通用均衡器 的英文怎麼說
中文拼音 [tōngyòngjūnhéngqì]
通用均衡器
英文
universal equalizer- 通 : 通量詞(用於動作)
- 用 : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
- 均 : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
- 衡 : Ⅰ名詞1 (秤桿) the graduated arm of a steelyard2 (稱重量的器具) weighing apparatus3 (姓氏) a...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 通用 : be in common use; be current; apply or be used universally
- 均衡 : 1 (平衡的) balanced; proportionate; harmonious; even 2 (平衡) equilibrium; equilibration; equ...
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Company now have independence develop ten many china patent and many independence intellectual property ' s software copyright ' s product ; company major product : cable television consumer management control system ( but look for address 2 - 8 branches allot style, 8 - 32 gather line style ) ; shoot frequently plus unfasten harass system ( crowd plus crowd unfasten, cent two sections, point channel shan unfasten ) ; video frequency number subsections plus unfasten harass system ; cable television network burglarproof sow system ; number cable television product is with number mmds ( microwave ) systematically ; general purpose type prevent thunder supply electric appliances, shoot frequently automate supply electric appliances, but look for address control supply electric appliances ; power supply prevents thunder protection product ; pass flow branch, dispenser, split utensil, cavernous wave utensil, power supply inserts utensil, but transfer attenuator, but transfer equalizer wait for
目前擁有十多項中國專利和多個自主知識產權的軟體版權的產品;公司主要產品:有線電視用戶管理控制系統(可尋址2 - 8戶分支分配式、 8 - 32戶集線式) ;射頻加解擾系統(群加群解、分兩段、按頻道單解) ;視頻數字分段加解擾系統;有線電視網路防盜播系統;數字有線電視產品與數字mmds (微波)系統;通用型防雷供電器,射頻自動控制供電器,可尋址控制供電器;電源防雷保護產品;過流分支、分配器,分流器、陷波器、電源插入器,衰減器、均衡器等。A enhanced realization scheme of dvb - c is introduced by the simulation and comparation of some blind equalization algorithms
通過對各種盲均衡演算法的模擬與比較,提出了用於dvb - c系統的優化的均衡器實現方案。And i finished the layout design, chip test of line driver and equalizer in 2. 5gbps baseband copper cable transceiver and equalizer in the 1. 5gbps sata transceiver respectively. the main improvements and innovations in this thesis are as follows : 1 、 to design an analog equalizer tuned on - chip for 2. 5gbps baseband copper cable transceiver ; 2 、 to present an adaptive equalizer for 1000base - cx transceiver ; 3 、 to present an auto - gain control amplifier used in the adaptive equalizer for the 1000base - cx transceiver ; 4 、 to present an adaptive continuous - time gm - c filter in very high frequency for the adaptive equalizer for the 1000base - cx transceiver
論文主要的改進和創新有: 1 、設計了適用於2 . 5gbps基帶銅纜收發器系統片上可調的模擬均衡器電路; 2 、提出了一種新的適用於千兆以太網基帶銅纜收發器系統的自適應均衡器結構; 3 、設計了甚高頻自動增益控制放大器; 4 、設計了一種適用於千兆以太網基帶銅纜接收器均衡的自適應甚高頻連續時間gm - c二階帶通濾波器。This text has analysed load balancing method of existent especially lvs cluster system and recommended the net packet and netfilter ’ s frame structures in the linux operating system ; it has compared the cooperative - type - cluster with tradictional cluster in the net packets ’ queue ways and with active cluster in the load balancing dispatcher way, which has reflected the superiority of cooperation type cluster ; the three major parts of the cooperative - type - cluster have been designed and realized in this text, which includes sync packets ’ priority service for dmcs 、 “ priority and avoid sudden load unbalance ” dispatch way at the cooperation of nodal servers and director and active nodal server which ensure cluster normally running when cluster join or rduce node server ; the cooperative - type - cluster ’ s control frame controlled by homepage has been constructed ; the mulit - services cluster system has been realized ; this text has used the existing server pressure testing tools to test the cooperative - type - cluster and lvs cluster, then has comparaed and analysed the two
本文分析了現有服務器集群特別是lvs集群系統的負載均衡方法,介紹了linux系統下的報文和netfilter的框架結構;將所提出的合作式集群與傳統集群在報文排隊方式上進行比較,與主動式集群在負載均衡調度方式上進行比較,體現了合作式集群的優越性;設計並實現了合作式集群體系結構的三大部分:針對分散式測控系統的加權服務、負載均衡器與節點服務器合作式「加權防突」負載調度、保證集群運行不受加減節點干擾的主動性真實服務器;構建了通過網頁界面控制合作式集群的控制框架;實現了一個可運行的合作式多服務集群系統,運用現有服務器壓力測試工具對合作式集群和lvs集群進行負載測試,並對測試結果進行比較分析,同時通過壓力測試實現加權服務。First of all, the characteristics of different adaptive algorithms and equalizers are theoretically researched. then digital microwave communication system model is build by simulink. based on this model, the convergent behavior and bit error rate performance of three equalizers ( nlms, kalman and rls ) are compared in multi - path fading channel
