基于simulink的cofdm系統(tǒng)仿真及編碼調(diào)制分析課程設(shè)計(編輯修改稿)
2024-09-30 14:21 本頁面
【文章內(nèi)容簡介】 put type: Matrix Index mode: Onebased Rows: [16:64,1:15] Twiddle factor putation: Table lookup Input type: Matrix Index mode: Onebased Rows: [39:64,1:64] Training Insertion 內(nèi)部結(jié)構(gòu)圖 Select: Columns Indices to output: {1,2} Number of input: 2 廣西大學課程設(shè)計 —— 基于 simulink 的 COFDM 系統(tǒng)仿真 8 Output signal: Framebased P/ S 內(nèi)部結(jié)構(gòu)圖 Initial conditions: 0 Output: Real and image Maximum Doppler shift: 50 Sample time: 8e5 / 180 Delay vector: [0 3e6] Gain vector: [0 8] Initial seed: 936497248 Initial seed: 32965 Mode: Signal to noise ratio ( Es / No ) Es / No : 28 Input signal power: 30 / ( * 11 / 15 * ) * Symbol period: 80e6 S/ P 內(nèi)部結(jié)構(gòu)圖 廣西大學課程設(shè)計 —— 基于 simulink 的 COFDM 系統(tǒng)仿真 9 Output buffer size: 180 Output: Real and image Training Separation 內(nèi)部結(jié)構(gòu)圖 Indices to output: {91:180,1:90} Number of input: 2 OFDM Demodulator 內(nèi)部結(jié)構(gòu)圖 Input type: Matrix Index mode: Onebased Rows: [27:90] Twiddle factor putation: Table lookup Input type: Matrix Index mode: Onebased Rows: [50:64,1:16] Output signal: Framebased Select: Columns Indices to output: {1,2} 廣西大學課程設(shè)計 —— 基于 simulink 的 COFDM 系統(tǒng)仿真 10 Channel Estimator 內(nèi)部結(jié)構(gòu)圖 Step time: 16e5 / 2 Sample time: 16e5 / 2 Generator polynomial: [1 0 0 0 0 1 1] Initial states: [0 0 0 0 0 1] Sample time: 16e5 / 2 / 31 Sample per frame: 31 Mary number: 2 Function: reciprocal Output data type mode: Same as first input Round integer calculations toward: Floor Output signal: Framebased Number of input: 2 Output signal: Framebased Function: reciprocal Output data type mode: Same as first input Round integer calculations toward: Floor Output signal: Framebased 廣西大學課程設(shè)計 —— 基于 simulink 的 COFDM 系統(tǒng)仿真 11 Channel Compensation 內(nèi)部結(jié)構(gòu)圖 Input type: Matrix Index mode: Onebased Rows: [1:15,17:31] Number of input: 2 Output signal: Framebased Remove Zero 內(nèi)部結(jié)構(gòu)圖 Input type: Matrix Index mode: Onebased Rows: [1:15,17:31] QPSK Demapping 內(nèi)部結(jié)構(gòu)圖 Gain: Input type: Bit Constellation ordering: Gray Phase offset: pi / 4 Function: round N: 15 K:11 廣西大學課程設(shè)計 —— 基于 simulink 的 COFDM 系統(tǒng)仿真 12 SER Calculation 內(nèi)部結(jié)構(gòu)圖 Input type: Bit Constellation ordering: Gray Phase offset: pi / 4 Receive delay: 22 – before RS encoder 30 – after RS encoder Buffer size: 90 Buffer overlap: 0 Window type: Hann FFT length: 1024 Number of spectral averages: 16 Frequency range: [ Fs / 2 … Fs / 2] Samples per symbol: 1 Point displayed: 100
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