bandwidth ratio 中文意思是什麼

bandwidth ratio 解釋
帶寬比
  • bandwidth : (帶寬):電纜,鏈路或系統傳輸數據的能力。
  • ratio : n. (pl. ratios)1. 比,比率,比值;比例;系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達;求出…的比值;使…成比例。2. 將(相片)按比例放大或縮小。
  1. The set - up of prediction model and its application in real network traffic are very important in the researches of bandwidth allocation, discarding methods, and loss ratio reducing

    建立預測模型及根據模型進行預測,對于網路帶寬資源的分配、改進網路中緩沖區的丟棄演算法、減小丟失率都具有十分重要的意義。
  2. Relationship between the gyro ’ s bandwidth and sensitivity and the resonant frequency differential ratio is derived through frequency analysis. the bandwidth of the gyro increases as the resonant frequency differential ratio increases ; but the sensitivity decreases as the resonant frequency differential ratio increases

    增大驅動軸和敏感軸之間諧振頻率的頻差,可以增加微陀螺的帶寬,但是降低了微陀螺的靈敏度,這為設計石英音叉結構參數時,確定驅動軸和敏感軸諧振頻率提供了指導依據。
  3. The results showed conversion loss less than 11. 2db and image rejection ratio more than 20db over 4ghz rf bandwidth, when if is 70 mhz fixed

    通過測試,當中頻固定在70mhz ,在射頻大於4ghz帶寬內,變頻損耗小於11 . 2db ,鏡頻抑制度大於20db 。
  4. In order to measure the characteristics of such semiconductor optical amplifier, we adopted a set of measurement system. this measurement system can be used to measure the characteristics of all kinds of active or inactive optical passive components. such device presents good polarization insensitivity ( < 0. 9db ), wide 3db bandwidth ( > 33nm ) at 0 - 200ma and different input signal light wavelength and power, the maximum fiber - to - fiber gain of 10db, lossless operation current of 50 - 75ma for different input signal light wavelength and power, large extinction ratio ( > 50db ) and lower noise figure ( nf ) ( < 8db )

    與張瑞英博士一起,首次利用該種有源區結構制備出偏振不靈敏半導體光放大器,並在0 - 200ma注入電流范圍內獲得33nm的3db帶寬,在不同信號波長,不同信號功率0 - 200ma的注入電流范圍內,偏振相關損耗均《 0 . 9db ,在耦合差損為7db / facet的條件下,最大fiber - to - fiher增益達10db ,無損操作電流為50 - 70ma ,消光比達50db以上,而噪聲指數則低於8db ,最小可達4 . 6db 。
  5. The characteristic and key technologies of the system are as follows : ( 1 ) in realizing the live broadcast of audio and video, the problem of immense multimedia data and low networks bandwidth utilization ratio is solved by using mpeg - 4 as format of audio and video data. audio and video data are collected by video card cv500 which developed by beijing sum tone company ; meanwhile, the contradictory between the delay of networks transmitting and the quality of the image is well solved by setting a " bi - buffer area "

    系統實現中解決的關鍵問題和特色主要有以下幾個方面: ( 1 )在視音頻直播功能的實現中,通過使用北京算通公司的cv500視頻採集卡和cv500sdk進行視音頻數據採集,並採用當今最新的圖像和語音編碼壓縮標準mpeg - 4作為視音頻數據的採集格式,既保證了圖像的質量,又大大縮減了視音頻所佔的帶寬,從而解決了多媒體數據量大、網路帶寬利用率低的問題;同時,通過設置環形緩沖區的辦法來調和網路傳輸延時與圖像質量之間的矛盾,取得了較好的效果。
  6. To analyze the factors of impacting load balancing of links, which is including the number of routes between source node and destination node, the number of routes through every link, the maximum flow between source node and destination node, the maximum flow through every link, the free bandwidth of every link and so on, we present the fast dynamic routing algorithm ( fdra ) and the critical link routing algorithm ( clra ). simulation results show presented algorithms in the paper are better than other algorithms in reject ratio of the traffic requests and performance of rerouting the traffic requests when a link is failure, especially in computing time cost

