| 1. | In the third part , gives a new fft algorithm for realization ofdm modulation in fpga 第三部分为在的现场可编程逻辑门阵列( fpga )上实现ofdm调制模块。 |
| 2. | Experiment result shows that the board has realtime performance for plate recognition and fft algorithm and is good for application 最后给出的实验结果是满意的,能够达到实时的性能,显示出其应用的价值。 |
| 3. | Longing to solving some of those problems , we took some new ideas . we reduce the error of fft algorithm by using the proper floating format chip 论文围绕如何提高fft运算的实时性和准确性两大问题,探讨了在测量硬件和软件方面的改进方法。 |
| 4. | Radix 2 fft algorithms is analyzed , and fixed geometry configuration and blocking floating format of data is used to implement 256 points 12 bit complex numbers fft 并在分析了基2fft算法的基础上,采用固定几何结构和块浮点数据格式,实现了256点12位复数点的fft运算。 |
| 5. | After coming into 70 ' s , microcomputers have been used more and more popular , especially fft algorithm introduced , which made vibration testing and analysis technique enter a new stage 进入70年代以后,微型计算机的普遍推广应用,特别是fft算法的引入,使得振动测试分析技术进入了新时期。 |
| 6. | Dft method can be fast implemented on dsp platform by the use of fft algorithm , while the method of cyclic correlation has better noise immunity performance and high estimation accuracy 离散傅立叶变换方法能够在dsp平台上通过fft快速实现,而循环相关方法则具有很高的频率估计精度和很好的抗噪性能。 |
| 7. | Scheme iii . a system combining fft algorithm with chirp - z transform to detect feedback rapidly and accurately . then , adopting a filter bank composed of 12 iir narrow - band notch filters to eliminate feedback 采用chirp - z变换( czt )算法与fft算法相结合对声反馈进行检测,使用由12个iir窄带陷波器构成的滤波器组对声反馈进行抑制。 |
| 8. | Ar model algorithm and fft algorithm for resolving power spectrum is compared as well . it shows that ar model algorithm is better than fft method . analyzing 15 minute hrv ( sit ) of 23 healthy persons by using ar and fft method 对23例正常人(坐姿) 15分钟hrv信号分别采用fft和现代谱估计得到的功率谱进行统计,发现两种方法所得vlf 、 lf 、 hf基本吻合(相同性别相应年龄段) 。 |
| 9. | After consulting many literature and papers , the system adopts fft algorithm to do harmonic analysis with the thought of vlsi design technique . besides , the module can communicate with dsp by two modes : parallel and serial 本设计方案中,对汇流条进行电能质量监测,是在参阅国内外大量文献资料的基础上,学习并采用vlsi的设计和管理思想,提出应用fpga技术使用fft运算进行谐波分析的方案。 |
| 10. | Employing the dsp technology , we can carry out the real - time fft algorithm , which is the kernel in ofdm technology . with the developing of dsp and vlsi technology , ofdm develops rapidly and becomes a promising high - speed signal transmission technology in practical applications 随着dsp和超大规模集成电路( vlsi )技术的发展, ofdm的应用有了长足的进步,成为极有发展前途和应用前景的高速数据传输技术。 |