In ultrasonic pressure measuring outside pipe, echo signal is disturbed by noise.
超声测压过程中信号受到噪声的干扰, 使得回波信号质量较差.
So the target echo of armor of millimeter wave is very important.
因而对装甲目的的毫米波回波特性的研讨拥有十分主要的意思.
The radar altimeter mounted on high speed vehicle demonstrateswideband doppler modulation characteristic.
安装在高速运动载体上的雷达高度表,其地面回波被一宽带多普勒信号所调制.
ECH ( Echo Canceller Hybrid System ) is used to remove sidetones.
消除侧音采用了回波相消技术.
Explanation: Why would some regions on Titan reflect very little radar?
说明: 为什麽泰坦上有些区域的雷达回波特别少 呢 ?
During an echocardiogram, reflected sound waves outline the heart's structure completely.
在心回波图检查时, 反射回来的声波会勾画出心脏的整个结构.
Mimic image comprises of radar echoes and ARPA marks.
仿真图像包括雷达回波和ARPA符号.
The now used ultrasound technology is the ultrasound pulse echo technology.
现临床所用的超声成像系统大多是利用超声脉冲回波原理成像的.
The basic principle of impact - echo method is introduced for checking concrete quality.
介绍了冲击回波法在工程质量检测中的基本原理.
Firstly , the paper constructed the signal model when the deviation exits.
建立了距离向偏移的回波信号模型.
Feature: Excellent insertion loss and return loss, Frequency response width, Low loss.
特点: 具有极佳的插入损耗和回波损耗, 频率响应宽, 损耗低等特点.
The echo of wind profiler radar is always disturbed by colored noise.
实际操作中发现,风廓线雷达回波常受到色噪声的干扰.
Finally, the simulation is the radar echo of the simulation results.
最后, 给出了雷达回波模拟的综合仿真结果.
AEC is implemented by adaptive filter.
声回波抵消通常采用由自适应滤波器组成的声回波抵消器来实现.
A new echo signal simulation method based data matrix of point object is put forward.
回波信号模拟是合成孔径雷达模拟技术的基础.