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- 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 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
- 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。
- It is well known that the SAR echo can be considered as a linear FM signal,so does the echo of moving targets.The square modulus of linear FM signal has high energy centrality in the ambiguity domain. 近似為線(xiàn)性調頻信號的SAR運動(dòng)目標回波信號的模糊度函數在模糊平面內具有很高的能量集中性。
- 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 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。
- 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。
- the linear FM distortion is <3. 5%. 調頻非線(xiàn)性失真小于3.;5%25
- 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。
- linear FM stepped-frequency signal 線(xiàn)性調頻步進(jìn)信號
- 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。
- A SOLUTION TO THE LINEAR FM PULSE COMPRESSION SYSTEM BY USING THE DISPERSIVE DELAY LINE 色散型延遲線(xiàn)實(shí)現線(xiàn)性調頻脈沖壓縮
- A High Accurate Linear FM and PM Signal Source Based on DDS 高精度線(xiàn)性調頻調相信號源
- Fast Signal Processing of Sawtooth Waveform Linear FM Fix Distance System 鋸齒波線(xiàn)性調頻定距系統的快速信號處理
- Linear FM pulse compression 線(xiàn)性調頻脈沖壓縮
- 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. 采用拋物平方變跡啁啾光纖光柵,對超高斯脈沖的色散補償特性進(jìn)行了理論分析和數值模擬。
- The detailed physical process of the group-velocity dispersion-induced initial frequency chirped Gaussian pulses broadening is studied through solving non-linear Schrodinger equation. 通過(guò)求解非線(xiàn)性薛定諤方程,研究了線(xiàn)性光纖中色散導致的具有初始頻率啁啾的高斯脈沖展寬的詳細物理過(guò)程。
- An unwanted false electronic pulse. 一種不希望有的假電子脈沖。
