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- ultra wideband pulse 超宽带脉冲
- Ultra Wideband(UWB) radio technology is a technological advancement through using narrow nanosecond or subnanosecond pulse as transmission carrier. 超宽带无线通信技术是一种利用纳秒及亚纳秒量级的极窄脉冲作为传输载体的无线技术。
- SRD);Technical characteristics for SRD equipment using Ultra Wideband technology(UWB). 国家无线电监测中心.;超宽带(UWB)系统电磁兼容分析
- ETSI EN 302 500-1 Electromagnetic compatibility and Radio spectrum Matters(ERM);Short Range Devices (SRD) using Ultra Wideband(UWB) technology. 李唐,刘亚峰.;超宽带无线通信技术概述
- The Effect of Pulse Shape on Ultra- Wideband System 脉冲波形对超宽带系统性能的影响
- Chen Xiaomin and Kiaei Sayfe, “Monocycle Shapes for Ultra Wideband System,” IEEE International Symposium on, Vol. 1, pp. 597-600, 2002. “超宽频连接技术之发展前景”,零组件杂志,第一四三期,第44-49页,2003。
- The modulation of SBS pulse shape tends to occur with a short phonon lifetime. 声子寿命越短,SBS波形前沿就越陡,并且越容易出现调制现象。
- The pulse shape was smoothed by intrapulse stimulated Raman scattering. 脉冲内拉曼散射对脉冲有平滑作用;
- The simulation result of three level coded ultra wideband systems show that the bit error performance has been improved prominently compared with uncoded situation. 三层编码的超宽带系统的误码性能仿真表明:比较未编码系统,误码性能得到明显的改善;
- Ultra wideband (UWB) transmission is adopted in the specific of 802.15 3a for wireless personal area network (WPAN) and applied to multimedia communications. 最新的无线个人区域网路标准802.;153a采用超宽频技术来传输多媒体资讯。
- The ultra wideband (UWB) radio models have been introduced with pulse-position-modulation (PPM), on-off-keying (OOK) and pulse-amplitude-modulation (PAM). 分析了超宽带冲激无线电的脉位调制、通断键控调制和脉冲幅度调制的信号模型。
- At fisrt, wideband pulse responses of metallic rectangular, multi-stage cascaded enclosure with multiple rectangular apertures illuminated by a high power EMP are investigated numerically. 首先,我们用数值法研究了超大功率超宽带电磁脉冲照射下的含有多个方形孔缝的多层级联矩形金属屏蔽腔,得到其屏蔽效能的计算方法。
- The aberration characteristic of pulse shape coming of FOD is different from SOD and TOD. FOD导致脉冲形状发生了畸变,畸变特点不同于二、三阶色散;
- The numerical simulation on pulse shape of two-cell SBS system was made and agreed with the experimental results well. 对双池受激布里渊散射系统的脉冲波形进行了数值模拟,理论计算结果与实验符合得很好。
- Ultra WideBand Synthetic Aperture Radar (UWB-SAR) has a broad military application because it can produce fine image of concealed targets with the capability of penetrating the foliage and the earth surface. 超宽带合成孔径雷达(UWB-SAR)能够穿透叶簇和地表对隐蔽目标高分辨成像,具有广阔的军事应用前景。
- This procedure has a time, a wide range of output pulse shape, control multiple relays. 本程序有计时;脉冲波形多种输出;控制多个继电器.
- As PRF increases,the BER performance of this UWB system is much degraded under the conditions of fixed L and pulse shape. 当固定 L 和脉冲波形时,增大 PRF 将大大降低 UWB 系统 BER 性能。
- The evolutionary rules of the temporal pulse shape modulation, spectrum modulation and the intensity factor are reported. 通过数值模拟, 分析了时间调制、光谱调制以及强度的演化规律。
- Packet Radio Networks Based on Ultra Wideband Radio 采用超宽带无线电技术的军用分组无线网
- However, temporal pulse shape modulation will exist due to the pulse coherence for chirped stacking pulse, and spectrum modulation will exist too. 但这种堆积啁啾脉冲在时间上由于相干而存在时间调制, 同时也将导致光谱存在调制。