比特編號 的英文怎麼說

中文拼音 [biānháo]
比特編號 英文
bit number
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
  • : Ⅰ動詞1 (編織) weave; plait; braid 2 (組織; 排列) make a list; arrange in a list; organize; gr...
  • : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
  • 比特 : [計算機] bit (信息量單位)比特波形 bit pattern; 比特差錯率 bit error rate [probability]; 比特緩...
  • 編號 : 1 (按順序編號數) number 2 (編定的號數) identifier; serial number; 編號次序 numeral order; 編...
  1. So this part is dealt with separately. dcpm method is employed to improve the quality of image coding with making full of the relativity of the wavelet coefficients. according to the different importance degree and vision character of the high frequency wavelet coefficients, different thresholds are applied to remove small coefficients ; then mannos module are applied to remove the visual redundancy ; in order to produce more zero - tree, horizontal and vertical wavelet coefficients are transformed accordingly to improve the compression ratio

    對于小波變換后的小波系數的高頻部分,根據其分佈性和人眼的視覺性,採用視覺模型對零樹量化過程的閾值進行修正,有效地去除視覺冗餘;對各高頻子圖採用多級樹集合分割的零樹碼方法,有效地利用系數碼剩餘符,進一步提高壓縮
  2. Take integrity of object information into condition, a two - dimension signal processing method which can make a measurement of the target ’ s speed as well as the range is brought forward at the basis of waveform parameter design. and simulation in the background of hf multi - object with noise is taken. a comparison of signal properties, processing and antinoise detection performance is taken between mcpc and another two high range resolution radar signals : single carrier pulse coded signal and step frequency pulse coded signal

    考慮到目標信息提取的相對完整性,以高頻雷達為背景,在對多載波相位碼脈沖串信參數設計的基礎上,推導了三種多載頻相位碼脈沖串信的距離速度二維處理過程並相應的對多目標噪聲環境進行了模擬;將多載波相位碼信與另外兩種距離高分辨信:單載頻相位碼信和相位碼階梯跳頻信,在信性、處理過程和抗噪聲性方面進行了對;本文從理論上為多載波相位碼信的波形設計和分析、信的處理打下基礎。
  3. The adaptation processing includes linear prediction coefficient adaptation and adaptation of quantization step size for residual signals. based on g. 726, we adopt a huffman coder to make use of probability statistic of bit cascade covering n ( n 1 ) samples generated from adpcm, in order to further reduce the bit rate. ng is lossless entropy coding, the speech quality of our improved algorithm should be same as that of g. 726 standard

    我們的研究和改進工作包括:研究最優非均勻自適應量化器,及其自適應演算法;研究波形預測函數,以及函數零點、極點的自適應演算法;基於每n ( n 1 )個樣本所對應符的概率統計,對預測殘差量化值再進行huffman碼,進一步降低率。
  4. This article analyses the signal characteristics of several typical cw radars, and presents the principle and application of doppler radar. as one focal point, this article researches the generation and math characteristics of pseudorandom code modulated signal, analyses the spectrum of pseudorandom code phase modulation radar signal, and presents this kind of signal ' s application in distance and speed measurement. this article also researches the application of mono - pulse amplitude comparison radar in angle measurement finally, this article elaborates the working process of crs in uast

    本文分析了幾種典型的連續波雷達信性,介紹了多普勒雷達的原理和應用;研究了偽隨機碼信的產生和數學徵,著重分析了偽碼調相連續波雷達信的頻譜,及其在雷達測距、測速方面的應用;研究了單脈沖幅度較體制在雷達測角中的應用;最後,闡述了超近反導系統中復合體制雷達的工作過程。
  5. Although there have been many application instances in the field of input / output device technology, we need an specific project and technology route aimed at an given application. in this thesis, we combine the introduction and analysis of relative technology to describe the accomplishment of a coordinate collecting device which is based on incremental rotary encoder. this device is an specific device applied to collect the corrdinate displacement of ground image ’ s three - dimensional model created by full digital photogrammetric station. cpld chip and vhdl are applied in this device to carry out the following work : phase control of the electrical pulse created by incremental rotary encoder, counting the number of electrical pulse, controling the state of signal processing circuit, exchanging data between this circuit and pci control

    本文結合相關技術的介紹和分析,描述了一個基於增量式旋轉碼器的坐標參量採集介面卡的實現,此介面卡是一種用於採集全數字攝影測量系統地面影像模型坐標位移量的專用設備,該設備採用cpld器件和vhdl語言實現增量式旋轉碼器的脈沖信鑒相和計數、信處理部分的狀態控制以及和pci總線晶元ch365之間的數據交換和通信功能,同時該設備的驅動程序基於wdm模式,並且配置有結構良好的動態鏈接庫程序作為系統軟體和驅動程序之間的數據和控制交互中間介面,能夠方便地運行在windows98 / 2000 / xp操作系統平臺上,具有實時性強、工作穩定、通用性較好和性價高等點。
  6. 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率語音信壓縮碼技術、基於電力通信網的高速調制解調技術、信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,具有較高的整體性能。
  7. Redundancy design and module circuit design have been used, and completely think over the adaptability to environment, self - protection and heat release. the control software is compiled with asm language, the software includes the air - fuel ratio control program under different situations, monitor program and signal processing program

