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- Many effective methods have been presented, such as carrier modulation shaping technology, Hermite pulse shaping technology and Gaussian pulse shaping technology. 目前提出了許多方法，比如基于載波調制的成形技術(shù)、Hermite脈沖成形技術(shù)和高斯脈沖成形技術(shù)等。
- And for the BER performance dbN and coifN are better and the Meyer is worse than the Gaussian pulse. 其中,dbN和coifN小波系的誤碼率性能優(yōu)于高斯脈沖,meyer小波性能較差。
- The distance between the near Gaussian apices is controlled accurately by controlling accurately the divergence of LD. 通過(guò)對橫向偏距的精確控制,來(lái)控制相鄰高斯分布的間距。
- The bistable hysteresis loops with Gaussian pulse pumps is obtained by using nonlinear FDTD method. 利用非線(xiàn)性時(shí)域有限差分數值模擬方法，得到了高斯脈沖激勵下的雙穩態(tài)響應曲線(xiàn)。
- Transient characte-ristics of the HPT have been measured with 80 ps Gaussian pulse,and FWHM of the outputpulse is 1.20 ns with a rise time of 400 ps. 在 80 ps Gaussian光脈沖作用下;其輸出脈沖上升時(shí)間為 400ps.;半峰寬為1
- The modulation of SBS pulse shape tends to occur with a short phonon lifetime. 聲子壽命越短，SBS波形前沿就越陡，并且越容易出現調制現象。
- In this paper,the suppression of frequency shifting by sliding filters in dispersion-managed soliton system with the Gaussian pulse has been studied. 利用有關(guān)理論研究了脈沖形狀為高斯型的色散管理孤子系統中滑頻濾波器對頻率移動(dòng)的抑制。
- Base Band Interpolator Pulse Shaping (BBIPS) filter is a key component of all digital modulator. 摘要基帶內插脈沖成形(BBIPS)濾波器是全數字調制器的核心模塊之一。
- Two pulse generators, the Gaussian pulse generator and the monocycle generator, are designed, fabricated, and experimentally demonstrated. 接著(zhù)設計可產(chǎn)生高斯脈沖及單周期脈沖的脈沖產(chǎn)生器。
- The pulse shape was smoothed by intrapulse stimulated Raman scattering. 脈沖內拉曼散射對脈沖有平滑作用；
- The effect of dispersion and nonlinearity on super Gaussian pulse pumped Raman amplifiers has been studied by solving the new model. 在此模型的基礎上,仿真了色散和非線(xiàn)性效應對超高斯脈沖抽運拉曼放大器性能的影響。
- The electromagnetic propagation process of a Gaussian pulse through an unmagnetized plasma photonic crystal is investigated. 以微分高斯脈沖為激勵源,用算法公式所得的電磁波透射系數來(lái)討論了溫度、等離子體層密度對其禁帶特性的影響。
- The discrete ZAK transform and Raised cosine FIR filter are used to design time-frequency well-localized pulse shaping filters for OFDM/OQAM systems. 摘要本文提出一種利用ZAK變換及優(yōu)化的升余弦滾降濾波器設計的OFDM/OQAM系統時(shí)頻局域優(yōu)化脈沖成形濾波器。
- A new ultra-wideband(UWB) Gaussian pulse generator composed of a step recovery diode(SRD),a field-effect transistor(FET) and a Schottky diode was developed. 設計了一種超寬帶高斯脈沖的脈沖發(fā)生器,此脈沖發(fā)生器主要由階躍恢復二極管,FET管和肖特基二極管組成。
- A standard filter design requires many multiple/add operations, while a simple look-up table could realize the modulator pulse shaping filter. 標準的濾波運算帶要大量的乘加操作，然而簡(jiǎn)單的查表操作就可以實(shí)現調制器的基帶成形濾波功能。
- This m file simulates a differential phase shift keyed (DPSK) ultra wide bandwidth (UWB) system using a fifth derivative waveform equation of a Gaussian pulse. (譯)：這米文件模擬差分相移鍵控（差分相移鍵控）超寬帶（ UWB ）無(wú)線(xiàn)系統使用五分之一衍生波形方程的高斯脈沖。
- The out-of-band emission in wireless OFDM can also be reduced.The second one is using Discrete Prolate Spheroidal Sequences (DPSS) to design pulse shaping filters. 另一種是基于正交的離散長(cháng)球面序列DPSS（Discrete Prolate Spheroidal Sequences）的OFDM/OQAM系統時(shí)頻局域優(yōu)化脈沖成形濾波器設計方法。
- Femtosecond spectral holography technique and new applications of femtosecond pulse shaping with space-time conversion in femtosecond chemistry are presented. 主要介紹飛秒光譜全息技術(shù)及飛秒脈沖時(shí)空變換整形在飛秒化學(xué)領(lǐng)域的最新應用。
- Femtosecond spectral holography is a very important technique of femtosecond pulse shaping, which permits storage, recalling and processing of femtosecond pulse signals. 飛秒光譜全息是飛秒脈沖整形技術(shù)中非常重要的一種方法，它可以實(shí)現飛秒脈沖信號的記錄、再現和處理。
- We introduce the principle of THz wave shaping and research development here.The waveform control of THz radiation can be fulfilled via the femtosecond laser pulse shaping. 介紹了利用激光脈沖整形對太赫茲波整形的原理和實(shí)驗研究進(jìn)展，通過(guò)對激發(fā)太赫茲輻射的飛秒激光脈沖整形，可以實(shí)現對太赫茲整形的控制。
