查询词典 demodulated

By applying the difference arithmetic to solve the differential vibration model of the single-degree-of-freedom,the acceleration responses of the vibrated bevel wheel was calculated.The bevel wheel contact fault was simulated by taking it as the impulsion loading in local point.By using techniques of wavelet de-noising and demodulated resonance,gear contact character information was picked up successfully.

从齿轮的单自由度振动模型出发，运用差分算法对模型进行求解，得到斜齿轮的振动加速度响应，将齿面接触型故障等效为在局部点突加一个冲击载荷，对齿轮齿面接触型故障进行了仿真，利用小波降噪和共振解调技术分别对仿真的染噪振动加速度信号进行处理，成功地提取了轮齿接触故障的信息。

The correlation detection using the periodicity of the direct sequence autocorrelation function can estimate the symbol period at intermediate frequency or at baseband. Simulation results indicate that the former is superior to the latter when the demodulated frequency is unequal to the carrier frequency.

时域相关检测方法利用扩频信号的周期自相关特性，能在中频和基带对扩频码周期进行估计，仿真结果表明中频检测时性能较好。

Through the interferencing light intensity under a sine-wave modulation signal analysis, the output signal of fiber-optic gyroscope is demodulated. And then the change of the output signal of gyro is gotten. Through the analysis of the change we know that the effect of residuary intensity modulation on the performance of Interferometric Fiber Optic Gyroscope is related with the precision and accuracy requirements of IFOG. The higher precision, the more obvious effect.

本文首先通过正弦波调制下干涉信号光强分析解调出光纤陀螺的输出信号，进而得出残余强度调制存在的情况下陀螺输出信号的变化情况，同时，通过分析陀螺信号的变化说明残余强度调制对光纤陀螺性能的影响与陀螺精度要求有关，精度越高，其影响越明显。

By sampling echo signal demodulated and A/D transform, sampling value is transmitted to SCM for compare, division, calculation, and exporting gain code to control signal range; furthermore controlling the AGC circuit, realizing amplification control to echo signal, consequently stabilitate the signal range in a window for the later circuit.

通过对检波后的回波信号进行采样，经过A/D变换，采样值送入单片机内部进行比较、判别、计算，然后输出可控制信号幅度的增益码去控制AGC电路的受控级，实现对回波信号的增益控制，从而使得输出信号幅值稳定在一个窗口内，供后续电路处理。

The whole PWM circuit contains two subcircuit, the front-end is PWM module that make up of the counter that based on nine MOSFET True-Single-Phase-Clock D flip-flop; the back-end is demodulated module, which is consist of a three order Chebyshev low-pass filter used trans-conductor capacitor. All the subcircuits are simulated. At last, an approving simulated result of the whole circuit is given too.

在调制部分，利用九管单相时钟D触发器构成计数器，并由此组成了脉冲宽度调制电路，同时给出了在典型温度下的仿真结果；在解调部分，介绍了低通滤波器从无源到有源的设计方法，设计了三阶切比雪夫低通跨导电容滤波器，同样给出了相应的仿真结果；最后，作为将脉冲宽度调制电路和滤波器作为整体电路，以脉冲调频波为输入进行了仿真，取得了令人满意的结果。

This paper introduced rolling bearing fault diagnosis based on demodulated resonance technique and neural network.

摘 要：介绍了一种基于共振解调与神经网络技术的滚动轴承故障诊断方法。

The results show that the performance of the detector is not affected by the received power of the demodulated signal.

首先论述该检测具有较强的多址干扰抑制能力，其性能不受解调信号的接收功率影响。

Theoretical and simulating results show that DS/SS signal can be demodulated efficiently by using this method.

研究了混沌二相码序列在雷达波形设计中的应用。

With Hilbert transformation the signal can be demodulated, and can get the torsional vibration signal..

通过对实验系统简化模型的动力学研究，分析了系统在

In the experiment, 40 Gb/s DPSK signal was demodulated successfully, and the extinction of the demodulated signal is 14.5 dB.

实验中实现了40 Gb/s差分相移键控信号的解调，解调信号消光比为14.5 dB，温度控制实现了输出结果的长时间稳定，并可在相长干涉和相消干涉之间转换。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。