為了達到這個目的,首先需要從理論上對各種自適應均衡演算法以及自適應均衡器的特性進行深入研究;然後利用simulink建立接近實際環境的數字微波通信系統,在多徑衰減通道環境下比較了三種基帶均衡器( nlms , kalman和rls )的收斂特性以及系統誤碼特性,並比較了nlms基帶均衡器和通帶均衡器的性能。The following algorithms have been proposed and tested in the thesis : 1 frequency selective fading : combine the isomorphism between the input space and the output space and propose a new approach to blind equalization of the channel. compared with conventional methods, the new approach offers lower computational complexity, better performance, and more robust against the over - determination of the system order ; 2 time selective fading : a new approach to the equalization of time selective channel based on the zero - forced equalizer is proposed which is more simple in its structure of algorithm ; 3 time - varying channel : using the instantaneous mean value changes of the output signal to extract the information of channel variations and model it using ar model, kalman filter is then employed to track channel variations, it bears faster ability in tracking the variation of tv channels ; based on the isomorphism between the inputs and the outputs and some of the approaches using in mimo system, a new algorithm of equalization of simo time - varying channel is proposed, which also share the merits of being robust against the over - determination of the system order ; model the time - varying channel using the multi - resolution decomposition wavelets, and then a blind identification method based " on the model is proposed ; at last, a new model for equalization and identification of mimo system is proposed
主要工作在以下幾個方面: 1 、針對頻率選擇性衰落通道:結合輸入輸出空間同構關系提出一種新的頻率選擇性通道均衡方法,與傳統方法相比,該方法計算量更小,收斂速度更快,性能更優,且對系統階次的過確定表現穩健,具有實際均衡應用價值; 2 、針對時間選擇性衰落通道:提出一種基於迫零均衡的時間選擇性通道均衡方法,演算法結構簡單; 3 、針對時變色散通道:利用瞬態均值曲線提取通道時變信息,對之ar建模,利用卡爾曼濾波器跟蹤時變通道抽頭變化,可以快速跟蹤通道變化;基於輸入輸出空間之間的同構關系以及多輸入多輸出系統的處理方法,提出了新的單輸入多輸出色散時變通道均衡與識別演算法,同樣具有對通道階次過確定保持穩健的優點;結合小波多解析度分析提出一種基於小波模型的通道盲識別演算法;研究時變的多輸入多輸出系統的盲均衡與盲反卷積問題,給出一種時變系統處理模型。In this paper, consulting the idea of software radio and using the three important theories of maximum mean power estimate ( mmpe ) for symbol synchronization algorithm, the kalman decision - feedback equalization ( dfe ) algorithm and the decision - feedback phase lock loop ( dfpll ) algorithm, a kind of low frequency digital demodulate scheme over high - frequency ( hf ) radio channels for 8psk signial is realized
本文利用軟體無線電的思想,提出了一種hf通道8psk信號低頻采樣數字化解調方案。討論了實現該方案的三個核心演算法:最大平均功率定時同步演算法、判決反饋式鎖相環和卡爾曼均衡器,分析它們的基本理論,並進行了性能測試。Thus, it can ensure no cancellation of the desired signal when minimizing the cm cost function to suppress interference. in this paper, delay - hypothesized matched filter based on minimum kurtosis criterion is used to initialize code - constrained cma
通過對均衡器的權向量增加約束,使其在迭代更新最小化代價函數時,能在有效抑制干擾的同時保證期望用戶信號不被抑制。Research of adaptive spatio - temporal dfe with embedded dpll in high - speed underwater digital communication
內嵌數字鎖相環的自適應空時聯合均衡器在水下高速數字通信中的應用研究While the all - pass network for equalizing improves the precision of signal transmission. at last the circuitry realization ? some test data and trouble shooting are presented. the measure results are much better than the product of the other institute
下變頻系統的群延遲均衡器,採用全通網路電路來實現,採用ansoft的serenade軟體對其進行模擬與優化,該設計提高了系統傳輸信號的準確度。Based on that and the actual request, the thesis focuses on two ways of frequency synthesis : phase - loop locked and phase - loop locked + direct digital synthesis. then it introduces the concepts of group - delay and all - pass network, analyzes the theory of equalizing the group - delay of filter by all - pass network, simulates the design and sums up a perfect designing and debugging precept
中頻群延遲的均衡通過全通網路來實現,文中給出了信號傳輸中群延遲的概念以及全通網路的概念,詳細分析了全通網路用作群延遲均衡器的設計原理,並對設計進行了計算機模擬,給出了滿足要求的設計方案。Channel equalization theory is presented in detail, together with adaptive equalization and blind equalization techniques. then, one of the most important measures on the performance of equalizers is introduced in the thesis
