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- One of the key techniques is to reduce the peak-to-average power ratio(PAPR) of the OFDM-CPM system. 降低OFDM-CPM系統中的峰值平均功率比(PAPR)是關(guān)鍵技術(shù)之一。
- A simple but effective scheme to reduce the high peak-to-average power ratio (PAPR) of OFDM is presented. 摘要針對正交頻分復用(OFDM)所具有的高峰均比問(wèn)題，提出了一種簡(jiǎn)單有效的降低峰均比的非線(xiàn)性變換方法。
- Around11 pm Thursday night a explosion in the transformer system in Dailam( Tainan) caused mass power outage in all of Daiwan except Geohing( Kaohsiung) and Bingdong. 拜四暗十一點(diǎn)外臺電佇臺南左鎮一間變電所爆炸,害臺員除了高雄及屏東以外攏總停電。
- However, the major drawback of WOFDM is the peak-to-average power ratio(PAPR) problem. 然而小波正交分頻多工技術(shù)的主要缺點(diǎn)，就是有太大的峰均值功率比。
- The curve of effective power ratio shows convexity shape along with increase of rotational speed or throttling. 有效功比率隨轉速或油門(mén)開(kāi)度的增大基本成中凸狀。
- Reducing the Peak-to-Average Power Ratio(PAPR) is one of the key technologies in MC-CDMA system. 降低信號峰平比(PAPR)是多載波碼分多址(MC-CDMA)系統的關(guān)鍵技術(shù)之一。
- The increase of DP,amplitude and power ratio(PR) in the obesewere significantly higher than those in control group(P<0.01 and P<0.05). 肥胖組餐后功率及振幅增加值顯著(zhù)高于正常體重組(P<0.;01);
- The peak-to-average power ratio of orthogonal frequency division multiplexing(OFDM systems is reduced with an improved constellation extension scheme. 為降低正交頻分復用(OFDM)信號的峰均功率比,提出了改進(jìn)的星座圖擴展方法。
- However one of main problems of OFDM is its high Peak-to-Average Power Ratio (PAPR) which seriously limits performance of High Power Amplifier (HPA). 但OFDM的主要缺點(diǎn)之一是它的嚴重影響了高功率放大器（HPA）性能的高峰值平均功率比（PAPR）。
- Orthogonal Frequency Division Multiplex (OFDM);Multicarrier-Code Division Multiple Access (MC-CDMA);Peak-to-Average Power Ratio;Performance; Preferred. 08正交頻分復用;多載波碼分多址;峰平功率比;性能;優(yōu)選
- In this paper, the OFDM system which is based on fractional Fourier transform (FRFT) has been introduced, and the function of peak-to-average power ratio (PAPR) is achieved. 摘要介紹了基于分數階傅里葉變換的正交頻分復用系統，推導了該系統中峰均功率比公式。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽團。
- However, OFDM is sensitive to synchronization error and channel estimation error and it has the weakness of the high Peak-to-Average Power Ratio (PAPR) of the transmitted signal. 但是,OFDM不僅對于同步誤差和信道估計誤差非常敏感,而且還伴隨發(fā)射信號高峰平比(PAPR)的缺點(diǎn)。
- One of the major drawbacks of orthogonal frequency division multiplexing (OFDM) is the high peak-to-average power ratio (PAPR) of the transmitted OFDM signal. 正交頻分復用(OFDM)技術(shù)的一個(gè)主要缺點(diǎn)就是傳輸信號的峰值平均功率比(PAPR)較高。
- Mass Power in Network Communication 網(wǎng)絡(luò )傳播中的大眾權力
- When the sampling rate increases, the correlation increases quickly and the peak-to-average power ratio of oversampling OFDM signal changes neglectably. 隨著(zhù)過(guò)采樣率增加,采樣點(diǎn)之間相關(guān)性迅速上升,新增加采樣點(diǎn)對信號峰值平均功率比的影響下降。
- The mass rally was a total fiasco. 那次群眾集會(huì )徹底失敗。
- The king was shorn of his power by his nobles. 國王被手下的貴族們剝奪了權力。
- Let's collect the sap before its consolidation into a hard mass. 讓我們在樹(shù)液堅固成團之前將之收集起來(lái)。
- After harvest we will have a mass of rice. 秋收后，我們將獲得大量稻谷。
