查询词典 demodulation

A new type of respiratory inductive plethysmography has keen designed based on digital demodulation technique with equal relative error.

根据呼吸感应体积描记技术的调频特性，结合等精度测量原理，提出了数宇呼吸感应体积描记设计。

This method is pure software,and the code synchronization,demodulation,frame synchronization and data processing are implemented by the MCU program on one chip.

其优点是存在很强的定时分量，容易提取定时信息；同时不存在直流分量，对于大多数采用交流耦合的有线信道来说是很有利的。

The simulation results are given that, the beacon identification function and the direction finding of the radio compass cannot be influenced by DPSK modulation, and the synchronization between DPSK and the audio frequency signal is an effective approach to overcome the AM's influences on the DPSK demodulation.

仿真结果表明，DPSK不会对现有机载无线电罗盘的基本功能产生影响，利用差分数据信号与音频信号进行同步的方法进行"北斗二"差分数据传播可以有效克服AM调制对DPSK解调的影响。

The demodulation is used in the DVB receiver of Digital Video Broadcasting Satellite Transmission System.

本文所研究的正是卫星电视广播系统DVB标准接收机中数字解调的算法及其在专用集成电路芯片上的实现。

The system has a PWM-coding based self-defining communication protocol, and it uses FSK modulation and demodulation.

自定义无线通信协议，协议数据采用PWM编码，使用 FSK调制和解调方式。

In radio communications, a frequency in a superheterodyne receiver or transmitter system that enables easier filtering, distribution, modulation, and demodulation of a signal

在无线电通信技术中，超外差接收机或发送机系统中使用的一种频率，能够方便地对信号进行滤波、分配、调制和解调。

With sympathetic vibration demodulation of the vibration signal of the low-speed, high-load bearing which is realized by means of generalized harmonic wavelet transformation, the impact information of faulty hearing is extracted, which promises a new and effective method for the fault diagnosis of the bearing.

通过广义谐波小波变换实现低速重载轴承振动信号的共振解调，从而提取出故障轴承的低频冲击信息，为低速重载轴承的故障诊断提供了一种新的有效方法。

The key of this task is how could we get the orderliness of train traveling signal. There are some introduction to the analyse ways of train's approaching signal. It emphasizes on the analyse of using syntony demodulation technology to final the long-distance coming train. At the same time, it gives a preliminary analyse in the signal for different cases, takes a research on the identified technology for the coming train, designs and assembles the hardware and software of this system. All of them have got past the test on the spot and got a satisfying result""

课题中的关键是如何得到列车运行信号的特征规律，在本文中对这些列车接近信号的一些分析方法作了介绍，着重分析了采用共振解调技术发现远程来车的信号，同时针对不同情况下的信号进行了初步分析，研究了来车的识别技术，并对系统的软硬件进行了设计和组装，通过了现场试验，得到了令人满意的结果

This paper designed and made moisture content meters of both high frequency and low frequency with frequency demodulation as its principle, chip as its measuring material and uniplanar scattering-field capacitor as its sensor.

本论文分别设计并自制了以调频法为原理、以刨花为测量介质，以同面散射场电容器为测量传感器的高频含水率测试仪和低频含水率测试仪。

The 8780A vector signal generator' wideband modulation is complemented with an unmodulated coherent carrier output for demodulation of test signals.

该8780a 矢量信号发生器'宽带调制，补充了一个 unmodulated 相干载波输出解调测试信号。

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。