path delay造句
例句與造句
- Transmission path delay
傳輸通路延遲 - It ’ s critical path delay is very little , and it operates in the fully - pipelined continuous decoding manner
它關(guān)鍵路徑延時很小,并且為全流水線連續(xù)解碼工作方式。 - Switching path delays are introduced because of the translation of each ip address within the packet headers
因為針對每一個封包標(biāo)頭的ip地址進(jìn)行轉(zhuǎn)換，所以會帶來一些交換路徑的延遲。 - Another constrained problem is delay and delay variation constrained multicast routing problem . sp - dvma ( shortest path delay variation multicast algorithm ) algorithm based on minimum delay path is presented
第二類是時延和時延差約束的多播路由問題，提出了以最短時延路徑為基礎(chǔ)的一種算法? ? sp - dvma算法。 - Due to a variety of its advantages such as high bandwidth efficiency and robustness against multi - path delay , it has been widely used in the fields of digital audio broadcasting , digital television and wireless local area networks and is likely to become one of key technologies of fourth generation mobile communications
由于具有很高的頻譜利用率，很強(qiáng)的抗多徑延遲能力，它已經(jīng)廣泛的應(yīng)用在數(shù)字音頻廣播、數(shù)字電視以及無線局域網(wǎng)當(dāng)中，并有望成為第四代移動通信的關(guān)鍵技術(shù)之一。 - It's difficult to find path delay in a sentence. 用path delay造句挺難的
- Simulator presented in this paper provides a direct interface for the test of shortwave communication system , which well represents various features of hf channel such as multi - path delay , rayleigh fading , doppler shift , doppler spread , gaussian noise and impulsive interference , etc . in order to realize the channel simulation for the intermediate frequency signal , we , inspired by the idea of soft - defined radio , bring forward a new design method that the channel simulator consists of several dsp chips
本文研制的仿真器提供接口直接對短波通信系統(tǒng)進(jìn)行測試,能夠全面反映短波信道的多徑時延、瑞利衰落、多普勒頻移、多普勒擴(kuò)展、高斯噪聲和脈沖干擾等特性。為了實現(xiàn)對中頻信號的信道仿真,開發(fā)出一個結(jié)合軟件無線電思想的由多個數(shù)字信號處理芯片構(gòu)成的短波信道物理仿真器。 - By way of analysis about the typical gps receiver tracking loops , the mathematical models of code multipath error and carrier phase multipath error are proposed in the dissertation ; by way of analysis about geometrical model of multipah signal , the mathematical model of differential path delay is proposed in the dissertation ; based on the above analysis , a improved carrier phase multipath mitigation algorithm using closely - spaced multiple antennas array is proposed , the result of computer simulation proves that the algorithm is feasible . the attitude parameters are often estimated using direct computation method . the relationship between the accuracy of attitude parameters and baseline length as well
本文從經(jīng)典的gps接收機(jī)跟蹤環(huán)出發(fā)，分析了多徑效應(yīng)對偽距觀測量、載波相位觀測量和snr的影響，提出了碼相位多徑誤差和載波相位多徑誤差的數(shù)學(xué)模型；通過對多徑效應(yīng)的幾何模型分析，提出了多徑信號相對路徑延遲的數(shù)學(xué)模型；在此基礎(chǔ)之上，提出了一種改進(jìn)的基于窄間距多天線陣列的載波相位多徑誤差抑制算法，通過計算機(jī)仿真證明了該算法的有效性。 - The author considered great numbers of transmission characteristics of real channel in lms model and properly simplified it according to requirement in the project . the key characteristics in the model include multi - path fading , shadow fading , doppler shift , propagation noise , multi - path delay and and state transform of three status homogeneous markov chain described by lms model , etc . the key characteristics of channel are properly collocated and made to be the evidence theory of hardware implementation
Lms模型考慮了大量的實際信道傳輸特性,結(jié)合課題需求,實現(xiàn)過程中對lms模型做了適當(dāng)簡化,考慮了其中的多徑和陰影衰落、多普勒頻移、傳播噪聲、多徑延遲以及l(fā)ms模型所描述的三狀態(tài)齊次markov鏈的狀態(tài)轉(zhuǎn)換等,對其所描述的主要信道特性適當(dāng)組合,以此作為硬件實現(xiàn)時的理論依據(jù)。 - Our simulation shows that the path will not be improved obviously with the further increase of k , when it reaches a certain value . in addition to this , the dissertation shows that when rh = 3 and rh = 4 , the results are similar . 2 . in regard to the application layer routing of tree - based p2p multicast , the dissertation presents a new kind model of spanning tree , named dcmd , in which the path delay , the
2 .在基于樹的p2p組通訊的傳輸路徑方面,抽象了一個新的生成樹問題? ? dcmd問題,該問題同時考慮了線路延遲、主機(jī)的發(fā)送/轉(zhuǎn)發(fā)延遲和每個主機(jī)的工作負(fù)載有限三種情況,可以更加全面地刻畫出構(gòu)建在應(yīng)用層的p2p組通訊;證明了這個問題屬于np - hard ;提出了基于最大度和基于最長路徑兩類啟發(fā)式算法作為解決該問題的途徑。 - In addition , several way are adopted to optimize the one dimensional transform architecture . improving the architecture resulting from the standard lifting scheme reduces the critical path delay ; an embedded boundary extension algorithm is adopted instead of the standard symmetric extension and it ’ s easier to implement ; the pipeline technique is adopted to increase the speed of processing ; coefficients of the multipliers are transformed into csd forms and the multiplications are substitute by minimum shift - add operations
改進(jìn)了由標(biāo)準(zhǔn)的提升算法得到的變換結(jié)構(gòu),減小了關(guān)鍵路徑上的延時;采用內(nèi)嵌的邊界延拓來代替標(biāo)準(zhǔn)的對稱延拓,實現(xiàn)更加簡單;采用流水線技術(shù)顯著提高了處理的速度;把乘法器系數(shù)表示為csd形式,將常系數(shù)乘法優(yōu)化為最少的移位加操作。