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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,比如基於載波調製的成形技術、Hermite脈衝成形技術和高斯脈衝成形技術等。
- 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於高斯脈衝,meyer小波性能較差。
- The bistable hysteresis loops with Gaussian pulse pumps is obtained by using nonlinear FDTD method. 利用非線性時域有限差分數值模擬方法,得到了高斯脈衝激勵下的雙穩態響應曲線。
- 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,並且越容易出現調製現象。
- The pulse shape was smoothed by intrapulse stimulated Raman scattering. 脈衝內拉曼散射對脈衝有平滑作用;
- 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光脈衝作用下;其輸出脈衝上升時間為 400ps.;半峰寬為1
- In this paper,the suppression of frequency shifting by sliding filters in dispersion-managed soliton system with the Gaussian pulse has been studied. 利用有關理論研究了脈衝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的抑制。
- Two pulse generators, the Gaussian pulse generator and the monocycle generator, are designed, fabricated, and experimentally demonstrated. 接著設計可產生高斯脈衝及單周期脈衝的脈衝產生器。
- 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,模擬了色散和非線性效應對超高斯脈衝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. 以微分高斯脈衝為激勵源,用演算法公式所得的電磁波透射係數來討論了溫度、等離子體層密度對其禁帶特性的影響。
- The aberration characteristic of pulse shape coming of FOD is different from SOD and TOD. FOD導致脈衝形狀發生了畸變,畸變特點不同於二、三階色散;
- 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. 設計了一種超寬頻高斯脈衝的脈衝發生器,此脈衝發生器主要由階躍恢復二極體,FET管和肖特基二極體組成。
- The numerical simulation on pulse shape of two-cell SBS system was made and agreed with the experimental results well. 對雙池受激布里淵散射系統的脈衝波形進行了數值模擬,理論計算結果與實驗符合得很好。
- 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)超寬頻( UWB )無線系統使用五分之一衍生波形方程的高斯脈衝。
- This procedure has a time, a wide range of output pulse shape, control multiple relays. 本程序有計時;脈衝波形多種輸出;控制多個繼電器.
- As PRF increases,the BER performance of this UWB system is much degraded under the conditions of fixed L and pulse shape. 當固定 L 和脈衝波形時,增大 PRF 將大大降低 UWB 系統 BER 性能。
- The evolutionary rules of the temporal pulse shape modulation, spectrum modulation and the intensity factor are reported. 通過數值模擬, 分析了時間調製、光譜調製以及強度的演化規律。
- However, temporal pulse shape modulation will exist due to the pulse coherence for chirped stacking pulse, and spectrum modulation will exist too. 但這種堆積啁啾脈衝在時間上由於相干而存在時間調製, 同時也將導致光譜存在調製。
- Selection of laser pulse shape, pulse duration, flux density are discussed in pulsed laser microwelding and the experimental results are given. 討論了脈衝激光微型焊接中;對於激光的脈衝形狀、激光脈衝寬度、激光通量密度等的選擇;並給出了實驗結果.
- Theoretical research and numeric model of dispersion compensation of chirped super Gaussian pulses are presented, using chirped fiber grating with the apodization of parabola squared function. 採用拋物平方變跡啁啾光纖光柵,對超高斯脈衝的色散補償特性進行了理論分析和數值模擬。