中英
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spectrum efficiency中文是什么意思
- 中文翻譯
- 造句
- 譜效率
- a spectrum of 連續(xù)的，連串的
- spectrum n. (pl. -tra ) 1.【物理學(xué)】譜，光譜；波譜；能譜，質(zhì)譜。 2.【無線電】射頻頻譜；無線電(信號)頻譜。 3.【心理學(xué)】(眼睛的)余像；殘像。 4.〔轉(zhuǎn)義〕范圍，幅度；(連續(xù)的)系列。 an absorption spectrum 吸收(光)譜。 a bright line spectrum 線狀光譜。 an optical spectrum 光譜。 a solar spectrum 太陽光譜。 a wide spectrum of opinion 意見的不同幅度甚大。
- efficiency n. 1.功效。 2.效率；效能；實(shí)力，能力。 3.【物理學(xué)】性能。
- combined efficiency; overall efficiency 總效率
- gross efficiency; overall efficiency 總效率
- absorption spectrum 吸聲頻譜; 吸收波譜; 吸收光譜，吸收譜; 吸收頻譜; 吸收譜
- accelerated spectrum 加速頻譜
- acceleration spectrum 加速度譜
- acceptor spectrum 受主光譜
- acoustic spectrum 聲譜
- action spectrum 動作光譜; 活動光譜; 酌譜; 作用光譜
- aerosol spectrum 氣溶膠光譜
- af spectrum 聲頻頻譜
- afrika spectrum 非洲研究
- age spectrum 年齡譜
- allowed spectrum 容許光譜; 容許譜
- alpha spectrum α譜; α射線譜; 粒子譜; 射線譜
- alpharay spectrum α射線譜
- amplitude spectrum 變幅譜; 幅值譜; 振幅頻譜; 振幅譜
- analysis of spectrum 譜分析
- analysis, spectrum 光譜分析
- analyzer, spectrum 頻譜分析儀
- anelastic spectrum 滯彈性譜
- angular spectrum 角頻譜; 角譜
- anisotropic spectrum 各向異性光譜
- Experimental results of computer simulation also show that it can get very high spectrum efficiency
計(jì)算機(jī)仿真證明了該方法設(shè)計(jì)的cdma擴(kuò)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。 - 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(rèn)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(diǎn)。 - 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(kuò)展由于物體的運(yùn)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(shí)現(xiàn)簡單等優(yōu)點(diǎn)，近年來受到廣泛關(guān)注。
- spectrum efficiencyとは意味：スペクトル効率｛こうりつ｝
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