subband 中文意思是什麼

subband 解釋
次能帶；部分波段
  1. The focus is placed on the investigation of the standard of the encoding algorithm for mpeg audio layer iii, and the analysis of the major four modules in the compression algorithm, including encoding of subband filter bank, psychoacoustics model, quantification and huffman coding, frame packing

    重點研究了mpeg音頻第層編碼的演算法標準。詳細分析了壓縮演算法中的四個主要功能模塊：子帶濾波器組編碼，心理聲學模型，比特流量化與霍夫曼編碼，幀數據流格式化。
  2. The project uses for reference the algorithm thought of sbc ( subband coding ) to measure off the audio to the corresponding frequency width and encode it by the different sensitivity of human hearing, which results in the lower coding rate and bearable voice quality. the algorithm processing low bit - rate audio is designed to be self - adaptive by the situation of network. the component developped by that algorithm and project has already been used in the realtime interactive educational system

    該方案借鑒sbc （ subbandcoding ）子帶編碼演算法思想，將音頻按對人聽覺敏感程度不同劃分為相應的頻帶並進行相應的編碼，從而得到較低的編碼率和較好的語音質量，設計了可根據網路狀況進行自適應的低帶寬音頻處理演算法。
  3. In this paper, the subband structure in the inversion layer is constructed by solving the self - consistent schr ? dinger equation, thus the carrier effective mass and scattering rate can be obtained. furthermore, taking account for the carrier density in each subband, we establish carrier mobility model in strained - si mosfet

    本文通過求解自洽薛定諤方程，確定了應變硅mosfet反型層的子能帶結構，在此基礎上經進一步計算得到子能帶內載流子的有效質量和散射幾率，綜合考慮各子能帶上的載流子的濃度分佈，建立了應變硅mosfet載流子遷移率的解析模型。
  4. Image code is a developing field on image compress and a lot of methods on that has now generated, such as statistic code, predict code, transform code, subband code, model code, wavelet transform code, vector quantization code, neural networks code, fractal code etc. in this thesis, we mainly describe our work on vector quantization code and wavelet transform code on image compress

    常見的圖像壓縮編碼方法有：統計編碼，預測編碼，變換編碼，子帶編碼，模型基編碼，小波變換編碼，矢量量化編碼，神經網路編碼，分形編碼等。本文以矢量量化壓縮編碼和小波變換壓縮編碼這兩種圖像壓縮編碼方法為主要研究對象。
  5. Image code is a developing field on image compression and a lot of methods on that has now generated, such as predict code, transform code, statistic code, subband code, fractal code, model code, vector quantization code, neural networks code, wavelet transform code, etc. in this paper, we set focus on the wavelet transform code

    常見的主要編碼方法有預測編碼，變換編碼，統計編碼，子帶編碼，分形編碼、模型編碼、矢量量化編碼，神經網路編碼，小波變換編碼等等。本文主要研究基於小波變換的圖像編碼方法。
  6. Wavelet subband coding method has advanced considerably in 2d image compression. many effective embedded wavelet image coding methods have already emerged. we improve the spiht algorithm by expanding the coding method used for gray image to color image of the video

    本文對已有的spiht演算法進行改進，充分利用其空間方向樹能夠高效組織小波系數的優勢，將其由針對灰度圖像的編碼方法擴展為對視頻序列彩色圖像的壓縮。
  7. Influence of strain on subband structure is described by a factor dk, which is the phonon induced band deformation potential extracted from experiment data. in strained si conduction band, the value of dk is 2. 4 times larger than its si counterpart

    在該模型中，應力對子能帶結構的影響通過聲子的形變勢能dk表示， dk為經實驗修正得到的經驗參數，在應變硅導帶中，其值是體硅材料形變勢能的2 . 4倍。
  8. It ' s reviewed for the coefficient classification of existing wavelet image encoding technologies. wavelet coefficient is clustered with gray structuring elements dilation and outputted in the form of fractional bit plane according to the different significance. zero tree structure is used to employ cross - subband dependency to promote the coding effort

