In the receiver, a novel digital method is proposed to demodulate the 2rc CPFSK signal.
在接收机中,使用了一种新颖的数字解调方法实现2rcCPFSK信号的解调。
This paper presents a new algorithm used to demodulate high code rate DQPSK telemetry signal by digital frequency measurement.
本文根据高码速率DQPSK遥测信号的特点,介绍了一种通过数字瞬时测频来完成对高码速率DQPSK信号解调的方法。
To overcome this problem, we think to digitized the signal at medium frequency, even RF, and then demodulate it in digital domain.
为克服这一问题,人们考虑在中频,甚至射频就对信号数字化,再在数字域内进行解调。
But it's difficult to demodulate the light signal and encapsulate the FBG when the dynamic strain inside the concrete is measured.
但是将光纤光栅传感器埋入混凝土中,进行动态应变测量,尚存在诸如解调、封装等工程技术难题有待解决。
CDMA system is a full synchronous system. In order effectively to demodulate the signal in the air, it is required to set the searching window.
CD MA系统是一个全同步系统,为了有效解调空中信号,需合理设置搜索窗口。
If the length of its cyclic prefix is larger than the delay spread of transmission channel, we can get a simple frequency equalizer to demodulate OFDM signal.
对于传统的OFDM系统来说,如果循环前缀的长度大于信道的时延扩散值,则可以通过简单的频域均衡来解调OF DM信号。
The experiment result demonstrates that in the non real time demodulating process, the 2FSK algorithm is able to demodulate the transmitted data with an upper veracity.
在实际的硬件实验中,完成了2FSK调制解调的自环测试。 试验结果表明:在非实时解调的过程中,该调制解调算法具有较高的准确性,能够正确解调出发送的数据。
When Fourier transform is used to demodulate the modulated fringe pattern, the phase of deformation is calculated and furthermore the deformation is measured accurately.
利用傅里叶变换法,解调出了变形场的相位,从而实现了物体变形场的精确测量。
Sample synchronization is a basic problem whether Software Radio Receiver systems can demodulate the received signal correctly, it also affects the performance of the system.
软件无线电接收机是否能正确的解调接收信号,样值同步是需要解决的基本问题之一,其好坏将直接影响系统性能。
According to the spectral feature of the signal generated by the multiplexed fiber Bragg grating (FBG) sensors, image spectrometry is proposed to demodulate multiplexed signal.
根据光纤光栅多传感器复用时信号的光谱特征,提出了采用成像光谱技术对复用信号进行解调的方案。
The theory analysis and experiment demodulate that the FBG flowmeter system has advantages, such as temperature independent, intrinsical safe, wide measurement rang and high precision.
理论分析和实验结果表明,该传感系统具有温度不敏感、本征安全、量程大和精度高等优点。
Realizes V. 29 signal basic modulate and demodulate procedure which includes square root raised cosine rolling-off shaping filter and orthogonal channel signal modulator and demodulator.
分别实现了V.29信号基本调制解调过程,包括平方根升余弦滚降脉冲成形技术的滤波器实现,以及对信号的正交调制与解调过程。
In order to demodulate optic fiber Fabry-Perot sensors multiplexed in parallel with high accuracy and absolute cavity length, an improved cross-correlation demodulation method is proposed.
为了实现光纤法-珀传感器并联复用信号的高精度、绝对腔长解调,提出了一种改进的互相关解调法。
The ML7338(ARM7TDMI core) and RF module RDA5206 are used to demodulate RF signals, recode, remodulate and transmit baseband signals, thus solving the RF interference problem in traditional stations.
该系统主要采用小灵通基带芯片ML7338(ARM7TDMI核)和RDA5206射频模块,实现对射频信号的解调,同时对基带信号重新编码再调制发射,很好地解决了普通直放站射频干扰问题。
The ML7338(ARM7TDMI core) and RF module RDA5206 are used to demodulate RF signals, recode, remodulate and transmit baseband signals, thus solving the RF interference problem in traditional stations.
该系统主要采用小灵通基带芯片ML7338(ARM7TDMI核)和RDA5206射频模块,实现对射频信号的解调,同时对基带信号重新编码再调制发射,很好地解决了普通直放站射频干扰问题。
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