頻道容量 的英文怎麼說
中文拼音 [bīndàoróngliáng]
頻道容量
英文
channel capacity-
Capacity series and frequency channels arrangement in 25 to 1000mhz land mobile telecommunication network
25 - 1000mhz陸地移動通信網的容量系列及頻道配置Thereafter, the applications of go sequences in single - cell s - cdma systems are discussed in this thesis. in additive white gaussion noise ( awgn ) channel, interference components in s - cdma systems accommodating more users than the spreading factor is analyzed based on the theoretical bound of the periodic correlation mean square property. then two interference - suppressed s - cdma system models of augmented capacity are proposed, along with the analysis and simulation results
在加性白高斯噪聲（ awgn ）通道條件下，以序列集周期相關均方特性理論界為基礎，對序列個數大於系統擴頻因子的s - cdma系統干擾組成進行了分析，並基於截短wh序列提出了兩種高容量低干擾s - cdma系統模型，給出了分析和模擬結果。Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo
本文首先對數字減影血管造影（ dsa ）成像系統的組成結構和數據流向進行了深入研究和分析，並對系統中的數據流向進行了完整的歸納和總結，給出了x線數字成像系統中的高速大容量數據通道的設計方案；在對sdram的控制方式做了深入探討后，給出了實現大容量多條sdram共同工作的解決方案，在此基礎上設計了大容量幀存板實現對圖象數據進行高速存儲；通過對pci總線介面的深入研究，優化後端狀態機設計和低層驅動程序開發，給出了完整的pci介面方案實現高速dma數據傳輸，完全可以滿足視頻傳輸要求；深入研究了基於大規模可編程器件的數字系統設計方法，針對通用fifo使能信號漂移、輸出數據難于建立和保持等設計難點，提出了利用fpga中的鎖相環提供多個時鐘相移的信號來提高系統穩定性的解決方案，從而實現利用fifo來協調系統各模塊之間的數據高速傳輸。On the basis of this theory, the applications of the sdr structure of wideband and bandpass sampling in if ( intermediate frequency ) in flight test were offered : increase the sampling in if ( intermediate frequency ) in flight test were offered : increase the capacity of the transmitter and the terminal receiver channels without changing the apparatus of original system and on the conditions of obeying the standard remote sensing
首先對軟體無線電的組成結構和飛行測試中實際使用的通道進行了闡述，在此基礎上提出了基於寬帶中頻帶通采樣軟體無線電結構在飛行遙測測試中的應用，在不改變原系統設備的情況下，在遵守遙測標準的前提下，提出增加機載發射機和接收機通道容量的設計方案。Fine resolution is used to largen the capability of channels as well as to improve the system agility
小步進跳頻有利於增大通道容量，提高系統靈活性，也是一項重要指標。It makes an effort on analysis on some certain tendency of mass media consumerism, such as the individualism of tv media channel and programmers styles orientation ; media has become the instrument for profit perusing ; mass media services the public with mass entertainment contents ; mass communication make people at loose ends and rely more on news media in the information explosion times ; worship towards mass media makes people lose themselves in some degrees
著重對一些典型的大眾傳媒的消費主義傾向作分析，諸如電視媒體頻道的個性化包裝和節目的風格化定位；媒體成為追求利潤的工具；傳播內容以大量娛樂內容服務于受眾；信息爆炸時代的大眾傳播讓受眾無所適從，日常生活中對新聞媒體依賴程度加重，大眾傳媒崇拜導致不同程度的「自我」喪失等等。By experimentation, it is shown that time - frequency modulation is efficient and effective, which has rake and fault tolerant capacities in passband. the modem has strong ability of anti - jamming and error - correction which can finish the mission of communication under poor channel qualitative properties
經過實驗證明，時頻調制是一種簡捷有效方法，它具有很好的帶內分集接收效果和容錯能力，該數據機在通道質量很差的條件下，仍能完成數據通信的任務，具有很強的抗干擾和糾錯能力。Code division multiple access ( cdma ) communications systems being possessed of the merits of great capacity and soft hand - off and so on must have taken a significant role in future wireless communications systems. because pn sequences used in communications systems are been vertical completely, when numbers of user are more, there are multiple access interference ( mai ) in cdma and serving quality in communications systems is reduced
碼分多址（ cdma ）通信系統以頻譜利用率高、系統容量大、頻率管理容易，軟切換、移動臺發射功率低、通道的傳輸速率高等優點代表了新一代移動通信，在未來的無線通信系統中必將扮演極為重要的角色。Please adjust your maximum channel size for our channel by logging onto avantgo s website
請于avantgo網頁調高國泰的頻道容量。If your flight schedule s schedule preferences is 3 all schedules, then you can set 700k as the channel size
