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- The complementary code keying (CCK) is introduced by IEEE 802.11b to provide the high-rate communication.We investigated the modulation and demodulation method for CCK. 由于802.;11b协议使用CCK调制进行高速数据传输,所以针对CCK的调制和解调方法进行了相应的研究。
- After analyzing the conventional methods of single side-band Modulation Demodulation? this paper emphasizes a set of new methods based on digital weaver. 在分析了常规单边带模拟调制方法及其弱点的基础上,着重阐述了利用维弗法来实现单边带数字调制解调方法。
- The Improvement on PGC Demodulation Method Based on Optical Fiber Interferometer Sensors[J]. 引用该论文 柏林厚;廖延彪;张敏;赖淑蓉.
- Sitiodace a kind of new demodulation method of single sidcband slgnal, prouide a kind of new way for solation wave guide nassow band of mobile communication system. 介绍一种单边通信号的新的解调方法、为解决移动通信系统波道窄带化提供了一种新的途径。
- By a simple sensor system and the intensity demodulation method of matched fiber Bragg grating, the fiber Bragg grating strain sensor is studied theoretically and experimentally. 采用一种简单的传感装置和匹配光纤光栅强度解调的方法,对光纤光栅应变传感进行了理论分析和实验研究。
- modulation demodulation linearity 调制解调线性
- A new envelope demodulation method based on empirical mode decomposition (EMD) is proposed to make up the limitation that meaningless frequencies often arise in the envelope spectrum of conventional envelope demodulation method. 摘要提出了一种新的调制信号解调分析技术,来抑制传统的包络解调方法中经常出现的无意义的频率成分。
- Considering the practicability and feasibility, grating-matching demodulation method is employed in the demodulating system introduced in this paper. 基于实用性和可行性等方面的综合考虑,采用匹配光栅滤波器法作为系统光路部分的解调方法。
- On the BPSK, QPSK, 8QAM, 16QAM, 32QAM modulation demodulation process. As a separate module can be added to any channel, the demodulator uses two methods. 关于BPSK,QPSK,8QAM,16QAM,32QAM的调制解调程序。可作为单独模块加入到任何信道下,解调采用了两种方法。
- The demodulation methods of fiber grating sensor are systematically introduced in the paper, and then their advantages and disadvantages are analyzed respectively. 系统地介绍了光纤光栅传感器的各种解调方法并对各自的优缺点进行了详细的分析。
- The method seems good but it needs to be tried out. 这个方法似乎不错,但需要试验一下。
- A Novel Wavelength Demodulating Method for White Light Optical Fiber Sensor System[J]. 引用该论文 荆振国;于清旭;张桂菊;宋世德.
- A Circulated Demodulated Method of Distributed Fiber Raman Temperature Sensor[J]. 引用该论文 张利勋;欧中华;刘永智;代志勇;彭增寿;王大文.
- By DEMON we can get more and stabler line spectrum information than by LOFAR, which is to make power spectrum analysis of signal directly. Several demodulation methods are introduced and compared. 通过包络解调技术可获得轴频等调制信息,这就是常用的DEMON谱分析方法。
- The general principle and the technical difficulties of the fiber grating sensor system signal demodulation are summarized, and the commonly-used demodulation methods are classified. 总结了光纤光栅传感信号解调的一般原理和技术难点,对常用解调方法进行了分类和归纳。
- The general principle and the technical difficulties of the fiber grating sensor system signal demodulation are summarized,and the commonly-used demodulation methods are classified. 信号解调是光纤光栅传感系统实用化所面临的最大难题,其核心问题在于设计高分辨率、低成本的波长检测方案。
- Simultaneously by comparison, demodulation performance of cyclic autocorrelation function is more widely than other demodulation methods, so can enhance accuracy and correctness of analyses. 同时经过比较,循环自相关函数具有比其他传统解调方法更为全面的解调作用,可以提高分析时的准确性与正确性。
- The main works of this thesis include: 1.Resumptively introduces classification, fabrication, optical properties, sensing principle and demodulating method of fiber grating. 本文所做的主要工作包括: 1.;概括地介绍了光纤光栅的分类、制备方法、光学特性、传感原理以及解调方法。
- The commonly used least mean square (LMS) error adaptive filtering algorithm is employed for studying the demodulating procedure and the performance of the adaptive MPAM demodulation method. 文中以常用的最小均方误差自适应算法(LMS)为例,讨论了新型的MPAM自适应解调的过程及其性能。
- I can't claim infallibility for this method. 我不敢说这方法绝对有效。