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- orthogonal signal modulation 正交信号调制
- In this paper we propose a new approach called orthogonal signal reconstruction(OSR). 本文提出一种时域提取瞬时参数的方法-OSR,并与其它常用方法作了比较。
- Orthogonal Spreading, PN sequence, signal modulation and the global initialization, the module of global initialization is used to set some common parameters of the whole simulation model. 按照模块化设计过程分别实现了CDMA2000 1x系统的CRC编码器模块、卷积编码器模块、信号交织器模块、正交扩频模块、PN信号生成器模块和信号调制模块,以及用于设置整个仿真模型中使用的一些公共参数的初始化模块。
- The orthogonal signal correction (OSC) is a popular algorithm in the signal preprocess. 基于正交投影的正交信号校正(OSC)算法是近年来在光谱处理上很活跃的一种方法。
- Operating in the heavy congested SW band,it is difficult for HFradars to find continuously useable waveband for signal modulation. 高频雷达工作在十分拥挤的短波波段内,可资用的能满足信号调制的连续频带很难获得。
- Abstract: Operating in the heavy congested SW band,it is difficult for HF radars to find continuously useable waveband for signal modulation. 摘 要: 高频雷达工作在十分拥挤的短波波段内,可资用的能满足信号调制的连续频带很难获得。
- The phase-conjugation is achieved by four-wave mixing in an optimized semiconductor optical amplifier (SOA), which solves the dispersion problem of the FSK/IM orthogonal signal. 其中,FSK/IM正交信号的频谱反转由基于半导体光放大器(SOA)的四波混频效应实现,此技术有效克服了FSK/IM正交信号在传输中色散带来的影响。
- Realize signal modulation and demodulation functions, including various types of modulation such as ASK (amplitude modulation), PSK (phase modulation), FSK (FM). 实现信号的调制解调功能,包括各类调制如ASK(调幅),PSK(调相),FSK(调频)。
- Universal switch network and signal modulate circuit are designed. 设计了通用的通道开关网络和信号调理电路。
- The broad-band signal demodulated into base-band signal with receiver by twice frequency conversion and down convertion of DDC orthogonal digital and got the orthogonal signals. 接收端经两次频率转换和中频采样与 DDC 正交数字下变频,把带宽信号解调到基带信号,得到相互正交信号。
- We indicate a signal modulation recognition method based on pattern recognition theory. It can effectively recognise many modulation types, including AM, ASK, FM, FSK, PSK and so on, on the condition SNR>5db. 论文中主要介绍了一种基于模式识别理论的信号调制类型识别方法,能够在SNR>5db 的情况下,对AM、ASK、FM、FSK、PSK 等多种调制类型进行有效识别。
- DSP accomplishes the baseband signal processing, the DDC and the DUC deal with the transformation between baseband signal and IF signal, multi-sample rate signal processing, signal modulation and demodulation. 系统中DSP主要完成基带信号的处理,上下变频器完成基带和中频信号之间的转换、系统的多抽样率信号处理和信号的调制解调。
- SIGNAL MODULATES MIX VALVE TO ATTAIN OR MAINTAIN SELECTED TEMPERATURE. 输出混气活门的调节指令,以获得并保持选择的目标温度。
- The simulation results verify the millimeter-wave generation technique and the signal modulation and demodulation, which testify to the feasibility of the proposed millimeter-wave downlink system. 仿真结果验证了毫米波的产生和信号的调制解调过程,证明了该下行链路系统的可行性。
- Orthogonal Signal Correction(OSC) 正交信号修正法
- overlapped and orthogonal signal 重叠与正交信号
- multiple frequency orthogonal signal 多频正交信号
- Variable Orthogonal Signal Source 可调正交信号源
- Wavelet multi-scale orthogonal signal correction 小波多尺度正交校正
- With the proposed model, channel properties with signal modulated by FSK, DPSK, QPSK and 8PSK are investigated. 给出了基于非线性拟合方法的转移概率表达式。