    根據發動機的工作性用匯語言設計相應的綜合控制軟體,它包括發動機起動、怠速、加速、減速、恆速和變速變負荷等工況的空燃控製程序、串列和并行通訊程序、信採集及數據處理程序和控制量輸出程序。
  8. Most of these standards are based on the method of inter - frame motion compensation and two - dimensional discrete cosine transform ( 2d - dct ) and encode and describe the color video in ycbcr 4 : 2 : 0 format, which want to take advantage of human visual system ( hvs ) to save bit expense by decreasing the resolution of two color difference components

    當前國際上的壓縮標準普遍採用幀間運動補償加幀內二維離散餘弦變換的碼方法,並且將彩色視頻序列表示為ycbcr格式,試圖利用人眼的視覺性降低對色差信的解析度來節省開銷。
  9. The work of this dissertation is focused on research of some key technics in signal design and processing of mcpc signal. the main content of the dissertation is summarized as follows : it gives a detailed description of the form of the mcpc waveform and its mathematical model, and analyses the formation and properties of phase coded sequence. it discusses the effect of signal parameters on autocorrelation, power spectra and ambiguity function in forms of single pulse and pulse train and compares different kinds of single pulse signals and pulse train signals

    本文圍繞著多載波相位碼信在信設計與信處理的若干關鍵問題進行了研究,主要做了以下工作:描述了多載波相位碼信( multicarrierphasecoded ,簡稱mcpc )的信形式,給出了其數學模型,對其中相位碼序列的構成方式與性進行了分析;從單脈沖和脈沖串兩種信形式入手,對多載頻相位碼信的參數在自相關函數、功率譜密度和模糊方程上的影響作了詳細地討論,對不同調制方式的單脈沖和脈沖串信進行了較。
  10. By reducing coding rate, more speech signals can be transferred in the same channel. so, low bit rate speech coding has especially important significance when the transmission rate is limited very strictly

    通過降低碼速率,可以使同樣的通道容量能夠傳輸更多路的語音信,在傳輸限制十分嚴格的場合,低速率語音碼具有別重要的意義。
  11. In this paper, a new way of real - time damage detection method was proposed according to the high speed working situation of the composite flywheels for energy storage, and a suit of equipment was developed to test the composite samples with piezoelectric disc built - in, the response waves before and after the damage occurred were recorded to the computer. on the base of traditional spectrum analysis of signal recorded, the wavelet analysis was introduced and the program in matlab language was made. with the wavelet packet decomposition of the signal, the relations between the change of response signals and damage characters were gotten, a database for damage recognition was created

    本文結合儲能復合材料飛輪高速旋轉的工作點,提出了一種在線檢測飛輪轉子損傷的方法,自主設計一套實驗裝置對模擬各種損傷的的試樣進行了測試,試樣損傷前後的響應信被採集后存入計算機中;在對採集信進行傳統的頻譜分析的基礎上,引入了先進的小波分析理論,利用matlab語言寫程序,對信進行小波分解,得到了信變化和損傷徵之間的關系,建立了一個識別飛輪損傷的數據庫;小波包分解得到信圖和徵向量,可以有效判定材料內部有無損傷和損傷的程度,結合頻譜分析等,可一定程度上判定損傷的類型,為儲能飛輪的安全運轉和智能化運作提供了決策依據。
  12. Delivering quality video over wireless channels in real time is a challenging task. this isprimarily because of the throughput of a wireless channel may be reduced due to multipath fading, cochannel interference, and noise disturbance. therefore, there is a critical need forrobust transmission of video over wireless channels. recently, the emergence of mimo - ofdm has stimulated great interest in real time video communication, because this system can offer broadband for the multimedia data transmission over wireless channels

    因為傳統的視頻壓縮技術是針對單天線系統,只產生單一的流,這與多天線系統不相適應,為此,需要將視頻信分解成相應的多個碼流。本文探討一種將能視頻信分解成多個碼流的多描述碼方法,以適應多天線系統的傳輸。
  13. First, delay window is used to reduce influence of pulse disturbance and signal amplitude to measurement result. second, according to the feature that width of receiving signal is wider than disturbing signal, width differentiation circuit is utilized to distinguish receiving signal and disturbing signal. third, most of digital circuits are integrated into isplsi ( in system programmable large scale integrated chip ) 1032 so as to simplify design and to develop the stability and reliability of the system

    關于提高系統的穩定性和可靠性問題:一是採用了延遲窗口接收技術,以盡可能減小干擾脈沖對測量結果的影響;二是根據接收信脈寬干擾信脈寬要寬的點,採用脈寬鑒別電路來鑒別接收信;三是用可程大規模晶元isplsi1032對系統大部分的數字電路進行了集成化設計,達到既簡化電路設計、又提高系統穩定性可靠性的目的。
  14. As we all know, the capability of wireless communication system is constrained by radio propagation channel, especially for future wideband communication system. so it needs more signal processing techniques to withstand bad radio propagation environment, such as diversity combination, coherent detection and channel encoding and decoding etc. for mimo physical layer approaches, channel state information is a prerequisite, thus comes many channel estimation approaches and algorithms

