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FiberGratingSpectra
- 传输矩阵法计算啁啾光栅反射谱 本节中给出传输矩阵法计算啁啾光栅反射谱和 时延的完整M at lab 程序实例, 本段代码在 M at lab513 和W indow s2000 环境中运行通过。运行结果如图8 所示。可以改变光栅长度、有效折射率、折射率调制深度、啁啾系数等参数来获得不同参数下光栅反射谱和时延曲线。如果打开“％ 切趾”行的屏蔽符“％ ”则可得到切趾后光栅反射谱和时延特性曲线, 此时计算所得的曲线将比图8 中所示的曲线平滑很多。-Transfer matrix metho
Correlator
- a program is generating a signal (harmonic or chirp signal (linear-frequency modulation)) for performing correlation function, which was noised by gaussian or with a noise has a uniform distribution with appropriate parameters (expectation value and
SARAutoFocus
- Wavelength at carrier frequency Tr=1.5e-6 chirp pusle duration 1.5us Br=150e6 chirp frequebcy bandwidth 150Mhz Kr=Br/Tr chirp rate observating strip parameters Rc=3000 Range distance to center of target area,3000m R0=150 Target area in
Chirp_ESA
- 运用离散幅度变换对二次调频信号进行参数估计-Use Discrete Amplitude Transform to estimate parameters of a chirp signal
amg_chirprate
- fft相关法估计chirp信号调频率，一种高效的线性调频信号参数估计方法-A highly efficient linear FM signal parameters estimation method
pinpufenxiyi
- 这是一个含有GUI界面的数字频谱分析仪。该.m文件实现了FFT和滤波器两种方法对正弦信号，线性调频信号的产生及处理。-The. M file implements two methods FFT and filters sinusoidal signal generation and processing chirp signal. And generates a GUI interface, interaction can be completed, and the process param
RA
- ra_snr_gui.m 作用：统计不同信噪比下，五种信号的峰值旁瓣比RA和低高频均值比RM，绘制结果，参考图3.11和3.12 DFCW_RA_SNR.m 作用：产生正交离散频率编码信号，并计算峰值旁瓣比RA和低高频均值比RM LFM_RA_SNR.m 作用：产生线性调频信号，并计算峰值旁瓣比RA和低高频均值比RM OFDMLFM_RA_SNR.m 作用：产生正交频分线性调频信号，并计算峰值旁瓣比RA和低高频均值比RM PC_RA_SNR.m 作用：产