ID |
原文 |
译文 |
21095 |
鉴于此,为降低运算复杂度,首先将大点数FFT分解成若干个小点数基2k 级联子级实现,提出分别针对128/256/512/1024/2048点FFT的优化混合基算法。 |
To address these issues, a serial of mixed-radix algorithms for 128/256/512/1024/2048-point FFT are proposed by decomposing long FFT into short implementations with cascaded radix-2k stages so that the complexity of multiplications can be significantly reduced. |
21096 |
同时,结合所提出同时支持单通道单精度和双通道半精度两种浮点模式的新型融合加减与点乘运算单元,首次提出一款高吞吐率双模浮点可变点FFT处理器结构,并在28 nm标准CMOS工艺下进行设计并实现。 |
Besides, two novel fused FP add-subtract and dot-product units for dual-modefunctionality are proposed, which can either compute on a pair of double precision operands or on two pairs ofsingle precision operands in parallel. Thus, a high throughput dual-mode floating-point variable length FFT isdesigned. The proposed processor is implemented based on SMIC 28 nm CMOS technology. |
21097 |
实验结果表明,单通道单精度和双通道半精度浮点两种模式下的运算吞吐率和输出平均信号量化噪声比分别为3.478 GSample/s, 135 dB和6.957 GSample/s, 60 dB。 |
Simulation results show that the throughput and Signal-to-Quantization Noise Ratio (SQNR) in single-channel single precision and dual-channel half precision floating-point mode are 3.478 GSample/s, 135 dB and 6.957 GSample/s, 60 dB respectively. |
21098 |
归一化吞吐率面积比相比于现有其他浮点FFT实现可提高约12倍。 |
Compare to the other FP FFT, this processor can achieve 12 times improvement of normalized throughput-area ratio. |
21099 |
该文针对同步压缩S变换(SSST)在混合噪声下的失真问题,提出一种新型稳健性广义同步压缩S变换(GSST)。 |
A new robust Generalized Synchro squeezing S-Transform(GSST) is proposed to solve the distortion problem of SynchroSqueezing S-Transform(SSST) in mixture noise. |
21100 |
该方法首先改进Viterbi算法以提高S变换在混合噪声下的时频分析性能, |
Firstly, the method improves the Viterbi algorithm for improving the Time-Frequency(TF) analysis performance of S-transform in alpha-gaussian mixture noise. |
21101 |
在获取调频(FM)信号的相位轨迹信息后,利用同步压缩技术提高时频聚集性。 |
After acquiring the phase locus information of the FM signal, the synchrosqueezing is used toimprove the time-frequency aggregation. |
21102 |
仿真实验表明,在a-高斯混合噪声环境下,该方法能够在低信噪比下精确获取FM信号的时频信息,有效改善了传统同步压缩算法的稳健性和适用性。 |
The simulation results show that the proposed method can accuratelyobtain the time-frequency information of FM signal under the background of Alpha-Gaussian mixture noise inlow SNR, and has a better robustness and applicability than the SST. |
21103 |
色度扩展视频编码是当前视频编码领域的一个热点研究课题。 |
Chroma extensions video coding is a hot topic in the field of video coding. |
21104 |
该文提出基于AVS2平台的色度扩展视频帧内编码的实现方案。 |
Chroma extensions videocoding scheme based on AVS2 platform is proposed. |