    在對現有的小波編碼器對系數的分類方法的分析下，通過灰度結構元的形態學膨脹運算對小波系數進行更細的聚類分析，按照重要性的不同以分數比特平面的形式輸出系數，通過零樹結構開發帶間相關性。
  9. In the broadband incoherent beamspace high resolution method, the outputs of mvdr beamformers are used to suppress the interference from outside the beam coverage region in each subband. computer simulation results show good performance at low signal to noise ratio ( snr )

    該方法克服了基於預成恆定束寬波束輸出的寬帶相干高分辨處理方法不能有效抑制波束區域之外強于擾的不足，模擬結果表明該方法在低信噪比具有良好的性能c
  10. This thesis introduces a motion compensated 3d wavelet scalable video coding system. and three key techniques of the coding system have been thoroughly researched, namely mc temporal filtering, 3d wavelet transform structure and 3d wavelet subband coding. firstly, traditional wavelet transform theory and wavelet lifting scheme are illustrated

    本文在對運動補償三維小波可擴展視頻編碼框架進行分析的基礎上，對該框架涉及的三個關鍵技術，即運動補償時域濾波、三維小波變換結構以及三維小波子帶編碼進行了深入研究。
  11. A scalable image compression scheme based on integer - to - integer wavelet transform and subband bit - plane coding

    可逆線性變換的整型化及其應用
  12. In construct to current schemes proposed so far which either operate on a subband or a block base, the scheme in this thesis is based on pixel

    不同於現有dwt演算法基於一個子帶或者基於塊來操作，本文的演算法是基於象素的。
  13. Abstract : this paper introduces a new compression technique ： subband coding and wavelet transforms ， and discusses the fast algorithm of wavelet transforms

    文摘:介紹了新的壓縮技術子帶編碼和小波變換，並討論了計算小波變換的快速演算法。
  14. Comparative experiments also show that the choice of bit allocation strategies has serious influence on the performance of the 3d subband video compression

    對比實驗還表明，比特分配策略的選擇將嚴重地影響子帶分級編碼系統的壓縮性能。
  15. The original image is transformed by wavelet transforming, and the watermark is embedded in the selected detail subband according to neighboring symbols average value

    原始載體圖像經小波變換后，根據鄰近特徵平均值將水印嵌入到小波域中所選擇的細節子帶上。
  16. Predictive coding based on the grads of neighbor coefficient is proposed to encode ll subband because ll subband occupied a majority of energy of transform coefficient

    由於ll子帶占據變換系數的大部分能量，提出一種基於鄰域系數的梯度的預測編碼單獨編碼ll子帶。
  17. The experimental results show that, compared with the method of subband finite state scalar quantization, both of the two wavelet coding methods can achieve better coding performance

    實驗結果表明，與有限狀態標量量化方法相比，這兩種小波編碼方法均能獲得較好的編碼性能。
  18. In the end, based on the analysis of the noise robustness of each subband, a robust recognition algorithm was presented and it could increase the accuracy of recognition in

    最後，本文在分析各個mel子帶抗噪性能的基礎上，提出了魯棒性的說話人識別演算法，提高了說話人識別系統在噪聲環境下的識別率。
  19. Improving traditional cross - subband method of morphology compression algorithm. implement an embedded image coder which is mcgsd having the functions of progressive transmission, arbitrary truncation etc

    其psnr值與流行的小波編碼器相比，性能相當，某些比特率時甚至超過許多流行的小波編碼器。
  20. 6. the broadband coherent high resolution processing method based on constant beamwidth beamformers and the incoherent high resolution processing method based on subband beamformers are studied

    研究了基於恆定束寬波束輸出的寬帶相干高分辨處理方法和基於子帶波束輸出的寬帶非相干高分辨處理方法。
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