1.
Anti-noise Performance Analysis to AM System with Synchronous Detection and Envelope Detection
同步检波和包络检波下的AM系统抗噪声性能分析
2.
The Research of Wrap Demodulation in Digital AM Broadcasting System
数字调幅广播系统中包络检波方法的研究
3.
On the Simulation Experiment of Diode Envelope Detection Realized by Computer
用计算机实现二极管包络检波的仿真实验
4.
Virtual Design on Weak Signal Envelope Detector Based on Pspice
基于Pspice的小信号包络检波器的虚拟设计
5.
THE RMS BANDWIDTH OF NONLINEAR ENVELOPE DETECTOR AND ITS APPLICATION TOCHANNEL MEASUREMENT
非线性包络检波器的均方根带宽及其在信道测量中的应用
6.
Simulation analysis of detection of crack location in a steel beam by using wavelet packet-neural networks
模型钢梁裂缝检测的小波包网络仿真
7.
Integrated Method of Multi-Target Detection and DOA Estimation by Exploiting Knowledge of Beam-Spectra Envelope
基于波束包络信息的多目标检测与方位估计一体化方法
8.
An Ultrasonic Intruder Detection Method Based on Echo Envelope
基于回波包络的超声波入侵探测方法
9.
Envelope Interaction in Wave Group and Wave Group Properties Study
波群中波包络相互作用及波群特性的研究
10.
Network anomal detection wavelet neural network based on QPSO
基于QPSO小波神经网络的网络异常检测
11.
The sum of these two waves has an envelope, and as the waves travel along, the envelope rides on them at different speed.
两列波之和有一个包络，当两列波行进时，包络以不同的速率前进。
12.
These solutions may be reduced to the envelope solitary wave solutions under some conditions.
由这种方法得到的包络周期解在一定条件下可以退化为包络冲击波解或包络孤立波解.
13.
Rolling Bearings Fault Diagnosis by Using Wavelet Packet and Envelope Analysis
应用小波包和包络分析的滚动轴承故障诊断
14.
The Application of Wavelet Packet in the Detection of Voltage Sag;
小波包分析在电压暂降检测中的应用
15.
Numerical simulation on the factors influencing duration time of S wave envelope
S波包络时间差影响因素的数值分析
16.
Envelope periodic and solitary solutions of Davey-Stewartson equation
Davey-Stewartson方程组的包络周期解和孤立波解
17.
Successive positions of the wave front are then given by the envelopes of the secondary waves.
因此波前的相继位置即为次波的包络面。
18.
The initial investigation included chest X-ray and chest ultrasound.
刚开始的检查包括胸部X光及超音波检查。