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- Both intermediate and base band frequency sampling schemes may be used in all digital DS/CDMA receiver. 全数字 DS/CDMA信号接收机既可以采用中频采样方案 ;也可以采用基带采样方案 .
- Base Band Interpolator Pulse Shaping (BBIPS) filter is a key component of all digital modulator. 摘要基带内插脉冲成形(BBIPS)滤波器是全数字调制器的核心模块之一。
- Theoretical deduction proves that under the condition of all digital receiver, the ideal FM demodulated signal is equivalent to a signal with amplitude modulated by the frequency deviation. 理论推导证明,在全数字接收机条件下,载波频偏对于理想FM解调拾出信号的影响相当于对其进行了幅度调制。
- Fast Symbol Timing Recovery in All Digital Receiver 全数字接收机中的快速定时恢复问题
- Frame and Block Synchronization for All Digital Receiver of Optical PPM Communication 全数字光PPM接收机的最佳帧节同步
- Keywords Hybrid Fiber/Coax Network,All Digital Receiver,Burst Mode Transmission,Media Access Control,TDMA and CDMA.; 混合光纤/同轴电缆网络;全数字接收机;突发模式传送;媒体访问控制;时分多址和码分多址;
- The cumulate distrbution of base band noisy signal. (6). (5).;基频含燥讯号多次试验之累积机率分布。
- Design of the IF all digital receiver for a novel dual-mode transponder 一种新的双模应答机全数字中频接收机设计
- They say movies may quickly become all digital. 不久的将来电影会全面数字化。
- A digital base band adaptive predistortion method to compensate nonlinear distortions introduced by a high-power amplifier (HPA) in orthogonal frequency division multiplexing (OFDM) system is proposed. 摘要提出了一种用于正交频分复用(OFDM)系统中补偿由大功率放大器引起的非线性失真的基带自适应预失真方法。
- This paper presents and algorithm suitable for the digital filter design in WCDMA forward channel, in which, the impulse response of the base band transmit pulse shaping filter has been descirbed. 介绍了一种适用于宽带码分多址 (WCDMA)前向信道中给定基带成形滤波器单位脉冲响应后设计SPT滤波器的方法。
- Sampling time for all digital and analog signals is 10 msec. 采样时间为所有数字和模拟信号是10毫秒。
- Generalized Multi-Carrier transmission is a wide subband scheme,in which the subbands are 1.28MHz wide and overlaps below-15dB.Firstly,the digital base band model of generalized multi-carrier system is given. 广义多载波并行传输方案是一种宽子带方案;每个子带带宽达到1.;28MHz且子带交叠在-15dB以下。
- Squring Tinning Recovery loop for ALL Digital Receivers 全数字接收机平方定时恢复环路
- Having studied the digital down-conversion(DDC)process of IF signal before the base band process which follows A/D conversion in wireless communication,the paper puts forward a new idea of utilizing the FPGA to realize multi-channel digital signal DDC. 研究了无线通信接收机中,经A/D转换后到基带处理前的中频信号的下变频处理。 提出了用FPGA实现多通道数字信号下变频的新设想。
- At last,an instance using LVDS in a Wide-band Digital Receiver is presented. 最后给出LVDS在某宽带接收系统中的应用实例。
- A kind of filter that works in the base band of images is developedto eliminate the stripes additive to images, etc. 自行研制了图像基带滤波器以消除图像条纹噪声等。
- This DAC is based on the AD1955 DAC chip and the DIR1703 digital receiver. 这款DAC是用AD1955的解码晶片及DIR1703数码接收器芯片。
- Another challenge for MIMO base band processor design comes from error correcting codes. 纠错编码技术也是MIMO系统设计的一个关键问题。
- Base band and overtone will be generated at the same time when the string of stringed instrument oscillate. 弦乐器琴弦的振动中包含基频与泛频,在一定位置上可抑制掉某些频率,便会出现演艺界定义的“泛音”效果。