we use DSP simulation software Studio - Code Composer, CCS for scrambler/unfasten harass, amplitude modulation system and orthogonal demodulation mapping, mapping and fast Fourier transform is the main algorithms and optimization, and finally achieve the OFDM baseband system of modulation and demodulation function.

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This paper is written from the job of Shenzhen Unicom WCDMA wireless network optimization. Do some theoretical analysis and practice verifications on the WCDMA network optimization .The paper consists of six parts. Part One gives a brief introduction to the WCDMA system and the significance of network optimization. Part Two gives introduction to Shenzhen Unicom's WCDMA network optimization project. Part Three introduces in detail on Shenzhen Unicom’s WCDMA network optimization process and methods. Introduced the principle and process of the single-point optimization and the cluster optimization. Part Four, Case introduced to Shenzhen Unicom’s WCDMA network optimization, single-station and cluster testing, analysis, improvement, optimize. The paper comes to the conclusion and prospects in the last part.不知道翻译的怎样，请高手赐教！

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