如您下載航班時間表時間揀選第3項選擇即是所有直航班次的資料，請調高頻道容量至700k 。If you select preference 1 or 2, you may need to set up to 2000k for the channel size depending on which city you have chosen
如您揀選第1或2項選擇，您可能需要調高頻道容量至2000k依您選擇的城?而定。Smart antenna may reduce coggege of electronic engineering of uestc, the cochannel interferences ( cci ), enhance the user capacity and spectrum efficiency, reduces the transmit power and electromagnetic interferences, enhance the transmit efficiency, dynamically divide cells in third generation cellular
智能天線技術應用於第三代移動通信系統中具有可以減小因頻率復用造成的共通道干擾（ cci ） 、提高頻譜利用效率及增大系統容量、減小發射功率和空間電磁干擾、增加發射效率、對小區進行動態劃分等優點。This paper proposes a multiple description mesh - based motion coding method, which generates two descriptionsfor mesh - based motion by subsampling the nodes of a right - angledtriangular mesh and dividing them into two groups. motion vectorsassociated with the mesh nodes in each group are transmitted overdistinct channels
丟包由於網路阻塞路由延遲以及從高容量網路向低容量網路交換等和通道失效由於衰落效應和突發錯誤等使得在internet和無線通道上壓縮視頻數據的可靠傳輸成為新的研究課題。Because of the affection of noise and signal fading, in order to high data rate access and high quality, wireless communication need new technology to improve the link reliability and enhance the spectrum efficiency. mimo ( multiple input and multiple output ) can enhance the spectrum efficiency and increase channel capacity greatly, and reduce the multipath affection without spectrum band and power increasing. the 3th generation mobile communication wcdma is coming, with the purpose of putting mimo, stbc ( space time block coding ), space diversity into practice of wcdma systems, in order to lay the foundation of 3g toward 4g, this dissertation has done some research under this background
在發射機和接收機使用多個天線進行數據傳輸的多輸入多輸出（ mimo ）技術，可以在不增加帶寬和天線發送功率的條件下，成倍的提高頻譜利用率，提高系統的通道容量，還可以抗多徑干擾。第三代移動通信wcdma即將到來，為了將多天線技術（ mimo ） ，空間分集技術，空時編碼技術用到wcdma系統中去，為第三代移動通信向第四代移動通信系統平穩過渡奠定一定的基礎，需要做一些理論上的研究。Finalise the frequency coordination, work out a workable frequency plan and have a clear knowledge of how much capacity are available before setting up criteria and inviting applications for multiplex, programme provider and additional services licences
港府應落實頻譜協調，制定可行的頻譜規劃，以及在推出數碼頻道平臺、節目供應商及額外附加服務牌照和訂立準則前，清楚知道可使用的頻道容量。Recover the spectrums first. when analogue transmission had been switched off, then deploy more frequencies for additional multiplexes of sfn or mfn and allowing more capacity for programme providers and additional services
當模擬輸送終止后，騰空出的頻譜可為節目供應商及附加服務供應商提供更多頻譜容量，以推出額外的單頻網路或多頻網路數碼頻道。Based on these advantages we analyze the performance of constant - power variable - rate m - qam schemes for spectrally efficient data transmission over nmf channels. by introducing the adaptive modulation approach, we gain two things : 1 ) the error rate is kept at a constant level. 2 ) the achievable spectral efficiency comes within 5 db of the shannon capacity limit. at the last chapter, the presentation of a single base station and a single mobile scenario proved the feasibility of adaptive schemes
然後作者的精力轉入通道的自適應方案的研究中，首先通過研究發現nakagami衰落因子的適當調整可以近似於常見的瑞利衰落和萊斯衰落，接著研究在無線通道中採用三種不同自適應方案時的通道容量，研究表明速率的調整是增加通道容量的關鍵，在此基礎上，著重研究了離散變速率qam的情況，表明這種調制方案無論在頻帶利用率還是在系統平均誤碼率比其它情況提高很多。You can adjust your maximum channel size for our channel after logging onto avantgo s website
您可於avantgo網頁調校有關頻道容量。Spare capacity might be used by other content providers, i. e. programme or additional services providers, at an agreeable cost and according to market needs and demand
多餘的頻道容量可由其他內容供應商如節目或附加服務供應商使用，按照雙方協議的成本以及配合市場的需求提供服務。The difference among spatial domain watermarking, watermarking based on fractals and frequency domain watermarking are analyzed. chapter 3 describes the theoretical capacity measures for information hiding based on still image
利用直接擴頻技術把被隱藏信息轉換為嵌入信號並將它嵌入選定的靜止圖像的dct系數中，對水印通道容量進行計算。分享友人