feedback equalizer造句
例句與造句
- The study on decision feedback equalizer based on channel estimation
基于信道估值的判決反饋均衡器研究 - The simulation result indicated the decision - feedback equalizer ( dfe ) had good adaptability to hf channel . the converaging behavior and tracking behavior of two kinds of the adaptive algorithm - lms algorithm and rls algorithm were analysized
分析了2大類(lèi)自適應(yīng)算法? ? lms和rls算法的收斂和跟蹤性能，仿真結(jié)果表明了rls算法具有良好的跟蹤和收斂性能。 - Comparison study between the constant modulus decision feedback equalizer ( dfe ) and several others is made on combating the frequency selective fading of uwac , and their tracking performance to time varying is also investigated
?針對(duì)水聲信道的頻率選擇性衰落，對(duì)比研究了常數(shù)模判決反饋盲均衡算法與其它幾種盲均衡算法的性能。針對(duì)水聲信道的時(shí)變特性，研究了該算法的跟蹤摘要性能。 - The matlab language and c language were applied to simulate the fixed - point dsp arithmetic of equalizer algorithm . the simulation result indicated the diveragence phenomenon would happen to adfe ( adaptive decision feedback equalizer ) based on rls algorithm under the fixed - point finite - precision arithmetic
采用matlab和c語(yǔ)言模擬均衡器定點(diǎn)dsp算法的實(shí)現(xiàn)，仿真結(jié)果表明rls算法的自適應(yīng)判決反饋均衡器( adfe )在定點(diǎn)有限字長(zhǎng)運(yùn)算的情況下存在著發(fā)散現(xiàn)象。 - The proposed algorithm outperforms blind linear equalizer ( le ) based on statistical equalization criterion in reducing the mse and compensating for the carrier phase rotation and blind linear decision feedback equalizer ( ldfe ) based on statistical equalization criterion in improving convergent speed
因此，該算法在減小均方誤差與補(bǔ)償相位旋轉(zhuǎn)方面的性能優(yōu)于基于統(tǒng)計(jì)特性均衡準(zhǔn)則的線性盲均衡算法；在收斂速度方面的性能優(yōu)于基于統(tǒng)計(jì)特性均衡準(zhǔn)則的線性判決反饋盲均衡算法。 - It's difficult to find feedback equalizer in a sentence. 用feedback equalizer造句挺難的
- Firstly , a new joint filterbank precoders and decision feedback equalizers structure is proposed , and the corresponding optimization result based on the maximal mutual information criterion is derived . secondly , the concept of dt canonical model is proposed , which is very suitable for the task of blind signal processing based on the second - order statistical of the observations . thirdly , the methods of blind equalization and identification of the tv dispersive channels are researched systematically based on the proposed dt canonical model , and a subspace blind identification algorithm of the time - invariant channel matrix is developed
本文創(chuàng)新性的成果在于：提出了預(yù)編碼-判決反饋聯(lián)合均衡系統(tǒng)結(jié)構(gòu)，并從理論推導(dǎo)得出了對(duì)應(yīng)的最大互信息量最優(yōu)化設(shè)計(jì)結(jié)果；首次提出了時(shí)變色散信道的離散正則模型概念，該模型適宜于利用觀察數(shù)據(jù)的二階統(tǒng)計(jì)量進(jìn)行盲信號(hào)處理；基于離散正則模型對(duì)時(shí)變色散信道進(jìn)行了系統(tǒng)的盲均衡和盲辨識(shí)方法研究，提出了對(duì)時(shí)不變信道矩陣的子空間盲辨識(shí)算法；針對(duì)誤差傳播效應(yīng)問(wèn)題，提出了可以消除誤差傳播效應(yīng)的兩級(jí)盲辨識(shí)算法；提出了基于離散正則模型的直接盲均衡算法；提出了基于特征恢復(fù)思想的神經(jīng)網(wǎng)絡(luò)直接自適應(yīng)盲均衡算法。 - In chapter 3 , based on the idea of joint equalization , we adopt the decision feedback equalizers to perform the second equalization to overcome the problem of filterbank precoders - linear equalizers joint optimization proposed recently , and get a new optimal result
在第三章中，基于聯(lián)合均衡的思想，針對(duì)國(guó)際上最新提出的濾波器組預(yù)編碼-線性均衡最優(yōu)設(shè)計(jì)中存在的問(wèn)題，文章提出了采用判決反饋均衡器完成二次摘要均衡，以消除殘留的塊間干擾，得到了新的最優(yōu)設(shè)計(jì)結(jié)果。 - For greatly overcoming the carrier phase rotation resulting from multipath underwater acoustic channel and large mean square error ( mse ) at convergent end of linear equalizer ( le ) based on higher order statistics , statistical equalization criterion based blind linear sign decision feedback equalizer ( lsdfe ) was proposed
摘要為了克服多途水聲信道引起信號(hào)的相位旋轉(zhuǎn)及基于高階統(tǒng)計(jì)量的線性均衡器( le )收斂后均方誤差大的不足，提出了基于統(tǒng)計(jì)特性均衡準(zhǔn)則的線性符號(hào)判決反饋盲均衡算法。 - In this chapter , cck codeword has been described . following this are the algorithm of cck receiver scheme , includeing maximum likelihood receiver under awgn channel - rake and rake - isi receiver based on the channel matched filter and decision feedback equalizer . chapter 5 is a report about the receivers performance simulations
在這一章中對(duì)cck調(diào)制及碼字的特點(diǎn)進(jìn)行詳細(xì)描述，隨后詳細(xì)闡述我們所采用的幾種cck接收機(jī)方案中的算法，包括加性噪聲信道下的最大似然接收機(jī)、基于信道匹配濾波器的rake接收機(jī)、帶isi刪除的rake接收機(jī)(即rake - isi ) 、帶isi和ici刪除的rake接收機(jī)(即rake - isi ici )以及判決反饋均衡器。 - We propose the joint filterbank precoders and decision feedback equalizers structure at first , by which the dispersive channel is equivallent into parallel independent flat fading subchannels such that the diversity gain of the receiver is increased . then we adopt the discrete - time ( dt ) canonical model to convert the problem of blind signal processing of tv dispersive channels into processing the time - invariant multi - channels model blindly , and discuss the problem of blind equalization and identification of tv dispersive channels based on this new model
第一種是采用濾波器組聯(lián)合均衡方法將色散信道等價(jià)為一組獨(dú)立的平坦衰落子信道，以提高接收機(jī)的分集增益；另外一種是提出采用離散正則模型將時(shí)變色散信道的盲信號(hào)處理轉(zhuǎn)化為時(shí)不變多信道模型的盲信號(hào)處理，并針對(duì)該模型對(duì)時(shí)變色散信道的盲均衡與盲辨識(shí)方法進(jìn)行了詳細(xì)討論。