spectrum efficiency造句
例句與造句
- experimental results of computer simulation also show that it can get very high spectrum efficiency
計算機仿真證明了該方法設(shè)計的cdma擴展碼性能的優(yōu)越性。 - this will significantly improve spectrum efficiency, thus enabling the provision of wider programming choice within the same bandwidth
這將會大大改善頻譜使用的效率，因此，在相同的頻寬內(nèi)可為用戶提供更多的節(jié)目選擇。 - to transmit with faster speed, higher spectrum efficiency and finer channel granularity is the requirement to the physical layer technologies
對于物理層的要求則是更高的傳輸速率，更高頻譜利用率以及更小的信道粒度。 - the newly developing transmit diversity and space-time codes are just one of the most important schemes to improve wireless spectrum efficiency
而近年來提出的發(fā)射分集和空時碼就是能夠有效提高無線頻譜利用率最重要的方案之一。 - this will significantly improve spectrum efficiency, thus enabling the provision of wider programming choice within the same bandwidth . better picture and sound quality
這將會大大改善頻譜使用的效率，因此，在相同的頻寬內(nèi)可為用戶提供更多的節(jié)目選擇。 - It's difficult to find spectrum efficiency in a sentence. 用spectrum efficiency造句挺難的
- so will it do in the future . it spurs us to develop highly efficient coding, modulation and signal processing techniques to improve the wireless frequency spectrum efficiency
這種挑戰(zhàn)使得人們努力開發(fā)高效的編碼、調(diào)制以及信號處理技術(shù)來提高無線頻率的效率。 - the multiple-input multiple-output ( mimo ) technology is considered as one of the most promising breakthrough technology to improve system performance, enhance the capacity and spectrum efficiency
多入多出(mimo)技術(shù)被認為是現(xiàn)代通信技術(shù)中的重大突破之一,越來越成為無線通信領(lǐng)域的研究熱點。 - but the spectrum efficiency of the traditional ofdm system is limited due to variance of channel parameters such as channel response and rms delay spread
但是，決定通信系統(tǒng)調(diào)制參數(shù)的信道響應(yīng)和rms時延擴展由于物體的運動或者環(huán)境的變化而動態(tài)變化，傳統(tǒng)的靜態(tài)確定ofdm系統(tǒng)調(diào)制參數(shù)的方法的頻譜效率不夠高。 - the increasing demand for capacity and quality motivates the need for new techniques to improve spectrum utilization . the use of adaptive antennas is one area that shows promise for increasing spectrum efficiency
隨著移動通信的飛速發(fā)展，自適應(yīng)天線作為一種有效提高頻譜利用率的技術(shù)正受到廣泛的研究。 - ofdm, with the advantage of high spectrum efficiency and easy realization, can strongly combat multi-path and dispersive channel interference, so its application is remarkable in recent years
正交頻分復(fù)用(ofdm)技術(shù)具有抗多徑時延、抗信道衰落、頻譜利用率高、硬件實現(xiàn)簡單等優(yōu)點，近年來受到廣泛關(guān)注。 - mimo-ofdm has been regarded as the key technology of b3g communication system because it can improve system capacity and spectrum efficiency . however, ofdm is very sensitive to frequency offset
由于能夠顯著改善頻譜效率、提高數(shù)據(jù)傳輸速率和系統(tǒng)容量,mimo-ofdm技術(shù)被廣泛認為是后三代移動通信系統(tǒng)(b3g)的關(guān)鍵技術(shù)。 - the simulation results of wcdma uplink is presented and analyzed . it shows that the combined power and rate control scheme achieve good spectrum efficiency and keep the data rate constant over long time periods
仿真結(jié)果顯示我們提出的基于sir平衡的功率速率聯(lián)合控制方案使系統(tǒng)有很好的頻譜效率并在長時間保持數(shù)據(jù)速率為一個恒定值。 - multiple input multiple output ( mimo ) system is a great breakthrough in wireless communications, which can greatly increase the channel capacity and spectrum efficiency without occupying any more bandwidth
多輸入多輸出(mimo)系統(tǒng)是無線通信領(lǐng)域內(nèi)的重大突破。該技術(shù)能在不增加帶寬的情況下成倍地提高通信系統(tǒng)的容量和頻譜利用率,是新一代無線通信系統(tǒng)必須采用的關(guān)鍵技術(shù)。
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