channel bit 中文意思是什麼

channel bit 解釋
通道信號位
  • channel : n 1 水路，水道，渠，溝；海峽；河床，河底。2 （柱等的）槽，凹縫；【機械工程】槽鐵，凹形鐵。3 〈比...
  • bit : n 1 少許，一點兒，一些；（食物的）一口，少量食物。 〈pl 〉 吃剩的食物；小片。2 〈口語〉一會兒，一...
  1. Because of huge data quantum and high demand of channel bit error rate for video transmission, and fallibility, time variability and limited band of wires channel, wireless video system is faced with lots of problems

    由於視頻業務的數據量大、對誤比特率要求高，無線通道又具有易錯、時變和帶限的特點，因此通道的誤比特率要比有線環境大得多，且隨著基站和終端位置、方向的改變而變化很大。
  2. The factors limiting the frequency band of the wide - band amplifier are introduced. through analyzing the effects of the intrinsic parameters and parasitical on the frequency characteristics, a method of improving fr of mosfet by using short channel device and making mosfet work at the saturation region through raising vgs is put forward ; the effects of different kinds of circuit configurations on the frequency characteristics and the junction voltage on the voltage pattern circuit, current pattern circuit and frequency characteristics are analyzed. according to the linear theory of transconductance which is applied in the bit circuit, the current pattern amplifier circuit, current transfer circuit and output circuit which consist of mosfet and the wide - band amplifier composed of them are put forward

    介紹了限制寬帶放大器頻帶寬度的因素，通過分析mosfet的本徵參數、寄生參數對頻率特性的影響，提出了採用短溝器件、使mosfet工作在飽和區、抬高柵源電壓等提高mosfet特徵頻率的方法；分析了不同電路組態對放大器頻率特性的影響、節點電壓對電壓模電路、電流模電路頻率特性的不同影響，根據應用於雙極晶體管電路的跨導線性原理，提出了採用mosfet構成的電流模放大電路、電流傳輸電路、輸出電路以及由它們所組成的寬帶放大器，獲得了良好的頻率響應。
  3. In term of the probability of communication system and perturbance theory, the model of the effect of srs to error bit ratio in communication system is established. through the way numerical of simulation, limitations to srs to error bit ration of communication system and input optical power, the number of channel etc are discussed. the obtained conclusion has definitely reference value to the design of practical communication

    根據數字通信系統幾率的特性和微擾理論，建立了受激喇曼散射對通信系統誤碼率影響的理論模型，並通過數值模擬討論了受激喇曼散射對系統誤碼率、最大輸入功率和通道數等的限制，獲得了一些對實際光通信系統設計有參考價值的結論。
  4. In order to combine the study of the ds - ss communication system ’ s availably jamming, the whole ds - ss communication system is modeled and simulated, including the modulation of the ds - ss signal, channel transmission, synchronal demodulation of signal and statistic of the bit error rate ( ber )

    為結合直擴通信系統的有效干擾研究工作，建立了直擴系統從信號的調制產生，通道傳輸、信號同步解擴解調和誤碼率統計的全過程模擬系統。
  5. 8b / 10b encoding adapt the characteristic of fiber channel very well, it has been used in high - speed fiber transmission broadly. it avoids the appearance of continuous “ 1 ”, “ 0 ”, offers plenty of bit synchronization time information, enhances the stability of output light signal, reduces interference between signals and offers proper redundancy to check error through transmission

    它避免了連「 1 」 、連「 0 」碼的出現，提供了豐富的位同步定時信息，減少了直流基線漂移，提高了光輸出功率的穩定性，減少了高低頻分量，改善了信號間的串擾，提供了適當的冗餘，便於檢測系統傳輸中帶來的錯誤。
  6. In this paper, after introduction of the code division multiple access ( cdma ) and orthogonal multicarrier ( mc ) technique, the system model of mc - cdma is analyzed and the bit error rate ( ber ) performance in downlink and uplink channel is shown in awgn channel by computer simulation

    本文在碼分多址技術和正交多載波技術原理基礎上，分析了高斯白噪聲通道中多載波碼分多址（ mc - cdma ）系統的數學模型，並且使用不同的擴展碼對下行通道和上行通道誤碼率性能分別作了計算機模擬分析。
  7. We discuss the bit error rate of the convolutional code, turbo code encoder and decoder theory as well as the performance in awgn channel and rician channel, and present the result of simulation

    討論了rs與卷積碼級聯的誤碼率問題， turbo碼的編譯碼原理及其在awgn通道和rician通道中的性能，並給出了相應的模擬結果。
  8. The communication system ' s performance is briefly analyzed by channel capacity, which is a function of bit error rate ( ber ). the decision rule is based on the most likelihood method. for reproducing the original binary signals more correctly, time scale transformation method and the approach of ensemble average probability of error bits are introduced

