demodulation circuit造句
例句与造句
- Amplitude modulation and demodulation circuit
振幅复?调回路 - An adaptive demodulation circuit is also given to reduce the affection of the noise , the interference and the instability of the signal
目前，采用自适应检波电路的处理机己经在工业用避碰雷达中获得应用。 - The thesis studies the principle on the ppm modulation and demodulation , and analyses the performance of the ppm signal demodulation circuits and designs corresponding circuits
研究了ppm调制与解调原理，分析了ppm信号解调电路系统性能并进行了电路设计。 - It is comprised of short message processor and tfaas application . the former is concerned on software for at89c51 and other hardware which include fsk demodulation circuit soft keyboard circuit and so on
短信处理器由89c51软件和相应硬件组成，包括fsk解调电路、软键盘电路等。 89c51软件主要完成短信接收和分析并将采集数据进行发送。 - In the modulation / demodulation circuits , cpld is selected as platform of the digital logic part , which includes series - shunt / shunt - series transform , difference coding and sample verdict
调制/解调电路中，串并/并串变换、差分编/解码和抽样判决等数字逻辑部分是以cpld作为开发平台，论文给出了实现上述功能的vhdl程序及仿真、测试结果。 - It's difficult to find demodulation circuit in a sentence. 用demodulation circuit造句挺难的
- The reason for the problem , which consists in some error of the old phase - demodulation circuit , is found out by computer simulation in this dissertation . then a new phase - demodulation circuit is designed and the problem settled
本文通过对机抖陀螺进行计算机仿真，查明了问题产生的根源在于原有鉴相电路设计有误，并设计了新的鉴相电路，从根本上解决了该问题。 - It presents the mathematical models for the ppm modulation and demodulation circuits system . author gives out the conditions of linear modulation and demodulation , and educes its connection between the modulation factor and maximal laser frequency excursion
建立了ppm调制与解调的数学模型，给出了实现线性调制与解调的条件以及调制深度与最大激光频率偏移之间的关系。 - The demodulation circuit interfaced with the local bus , demodulates the signals transmitted on the pstn and restores the acquired data . in order to work nomally , hardware needs cooperation with software . the driver for pci demodulator has been developed
本地总线上挂接解调电路，对传输来的信号进行解调，恢复采集的数据。硬件需有软件的配合才能正常的工作，因此为pci解调器设计了驱动程序。 - Finally , this paper brings forward to the betterment means for making sensor probe . the circuit of signal procession module are introduced . it expounds the important parts , for example , design of oscillatory , design of demodulation circuit , design of signal filter circuit
介绍了研制的传感器信号处理模块电路，对电路中的重要部分如：高稳振荡源的设计、检波电路设计、滤波电路设计等都有详细说明。 - Thus the principle to deal with the four basic waveforms is put forward and a new phase - demodulation circuit is designed . experiments for the two circuits on same gyros are made and they indicate clearly that the mdrlg ' s null - shift problem consists in the faultiness of the old phase - demodulation circuit
在此基础上，提出了处理计数信号过锁区波形的基本原则，进而设计了新的鉴相电路，并在同一陀螺上对两鉴相电路进行了对比实验。 - Firstly , the temperature varies in a large range in the place where the gap sensor works , so this paper analyzes the temperature drift of gap sensor , and finds out that the main reasons which result in temperature drift are the resistance of detecting coil and demodulating circuit parameters . to resolve this problem , a practical design of detecting coil is given , and a compensative measure considering the detecting coil and demodulation circuit is proposed to improve the temperature stability of gap sensor
首先,针对间隙传感器工作环境温度变化较大的情况,本文对间隙传感器温度漂移现象进行了分析,认为检测线圈电阻和检波电路参数变化是造成传感器温漂的主要原因,建立了检测线圈的数学模型,提出了检测线圈和检波电路综合补偿方法,解决了间隙传感器的输出信号温度稳定性的问题。 - 3 . with comprehensive improvement of transponder including structural adjustment to lna ; optimization of ( phase locked loop ) pll filter ; structural adjustment to the transmitter and phase error adjustment to the intermediate frequency demodulation circuit , we have successfully enhanced sensitivity , expanded dynamic range , increased transmitting power and improved the spectrum purity ; decreased capture time for pll ; improved the signal quality after demodulation ; reduced its volume and power consumption . 4
3 、对通信机的全面改进，包括lna结构的调整、锁相环环路滤波器的优化、发射部分结构的调整以及中频解调电路的相差调整，提高了系统的接收灵敏度、改善了本振的频谱纯度、减少了锁相环的锁定时间、使中频解调后的信号质量大为提高，同时还减少了体积、节约了系统的功耗。 - Eddy - current sensor conversion circuit consist amplification circuit , band - pass filter circuit , demodulation circuit , differentiation phase and data sampling circuit . these circuits are used to convert the test signal of eddy - current sensor to discrete signal tend to process . the microprocessor system that formed of dsp chip is used to data fitting of test system , data displaying and data communicating with personal computer , etc . the interference questions of hardware design and the measure of eliminating interference signal in the subject are introduced in the last of this chapter
硬件电路的设计主要分三大部分来实现：激励源电路部分，由分频电路和频率合成电路组成，产生频率稳定的激励信号以确保检测任务的正常进行；传感器变换电路部分，由放大电路、滤波电路、检波电路、鉴相电路和数据采集电路组成，主要将电涡流传感器检测线圈检测到的信号变换成只含有被测信息的离散信号，易于后续电路处理；由dsp芯片构成的微处理系统，主要完成检测系统的数据拟合、显示及与主机通信等功能。 - Firstly , computer model of mdrlg is set up for simulation purpose . by simulation about the two output signals of mdrlg , four basic waveforms between the two signals in lock - in area are found out and the fact is discovered that the old phase - demodulation circuit introduces errors when it is used for demodulating two of the four basic waveforms
本文首先建立了机抖陀螺的计算机仿真模型，利用该模型对陀螺两路计数信号及原有鉴相电路进行了仿真，发现两路计数信号过锁区时存在四种基本波形，且原有鉴相电路对其中两种波形产生鉴相误差。
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