equalization adaptive 中文意思是什麼

equalization adaptive 解釋
自適應等化
  • equalization : n. 相等;均等;平均。 equalization of landownership 平均地權。
  • adaptive : adj. 適合的,適應的。
  1. Secondly, on the adjustment of color, the processing from rgb color space to hsi color space can strengthen the information structure, and reduce the loss of color information. then, in hsi space, the method based on adaptive histogram equalization ( ahe ) is introduced to adjust the saturation and intensity. and then, the contrast is regulated further

    第二,在色彩調整方面,將圖像從rgb空間轉換到hsi空間中進行處理,這樣使得圖像的信息結構更加緊湊,並減少了顏色信息的丟失;在hsi空間中,採用自適應直方圖均衡( ahe )方法實現了圖像飽和度和亮度的調整,並進一步修正了圖像的對比度。
  2. Adaptive fractionally spaced equalization algorithm for shallow water acoustic channels

    一種淺海水聲通道分數間隔自適應均衡演算法研究
  3. In addition, we proposed an adaptive histogram equalization method with variant window size over each pixel. this method produces more appropriate window size for each pixel than others

    與已有的方法相比,由該方法生成的窗口大小能較靈活地適應了圖像中不同區域的灰度分佈,取得了較好的結果。
  4. In order to achieve high data rates on the severely band - limited underwater acoustic ( uwa ) channels, bandwidth - efficient modulation techniques must be employed, together with some sophisticated signal processing algorithms, such as adaptive equalization technique for the intersymbol interference caused by channel multipath propagation

    在帶寬嚴重受限的水聲通道中實現高數據率通信,必須使用高帶寬利用率調制技術,並結合自適應均衡等技術以有效地克服通道多途傳播產生的符號間干擾。
  5. Adaptive equalization technology has been regarded as a potential candidate to combat isi for future wireless communications

    在新一代無線通信系統中,自適應均衡技術,被認為是最有可能採用克服碼間干擾的方案。
  6. However, adaptive equalization technique can decrease the effect of isi and noise, reduce the bit error ratio and trace time - changing channel

    而自適應均衡技術可以降低碼間干擾和噪聲的影響,減少誤碼,並能夠跟蹤時變通道,解決時變波形的嚴重失真問題。
  7. This paper mainly discusses the design principles and chief techniques of a digital accessing system for power - line communication net ( plcn ). the technology of low bit rate speech compression high - speed modem based on plcn adaptive equalization to the channel anti - jamming and anti - fading are applied in this system. so speech tele - control data and tele - protection signals can be transmitted high quality in the band - limited channel

    該系統綜合應用了低比特率語音信號壓縮編碼技術、基於電力通信網的高速調制解調技術、信號傳輸的通道自適應均衡技術和抗干擾、抗衰減技術,可在帶限通道中高質量的傳輸語音、遠動數據和遠方保護等信號,具有較高的整體性能。
  8. Finally, a new approach combining equalization and adaptive equalization with ldpc decoding are proposed to combat the intersymbol interference ( isi ) and channel noise

    最後,針對噪聲干擾和碼間串擾問題,研究了ldpc碼組合均衡技術以及組合自適應均衡技術。
  9. To overcome the defect of the adaptive equalizers, this thesis deal with the technique of the blind equalization that need not the training period

    針對傳統的通道均衡技術的缺陷,本論文研究了不需要訓練碼就能直接進行通道均衡的盲均衡技術。
  10. 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。
  11. 2. introduced the adaptive equalization technique into the rss system

    2 .將自適應均衡技術引入到再入遙測系統中。
  12. Frequency - domain equalization. at the same time discusses some key problems in ofdm : high ratio of peak - to - average power of output signals, problem of synchronization, channel estimation, adaptive bit, power and subcarrier allocation. emphasize on channel estimation, and present a new algorithm which can filtering more interpolation errors and noise. for the sake of improve the performance of resist narrowband noise and make efficient use of the spectrum apply malvar wavelet division

    同時就ofdm系統中的一些關鍵問題如峰值平均功率比( papr )太高,同步問題,通道估計,通道、比特與功率必須動態分配進行了研究,著重研究了通道估計問題並提出一種改進的方法,能濾除更多的噪聲分量和插值誤差,提高系統的性能;為了提高抗窄帶噪聲的性能和提高通道利用率,用malvar小波變換實現了不等帶寬分配。
  13. 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。
  14. With the rapid development of the radio communications, adaptive equalization techniques become the study focus of many engineers

    隨著無線通信的迅猛發展,自適應均衡技術的研究再次成為人們關注的研究課題。
  15. With the development of dsp chip techniques and the introduction of some mature techniques, such as fft / ifft, the application of 64 / 128 / 256 qam in high - speed modem, tcm, adaptive channel equalization, the insertion of guard interval and so on, people are starting to focus on the application of ofdm in the field of mobile communications

    隨著dsp晶元技術的發展,傅立葉變換反變換、高速modem採用的64 128 256qam技術、柵格編碼技術、軟判決技術、通道自適應技術、插入保護時段、減少均衡計算量等成熟技術的逐步引入,人們開始集中越來越多的精力開發ofdm技術在移動通信領域的應用。
  16. In term of the orthogonal property of alamouti scheme and the character of the ofdm system equivalent model expression of receiver signal for stbc - ofdm system was obtained by flexible transform method so that the inverse of matrix was avoided using direct - decision mode and the complexity of computation and receiver was decreased. the simulation results show the validity and efficiency of the proposed receiver. ( 6 ) an adaptive equalization algorithm used in space - time block coded ofdm ( stbc - ofdm ) system with alamou

    該演算法充分利用了alamouti編碼的正交特性和多發射天線ofdm系統特點,通過靈活的變換對接收信號進行等價的表示;通過對11矩陣求逆的研究,將塊最小二乘遞推演算法( brl )中的zkxzk的矩陣求逆分解為k個2x2矩陣的求逆,從而降低了自適應演算法的運算量和接收機的復雜度。
  17. To attain reliable high data rate transmission over uwa channels, phase - coherent technology and adaptive equalization technology are selected as major research issue. the main content in this paper are as follows : 1. a11 kinds of linear and nonlinear adaptive equalization and typical arithmetic are studied elaborately

    本文以克服多途干擾這一主要矛盾,實現高數據率、高可靠性的水聲通信為出發點,以相位相干調制和自適應均衡等技術為主要研究內容,所做的工作主要如下幾個方面: 1
  18. On the adaptive active contour model based on distance equalization

    基於距離均衡化的自適應性動態輪廓模型
  19. The principle and characteristics of ofdm system are introduced first. then several key technologies of channel estimation and equalization for ofdm are discussed in detail, including pilot signal based channel estimation methods, cyclic prefix based channel estimation method, frequency domain adaptive filtering method and time domain equalization method for long channel impulse. the corresponding comparison and simulations are also provided

    文中討論了利用導頻信號的通道估計方法,利用循環前綴進行通道估計的方法, ofdm信號均衡中自適應濾波技術,及通道沖擊響應長于循環前綴時利用時域均衡減少解調器輸入信號拖尾長度的方法,分析了這些方法的原理,並通過計算機模擬驗證了這些方法的性能。
  20. Because the search procedure will be adjusted according to the previous result, the method not only speeds up the random search but also balances the global and local demands ( adaptive equalization )

    因為在搜索過程中會根據搜索中間結果進行調整,所以此方法不僅可以加快搜索速度,而且可以平衡全局和局部搜索需求。
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