    通過理論分析和模擬實驗，本文研究了這個非線性數字通信系統性能，給出了誤碼率和通道容量公式，提出了系統參數調節方法，採用最大似然法設計了適合這個系統輸出的判決規則。
  9. In improved uep scheme, the syntax elements belonged to luminance parts and chrominance parts was reassigned to different data partitions. those packets containing syntax elements belonged to luminance parts were got error protection at high level so as to guarantee their correctness during transmitting in error - prone network. simulation has shown that using proposed scheme, the packing tradeoff is decreased 8240 bytes in error - free channel and also the output bits and bit rate of coded video stream are decreased 2. 70kbits and 0. 33 kbps respectively

    模擬實驗表明，本方案能在無噪通道中有效降低編碼器端8240位元組的打包開銷和2 . 70kbit的輸出比特數以及0 . 33kbps的比特率，而在有噪通道中可使解碼輸出重構視頻圖像的視覺質量得到一定程度的提高，亮度分量峰值信噪比可增加近1db 。
  10. The ina128 is used by left leg ' s driver circle and the aims are to enhance the cmrr and reduce the disturbance of 50hz. the part of a / d transmitting chip is the adc0809 which have a eight - channel transmitter, a eight - bit a / d transmitter and the logical control by microprocessor

    考慮到家庭監護的實際應用，精度的要求不是很高， a / d轉換器採用的是adc0809 ，它有8通道多路轉換器、 8位模/數轉換器和與微處理器兼容的控制邏輯電路。
  11. Space - time codes can be divided into tree mainly parts : bell layered space - time architecture ( blast ), space - time trellis codes ( sttc ) and space - time block codes ( stbc ). in this paper, we mainly compare the performance of blast and stbc in many aspects, such as design criterion, transmission rate, diversity gain, diversity combining, bit error rate and channel capacity etc. in this paper, we first respectively analysed the instantaneous received symbol energy - to - noise ratio of v _ blast in the diversity combining methods of maximal ratio combining ( mrc ), equal gain combing ( egc ) and selective combing ( sc )

    Mimo技術核心是空時編碼（ stc ） 。空時編碼主要分為三種:分層空時碼（ blast ） 、空時格碼（ sttc ）和空時塊碼（ stbc ） 。本文主要對分層空時碼和空時塊碼這兩種編碼方式在設計準則、傳輸速率、分集增益、接收合併、比特差錯率和通道容量等方面進行了較為詳盡的研究。
  12. An algorithm of fec ( forward error correction ) system and it ’ s fpga implementation were researched, . then the fec system was applied to an audio transmission platform. the platform can decrease the error bit rate to 1 10 - 7 when channel error bit rate is 3 10 - 3. veriloghdl was chosen to design the circuits

    研究了一種前向糾錯（ fec ）演算法及基於fpga的相應電路設計，將此電路應用於數字音頻無線傳輸，搭建了一個完整的數字音頻無線傳輸平臺，當無線通道誤碼率為3 10 - 3時，經過該糾錯電路可以降低到1 10 - 7以下。
  13. In the new model, the legitimate partners can control the error bit rate of the eavesdropper ' s channel by adjusting their virtual binary symmetric channels. when our new model is implemented, the problem of receiving synchronization of the partners will not occur

    在該模型中，通信雙方使用虛擬的二元對稱通道來控制竊聽方接收通道的誤比特率，而且使用該模型也不存在信息接收同步的問題。
  14. Very low bit rate video coding is a hotspot in video processing field in these years. it supplies a gap of application in narrowband channel

    甚低碼率視頻圖像編碼技術是近年來視頻處理領域的一個研究熱點，它的出現填補了視頻通信在窄帶通道上應用的空白。
  15. 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。
  16. 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。
  17. 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。
  18. Each 16 - bit color channel can hold a value in the range 0 through 2 13

    每個16位顏色通道能夠保存一個范圍在0到2 ^ 13的值。
  19. The format specifies 24 - bit color depth and an 8 - bit alpha channel

    此格式指定24位顏色深度和一個8位alpha通道。
  20. Because of the different context of program and channel, most of the bit - stream rates of programs video are different. when one tv station relays other ' s program, or when we convert program from hfc to vod, tcp / ip system, it is need to convert the bit - stream rate which could not meet the need of local channel

    由於節目內容不同、通道不同，數字電視系統中節目流碼率是千差萬別的，當一個電視臺轉播其它電視臺的節目之前，或者將節目轉播到點播電視系統、網路電視系統中時，如果本地通道不能滿足帶寬要求，則必需進行碼率轉換。
分享友人
分享到 Line

分享到臉書