    通過分析影響網路的鏈路負載均衡的因素,比如源-目的節點間的最大流,通過每條鏈路的最大流,源-目的節點間的路徑數目,通過每條鏈路的路徑數目,以及鏈路的剩餘容量等,提出了快捷動態路由演算法fdra和關鍵性鏈路路由演算法clra ,通過模擬,與最小跳演算法( mha ) 、最寬最短路徑( wsp )演算法、最小干擾路由演算法( mira )相比較,提出的兩種演算法在業務阻塞率、資源利用率以及重路由性能方面都有很好的效果。
  7. Thus, the frequency domain adaptive filter is well suited to a multi - narrowband interference scenario, the paper studied frequency domain adaptive algorithms, carried out analysis and computer simulations. simulation results : for gold codes ds - ss signal of length 63, 4 interferences of signal to interference ratio ( sir ) 40 ub or 4 narrowband interferences of signal to interference ratio ( sir ) 40 db and frequency - spectrum bandwidth 12 percent of the whole bandwidth, the sir improvement is better than 20db

    模擬結果指出,在輸入信號為干擾是4個等強度的多音干擾或4個頻譜帶寬占信號總帶寬12的強窄帶干擾(干信比為40db )的擴頻信號(碼長為63的gold碼序列)情況下,演算法的干擾抑制比均優於20db 。
  8. On the basis of rate equations of frsl, power characteristics and extinction ratio of the converted light are discussed. the relation between relaxation oscillation, small - signal modulation response, modulation bandwidth and the length of fiber ring cavity is analyzed also

    根據frsl滿足的單模速率方程,討論了採用frsl進行波長轉換時轉換光的功率特性和消光比,以及frsl的弛豫振蕩特性、小信號調制響應、調制帶寬與光纖環形腔長度的關系。
  9. A 1 / 10 - scale model quasi - fractal rcl - loaded monopole antenna was fabricated and measured, which has a bandwidth ratio of about 10 : 1, with vswr less than 3. 0, calculated system gain greater than - 9. 4db and the efficiency above 14 %

    加入寬帶匹配網路后,對其10 : 1的縮比模型天線進行了測試,在全頻率段內駐波系數小於3 ,理論增益大於- 9 . 4db ,效率大於14 % 。
  10. In mobile communication and high - speed wireless digital communication, multi - path, the finity of channel bandwidth and faultiness of the channel, lead to the bringing of intersymbol interference ( isi ) when data transfer. this is an important factor that degrades the performance of communication. however channel equalization technique can eliminate the isi and noise, it can also reduces the bit error ratio

    在移動通信及高速無線數據通信中,多徑效應和通道帶寬的有限性以及通道特性的不完善性導致數據傳輸時不可避免地產生碼間干擾( isi ) ,成為影響通信質量的重要因素,而通道的均衡技術可以消除碼間干擾和噪聲,並減少誤碼率。
  11. The project is to develop the 100mhz wideband digital storage oscilloscope ( wdso ) , typical performance character : input signal - 3db bandwidth is 100mhz, real time sampling frequency is 20msa / s, equivalent sampling frequency is 10gsa / s, resolution is 8bits, dual signal channel, and delicacy is 5mv 5v div per channel , time sweep velocity is 2. 5ns - - 5s div 。 so the project is provided with higher performance - to - price ratio, stronger competitive capacity in market and widest applied foreground at the area of wdso

    本次課題的具體目標是實現100mhz帶寬的數字存儲示波器正樣機的研製,具體主要性能指標達到最高實時采樣率20msa / s 、等效采樣率10gsa / s 、被觀測信號3db模擬帶寬達100mhz 、采樣數字解析度8bit ;雙通道,幅值靈敏度: 5mv 5v div ,掃速2 . 5ns - - 5s div 。該方案具有較高的性價比,較強的市場競爭力和廣闊的應用前景。
  12. Design a kind of sub - optimum digital prefilter. through the simulation of timing recovery loop which is n ' t added prefilter and which is added prefilter, discuss the convergence characteristic and compare the relation between timing jitter and signal to noise ratio, the relation between timing jitter and noise bandwidth of loop, the relation between symbol error ratio and signal to noise ratio

