The pulse spectrum broadening and dispersion compensation compression phenomenon when focusing the laser pulse into bulk media are experimentally investigated.
实验研究了超强超短飞秒激光脉冲在经过块状介质后的光谱展宽和色散补偿压缩现象。
We study the sidelobe suppression for the pulse compression of the LFM signal, and analyze the spectrum weighting and the impulse response weighting method.
本文研究了线性调频信号脉冲压缩的旁瓣抑制问题，分析了频谱加权法和冲激响应加权法的原理。对两种方法的谱平滑效果。
The infrared spectrum of sulfate ligins is distinctly changed after they are sulfonated and modified under an ordinary pressure or a compression.
硫酸盐木素经常压和加压磺化改性后，其红外光谱特征有明显改变。
Then, a method exploiting the techniques of intersection of spectrum and multi-channel synthesis is presented to fulfill the pulse compression of the ultra-wideband signal.
在研究匹配滤波和重采样原理的基础上，利用频带分割和多通道综合技术实现超宽带信号的脉冲压缩。
Compared with the other spread spectrum algorithm, this one is more robust against the typical image processing attacks such as adding noise, filtering and JPEG compression.
水印对剪切、JPEG有损压缩、中值滤波、抵抗噪声干扰等常规图像处理手段比较其他的随机序列扩频算法具有更好的鲁棒性。
Compared with the other spread spectrum algorithm, this one is more robust against the typical image processing attacks such as adding noise, filtering and JPEG compression.
水印对剪切、JPEG有损压缩、中值滤波、抵抗噪声干扰等常规图像处理手段比较其他的随机序列扩频算法具有更好的鲁棒性。
应用推荐