求助高人指点,我仿真OFDM通信系统,调用FFTT IP核进行IFFT运算,输出数据实部和虚部为0,exp为不定态。
Altera FFT IP配置:
Transform
Length:64
Direction:Bit-directional
I/O
Data Flow:Streaming
Input Order:Natural
Output Order:Natural
Data and Twiddle
Representation:Block Floating Ponit
Data Input Width:16
Twiddle Width:16
Data Output Width:16
Latency Estimates
Calculation Latency:64
Throughput Latency:64
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