ifft

This paper presents a new fast algorithm of wavelet moment based on IFFT .

该文在小波矩和快速傅立叶逆变换方法的基础上提出了一种基于IFFT的小波矩的快速算法。

One is target extract algorithm based on IFFT .

一种是基于IFFT目标距离信息提取算法，并进行了仿真和实测数据的验证。

Refining of Internal Combustion Engine Transient Speed Using IFFT Method

应用逆傅利叶变换进行内燃机瞬时转速信号提纯

By comparison , thesis choose target extract algorithm based on IFFT for real system .

经分析、比较选择基于IFFT目标距离信息提取算法完成实际系统距离信息的提取。

A Fast Algorithm of Wavelet Moment Based on IFFT

一种基于IFFT的小波矩的快速算法

OFDM modulation system mainly includes constellation mapping , IFFT translation .

OFDM调制系统主要包括星座映射、IFFT变换等部分。

FFT and IFFT are used to speed up the signal acquisition .

这种算法利用FFT和IFFT技术加快了捕获速度；

Designing Pipeline FFT ( IFFT ) Processor for OFDM System

OFDM系统中流水线型FFT（IFFT）处理器设计

The Effect Study of IFFT Step of MMW Step Frequency Seekers on Moving Target Identification

IFFT步长对步进频率毫米波导引头动目标辨识的影响研究

The Front-End Design of an IFFT / FFT Processor for UWB Applications

应用于超宽带的IFFT/FFT处理器的前端设计

Improved IFFT algorithm to reduce complexity of SLM

降低SLM计算复杂度的傅里叶改进算法

Calculation of Roundness Error Using FFT and IFFT

用FFT和IFFT计算圆度误差

A novel architecture is proposed to implement FFT / IFFT processor with CPLD devices .

本文提出了一种新颖的FFT/IFFT处理器结构，并用可编程逻辑器件（CPLD）实现了该结构。

Design of A Novel FFT / IFFT Processor for IEEE 802.11a

一个符合IEEE802.11a标准的新颖FFT/IFFT处理器设计

A New Loran C Sky-Wave and Ground-Wave Identification Algorithm Based on IFFT Spectral Division

基于IFFT频谱相除的罗兰C天地波识别新算法

Study on the FPGA realization of a self-defined floating-point FFT / IFFT processor

自定制浮点FFT/IFFT处理器的FPGA实现研究

OFDM is realized by IFFT and coherent demodulation is by FFT .

OFDM其产生和相关解调是通过快速傅立叶反变换与傅立叶变换（IFFT和FFT）实现的。

Complement the FPGA design and validation of the 3780-point IFFT OFDM module .

完成了3780点IFFTOFDM的FPGA设计和验证。

On the other hand , OFDM use IFFT to produce orthogonal sub-carriers , high rate signal processing technology is very important .

同时，OFDM采用IFFT来产生频谱正交的子载波，高速的数字信号处理技术是OFDM技术实用化的前提。

A new Algorithm for Sky-Wave and Ground-Wave Detection of Loran C Based on FFT / IFFT Technology

一种基于FFT/IFFT技术的罗兰C天地波识别新算法

Talking about the orthogonality of OFDM and explaining realization principle of OFDM system based on IFFT / FFT .

对正交频分复用信号的正交性进行了讨论，给出了OFDM系统基于IFFT／FFT的实现原理。

Finally , the response , of a rectangular cavity with a small aperture to a typical electromagnetic pulse is calculated using IFFT .

采用快速逆Fourler变换求得了开孔矩形腔体对典型电磁脉冲的响应。

A FFT / IFFT Processor for MB-OFDM UWB Applications

一种应用于多带正交频分复用超宽带的IFFT/FFT处理器

As the circuit is derived fron single frequency excitation , arbitrary temporal response can be calculated by means of IFFT algorithm .

由于电路是由单频情况导出，故任意时间响应可通过IFFT算法得到。

In the scheme , the inverse fast Fourier trans form ( IFFT ) is used as a way of inverse multiplexing .

在这个方案中，IFFT的作用可以看作是反向复用。

Thirdly the phase-related spectrum is transformed to phase-related function with IFFT .

经过对相位相关谱进行IFFT运算获得相位相关函数；

A High-Efficient DIT-DHT-Based FFT / IFFT Structure for OFDM / DMT

OFDM/DMT中一种基于DIT-DHT的高效率FFT/IFFT结构

The 1024 points complex FFT ( or IFFT ) could be calculated in 519 μ s by 4 units array FFT processor .

采用4个单元的FFT阵列处理器可以使1024点的复数FFT（或IFFT）在519μS内完成。

Next we derive the principle of high range resolution profile in view of IFFT in detail , which is simulated by ADS & MATLAB .

详细推导了基于逆傅立叶变换的高分辨距离成像原理，并且通过ADS和MATLAB进行了联合仿真。

OFDM can be realized through FFT / IFFT , and be made flexible , changeable and satisfactory with business requirement in radio communication .

OFDM能用FFT/IFFT来实现，灵活多变，因而能够满足无线通信系统中的业务要求。