論文詳細介紹了通道均衡原理,概要地敘述了自適應均衡,並且著重闡述了盲均衡,介紹了兩種常用的線性濾波器結構,給出了評判均衡器工作性能的重要指標。The content host sends the file to the load balancer, which routes it through the enterprise s gateway across the internet and back to the client browser
內容主機將用戶請求的文件發送到負載均衡器,負載均衡器路由文件通過企業網關,經由internet返回到客戶端瀏覽器。In order to reducing isi recovering transmitted signal equalizer have to be used in the reciever. because blind channel equalizer can reduce the intersymbol interference without the assistance of the transmitted sequence, it has been becoming a very popular research topic in recent years
盲均衡器由於不需要訓練序列,僅利用接收信號的統計特性就能對通道特性進行均衡,消除碼間串擾,成為近年來通信領域研究的熱點課題。It is based on the mean square error ( mse ) principle and we prove the validity of the method by computer simulations. to make a thorough understanding of mimo adaptive equalization system, in this thesis the author : 1 ) ananlyze the characteristics of mimo wideband channels and the modeling and simulation of 3gpp scm ; 2 ) research the capability of mimo linear adaptive equalization and mimo non - linear adaptive equalization by computer simulations ; 3 ) present a new method for selecting the order of adfe model 4 ) implement the adfe on adsp - 21160 for static image transmission, and already achieve satisfactory experimental result, which make a foundation for mimo adaptive equalization to be appllied in the real communication systems
為對mimo自適應均衡系統性能和設計做更深入的理解和研究,本文主要: 1 )研究了寬帶選擇衰落通道特性及3gppscm通道建模模擬; 2 ) mimo線性自適應均衡器和mimo非線性自適應均衡器系統的性能分析和模擬實現; 3 ) mimo系統下的判決反饋均衡器的階數選擇模擬試驗分析; 4 )把mimo自適應判決反饋均衡運用到了硬體模擬平臺上,採用了基於adsp - 21160的硬體dsp開發板,對靜止圖片的傳輸進行了試驗、分析和比較,得到了較滿意的實驗結果,使mimo自適應均衡在實際通信系統上的應用及實現奠定了現實基礎。And the fractionally spaced equalizers ( fse ' s ) are also presented in this thesis through comparing the performances of fse ' s and the common baud spaced equalizers. the computer simulations show that the fse ' s are especially suitable to the underwater acoustic channel with low snrs
文章通過計算機模擬,對比了分數間隔均衡器和普通的波特間隔均衡器的性能特點,並且發現當水聲通道噪聲較強時,特別適合於採用分數間隔均衡器。The proposed algorithm lows the complexity by choosing decision delay in advance and then making solution of the equalizer tap coefficient, a new decision delay choice method is proposed, solution by using weight method, diagonal matrix transform, z extension and a new energy restrictive condition which restrains noise enhance, a new decision delay choice method is proposed, the simulation result shows that the proposed algorithm has better equalization effect and enhanced performance comparing to the general mmse algorithm, simulation research on the precision and dynamic scope of parameters in digital realization time domain equalization algorithm, design software and hardware of time domain equalizer. fourthly, there exist a lot of interfere in dsl line, especially, dsl works in multi - user mode, the near end interference is serious
通過先選擇判決時延,再進行時域均衡器抽頭系數求解的方法降低了時域均衡計算復雜度;對于均衡器抽頭系數的求解使用了加權技術,通過對角矩陣變換, z擴展,使用不同的能量約束條件對演算法求解,結果表明這種約束有效的抑制了噪聲增強,與常用刪se比較,該演算法有更佳的均衡效果,演算法性能得到了提高:論文還對數字化實現時域均衡演算法中每一部分參數的精度、變量的動態范圍進行了模擬研究,對時域均衡的軟硬體實現進行了設計。From simulation results, we get the following main conclusions : 1 ) the convergence performance can be improved with the ist - tap initialization strategy for the underwater acoustic channel established in this paper. 2 ) both the convergence rate and the steady - state value of the average squared error should be taken into account when choosing the step - size
得到的主要結論為:對于本文所建立的水聲多徑通道,盲均衡演算法採用第一個抽頭初始化方案其收斂性能較好;選取迭代步長時要兼顧收斂速度和穩態誤差;在保證收斂性能的基礎上,可選擇階數較小的均衡器。3. comparing several adaptive equalizers and using the combined dfe / mlse equalizer based on predicted signal to compensate the rss channel. simulation results suggest that the dfe / mlse is greater than dfe and le in performance and is simpler than mlse - va in complexity
3 .比較了幾種自適應均衡器的優缺點,提出採用基於預測信號的自適應組合判決反饋均衡器/最大似然序列估計器( dfe / mlse )來補償再入遙測通道。An emerging framework for developing scalable soap - based web services favors a web architecture with many small servers that are accessed through a load balancer, providing a front - end to a powerful database server. the framework for building soap - based web services in java uses these components see
新出現的用於開發可擴展的、基於soap的web服務的框架有利於那種帶有許多小服務器的web體系結構,而這些小服務器通過負載均衡器才可被訪問,這個框架向強大的數據庫服務器提供了一個前端。分享友人