脉冲波

An echo model of ultra-high speed moving target was established,and its effect on pulse Doppler processing was analyzed.

建立了超高速运动目标的回波模型，分析了其对目标检测中脉冲多普勒处理的影响，并提出了基于匹配傅立叶变换的脉冲多普勒处理方法。

Then,the orthogonal pulse series were produced through Gram-Schmidt process using the Hermitian eigenvectors given by Hermitian matrix.

首先利用小波函数产生小于1 ns的脉冲波形；然后构造Hermitian矩阵，根据其特征向量和Gram-Schmidt过程得到UWB正交成形脉冲序列。

Finally, there is a part of the generated pulse Multivibrator Based on square wave can be generated, you can use it to generate a pulse signal.

最后还有一个部分就是脉冲的产生基于多谐振荡器可以产生方波，就可以利用它来产生脉冲信号了。

The double～probe pulse echo method, combining the advantages of transmission technique and pulse reflection method, is used to optimize the ultrasonic echo signal amplitude in case of strong attenuation of energy when ultrasonic signal transmitting in solid rocket motor grain.

采用双探头脉冲反射法，综合了穿透法和脉冲反射法的优点，实现了超声信号在固体火箭发动机药柱中传播时能量强衰减的情况下超声回波信号幅值的最优化。

This paper analyzes the distributed OS-CFAR detection with noncoherent integration of multiple pulses under the conditions of nonhomogeneous background and two local detectors.

在非均匀杂波背景中和两个局部检测器的条件下，本文分析了分布式OS-CFAR检测在多脉冲非相干积累条件下的性能，与单脉冲检测，单传感器检测以及相应的最优固定阈值检测进行了对比。

While the single nonsinusoidal radar impulse is not capable of measuring target velocity, a sequence of such pulses can be used to measure the velocity.

摘 要：单个的非正弦波脉冲没有测速能力，但一组这样的脉冲即可进行速度测量，并且速度分辨力由距离分辨力决定。

While the single nonsinusoidal radar impulse is not capable of measuring target velocity, a sequence of such pulses can be used to measure the velocity.

单个的非正弦波脉冲没有测速能力，但一组这样的脉冲即可进行速度测量，并且速度分辨力由距离分辨力决定。

This teehnology makes the pulmonary function test go well for children, especially for the children before school age, and also prorides a reliable basis for early diagnosis and early clinical treatment of respiratory diseases.In this paper, I will introduce the clinical applications of bronchiectasis test using impulse oscillometry for children.

脉冲振荡法(impulse oseillometry，10S)是近年来开展的一项肺功能检测，是以外部发生器产生矩形电磁脉冲，通过扩音器转变为各种频率的机械波作为测试源，叠加在被检者静息呼吸上，再通过计算机的复杂运算，可快速、精确得出呼吸系统总气道阻力、中心气道阻力、周围气道阻力和肺顺应性等各参数的数值。

An analog prefilter;(2) an ADC;(3) a digital pulse shaper;(4) pulse selection logic;(5) histogram logic, and 6

波器；（2）模数转换器；（3）数字脉冲整形器；（4）脉冲选择逻辑单元；（5）条带逻辑

In the third part of this paper,Aiming at the different characteristic of theextended target spectrum ,this paper discussed the detecting and precised measuring the extended spectrum of the target.

在本章的第三部分，本文针对弹载高重频脉冲多普勒体制雷达展宽回波信号频谱的不同特点，讨论了在不同条件下弹载高重频脉冲多普勒体制雷达对展宽信号频谱的检测及精确测量的问题。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。