    通過對加預濾波器后的定時恢復環的模擬,討論了環路的收斂情況,比較了所設計的數字預濾波器和無預濾波器時環路定時抖動與信噪比、定時抖動與環路噪聲帶寬、誤碼率與信噪比的數量關系,證實所設計的數字預濾波器對減少定時抖動非常有效。
  13. This thesis performs the research how to analyze and design lithium niobate optical modulator in i - fog. the analysis concentrates on those performance parameters of a modulator : half - wave voltage, single mode performance, quasi te / tm polarization, loss, bandwidth and split - ratio

    這些都是圍繞調制器的性能參數來研究的,它們包括:半波電壓,單模特性,偏振特性( te和tm模之間的輸出功率比值) ,損耗,帶寬及分支比等。
  14. We chose suitable tcp throughput model to estimate the available bandwidth correctly, using the estimated round trip time and packet loss ratio for the next time interval as parameters of the model to achive the accuracy of estimated network bandwidth. as the observed losses and round trip time vary very dynamically, adjust the sending rate equivalent to the amount of tcp throughput may result in a rather fluctuant sending rate. so we present a rate adjustment like tcp congestion control based on aimd, which increases its sending rate by an additive inereease rate

    根據mpeg4視頻流應用的特點,選擇合適的吞吐量模型,進行合理的參數估計,並根據計算出的帶寬進行相應的速率調整來實現擁塞控制,我們使用未來rtt的估計值和分組丟失率的估計值作為吞吐量模型的參數,增強了控制的實時性,弱化了業務的振蕩性,提高了帶寬預測的準確性;在進行速率調整時,不是簡單地將發送速率調整到與tcp吞吐量模型一致,而是採用類似tcp的aimd策略來調節發送速率,減小了發送速率的振蕩性。
  15. Test results show that this adc achieves the snr of 90 db and distortion ratio of 0. 0248 % for a 20khz signal bandwidth while operating under a single 3. 3v supply

    晶元測試結果顯示其信噪比達到90db ,總諧波失真0 . 0248 % ,基本達到了預期的設計指標。
  16. It differentiates hard real - time, soft real - time and best - effort applications and supplies different applications for cpu ' s bandwidth according to their own policy. hard real - time applications are executed with a priority because of its processing in real - time kernel. the control of time ratio shared by cpu for soft real - time tasks can keep general time - sharing task not to starve

    Rt - linux能對硬實時應用提供較好的支持,本文對其進行剖析,並在此基礎上提出一種統一調度框架,該框架對硬實時,軟實時,以及盡力而為的應用進行區分,對不同的應用按一定的策略分配cpu帶寬。
  17. Bandwidth expansion ratio

    帶寬擴展率
  18. Within a p2p network, a node is a client and a server at the same time. the service is provided by different nodes, not by one. this improves the use ratio of resources, bandwidth of network, etc. nodes within this network can communicate with each other directly and share resources

    P2p網路中的節點通常既是客戶機,又是服務器,服務提供是分散的而非集中的,這樣大大提高了網路中信息,帶寬和其它資源的利用率;同時用戶之間可以直接通信、共享資源和協同工作,其可擴展性和容錯性能較好。
  19. Can ( controller area network ) is famous for its excellent real - time ability and high performance to cost ratio. can is a typical event - triggered field - bus, and can applications exhibit low bandwidth utilization ratio. a time - triggered scheduling method for the can 2. 0 has been presented by use of hardware periodical interrupt of micro - controller and software programming technique

    ( 2 ) can ( controllerareanetwork )總線技術實時性好,性價比高,但這種事件觸發型現場總線網路利用率較低,針對can總線在分散式系統中的應用,利用微控制器的硬體定時器,結合軟體編程,提出了一種can總線的時間觸發調度方法。
  20. To increase the slot throughput and shorten the network ' s delay, the author analyzed all kinds of existent bandwidth allocation algorithm. according to the theoretical deduction, the author concluded the relation between the slot throughput, the number of arrived request packets and the number of allocated contention slots. thereout, he put forward an upstream channel bandwidth allocation algorithm based on the estimation of the request packet ' s arrival ratio ( )

    論文以增大時隙吞吐量、減小網路時延為目標,分析了前人提出的各種演算法,在理論推導的基礎上,得出了時隙吞吐量s和到達網路的請求分組數及分配的競爭時隙數之間的關系,並由此提出了一種基於對請求分組到達率估值進行帶寬分配的演算法。
分享友人