    無線通信系統的性能主要受到移動無線通道的制約,別對未來的寬帶移動通信系統更需要採用很多信處理技術來對抗惡劣的無線傳播環境以提高系統性能,如常見的分集合併、相關檢測和通道解碼技術等,而採用這些技術的前提就是要知道通道的狀態信息( csi ) 。
  15. By utilizing the knowledge of digital circuit and simulation circuit, the system designs the pretreatment dealing circuit of the myoelectrical signal, which has the feature of big input impedance well suppress of public module and high gains. then the signal is gathered with " zhentong " data gathering after dealing with, and the software of signal processing is explored before the myoelectric signal is analyzed. after picking up eigenvalue, it is proved that the result is unanimous basically with the data of the relevant materials ; the other is to control artificial hand by the eigenvalue of the myoelectric signa l and at last the system gets very good control results

    即利用數字電路和模擬電路等相關知識,設計了具有輸入阻抗大、共模抑制好、增益高等點的肌電信前置處理電路,利用「振通」數據採集儀對處理后的信進行採集,並利用快速傅立葉變換的相關知識寫了信處理程序,對肌電信進行了波形分析、幅值譜分析和功率譜分析,提取了信徵值,與相關資料的數據相,基本一致;二是利用肌電信徵值對肌電假手進行控制。
  16. The g. 726 speech coding algorithm involves adaptive linear prediction to eliminate the correlation of signal waveform, so as to reduce the resulting bit rate

    G . 726建議採用自適應預測碼,以消除波形信的相關性,從而降低語音信表達的率。
  17. This chip integrates the algorithms of coding and decoding in chip, which can accurately control the compression rate and compress many video signal formats, including pal and ntsc. on the other hand, it can also obtain excellent image quality and high compression rate. in this paper, we make the best use of adv6oilc fulfill the remote multimedia surveillance, which provides many advantages in implementing such system

    該專用壓縮解壓縮晶元系列片內集成了解碼演算法,具有精確的壓縮率控制,能實時對包括pal和ntsc在內的多種視頻信進行壓縮和解壓縮,同時由於採用小波變換進行圖像解碼,能保證獲得很高的壓縮率和圖像質量。
  18. In the first part the wavelet analysis theory is systematically summarized in the perspective of signal analysis and digital signal processing. in succession, the excellent of the wavelet image coding techniques are introduced with the focus on the ebcot coding algorithm. at the last part, aiming at the properties of hyperspectral images, three compression schemes are presented : dct + ebcot, differential method + ebcot and predictive method + ebcot

    文中首先從信分析和數字信處理的角度對小波分析理論進行了系統的總結,在此基礎上介紹了基於小波的圖像碼技術的優秀成果,重點介紹了基於小波的ebcot碼演算法,接著,針對高光譜圖像的徵,本文提出了以下三種壓縮方案: dct變換+ ebcot的壓縮方案、差值法+ ebcot的壓縮方案及預測法+ ebcot的壓縮方案,對三種壓縮方案進行了軟體模擬,並將模擬結果與其它壓縮方案進行了較。
  19. During the latest 20 years, great progress has been made in the theory, method and technology of image - compression coding on the basis of such traditional coding methods as coding forecast and exchanger coding etc ; wavelet transformation has been widely used in signal - disposal field, because it has a characteristic of energy focus, it puts forwards a concept of multi - resolution ration analysis and the realization o f algorithm about wavelet decompose and fast rebuild. among the applications of wavelet analysis, it is rather mature to apply it to image - data compressing

    近20年來,在預測碼、變換碼和其它傳統碼方法的基礎上,圖像壓縮碼的理論、方法和技術取得了較大進展;其中小波碼演算法因其能量集中性、多分辨分析概念的提出和小波分解與重構快速演算法的實現,使得小波變換在信處理領域得到了廣泛的應用,小波分析應用於圖像數據壓縮是小波分析應用的一個較成熟的方面。
  20. Meanwhile, the telephone gateway in tetra system is introduced. in further research, the principle of tetra speech coding algorithm ? algebraic codebook excitation linear prediction ( acelp ) is introduced and analysed in detail, which is a advanced codebook excitation linear prediction ( celp ). acelp algorithm replaces the excitation signals with algebraic codebook and uses some technique such as minimizing the mean square error ( mse ) and the analysis - synthesis method to obtain characteristic parameters of speech

    同時,介紹tetra系統的市話網關,並在接下來的研究中詳細介紹tetra電話網關中應用到的語音解碼演算法? ?代數碼本激勵線性預測碼( acelp )的基本原理,它是一種簡化了的碼本激勵線性預測碼( celp ) ,它把激勵信用代數碼本代替,並且運用了均方誤差最小、分析?合成等技術提取出語音的徵參數,極大地降低了率,而且具有較好的重建語音質量。
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