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buhuo
- 扩频通信中的捕获问题，用GOLD码进行扩频， PN码相位捕获，利用捕获的相位，接收机产生偏移的GOLD码，进行解扩和误码率计算-Spread Spectrum Communication capture issue, GOLD spread spectrum code, PN phase acquisition. The capture phase, the receiver have offset the GOLD code for despreading and bit error rate
rfid_model
- A system simulation environment in Matlab/Simulink of RFID is constructed in this paper. Special attention is emphasized on the analog/RF circuit.Negative effects are concerned in the system model,such as phase noise of the local oscillator,TX-RX
Carrierfrequency
- 在DAB系统中的频率同步，载频同步，参考一下Carrier frequency offset estimation of DAB receiver based on phase reference symbol
IEEE 802.15.4g
- IEEE 802.15.4g ABSTRACT OF THE THESIS Implementing physical layer (PHY) of IEEE 802.15.4g standard with Direct Sequence Spread Spectrum (DSSS) using Offset Quadrature Phase Shift Keying (O-QPSK)
kuoping
- 扩频通信中的捕获问题，用GOLD码进行扩频， PN码相位捕获，利用捕获的相位，接收机产生偏移的GOLD码，进行解扩和误码率计算-Capture the problem in spread spectrum communication, spread spectrum codes with GOLD, PN code phase acquisition, the use of capture phase, the receiver generates offset GOLD code, for d
FINAL
- 图像拼接原代码，ＶＣ＋＋，图像拼接在制作全景图的过程中具有重要作用。对多幅图像进行特定模式投影后,用约束的相位相关度法求取水平垂直偏移量,然后寻找最佳缝合线,实现图像拼接,最后采用多分辨率算法对全图进行拼接处理去除曝光差异和鬼影。整个过程用VisualC++加以实现,实验结果验证了算法的有效性。-The original code image mosaic, VC , image mosaic panorama in the production process plays an impo
cross_speech_cancellation
- 传统双话筒降噪应用中，要求采用定向话筒对抗话音串扰问题，并且语音损伤较大，采用抗交叉串绕算法后，仅噪声被抵消，语音信号被保留。分为两个阶段，第一阶段，学习环境，第二阶段，抵消噪声。-Traditional dual-microphone noise reduction applications, the adoption of directional microphone voice against crosstalk, and a larger voice injury, using anti
COSTAS
- 根据韦瓦[ Weawa] 单边带调制解调法、COSTAS 锁相环及双线性变换, 提出基于软件无线电的单边带锁相解调器。解调器运行在TMS320C6203 上, 能实时处理160kHz 信号, 捕捉8kHz 频偏。-According to韦瓦[Weawa] SSB modulation and demodulation method, COSTAS PLL and the bilinear transform, based on software radio single sideband ph
fpga.fifo
- 异步FIFO是用来适配不同时钟域之间的相位差和频率飘移的重要模块。本文设计的异步FIFO采用了格雷（GRAY）变换技术和双端口RAM实现了不同时钟域之间的数据无损传输。该结构利用了GRAY变换的特点，使得整个系统可靠性高和抗干扰能力强，系统可以工作在读写时钟频率漂移达到正负300PPM的恶劣环境。并且由于采用了模块化结构，使得系统具有良好的可扩充性。-Asynchronous FIFO is an important module which always used to absorb the
matlabxueqi
- 小学期的源程序 1．试编MATLAB程序。信号 sinc(10*t),-2<=t<=2 m(t)= 0,其它 用100hz的载波来产DSB信号并解调。完成下列工作： 画出已调信号； 求已调信号的频谱，并用图像表示。 画出解调信号； 求解调信号的频谱，并用图像表示。 2．信号 sinc2(100t),|t|≤t0 m(t)= 0, 其它 采用频率调制调制为1000HZ的载波。频偏常数为kf=50,t0=0.2
script_ber_msk_awgn
- Minimum Shift Keying (MSK), uses two frequencies which are separated by 1/2T and phase discontinuity is avoided in symbol boundaries. Further, MSK transmission can also be visualized as a variant of offset-QPSK technique, where sinusoidals are used f
baseband_detection_simulink
- In this simulink model , baseband binary detection is simulated .A rectangular pulse shaped signal is given as input to the detector.The received signal is matched filtered and down-sampled .The effects of symbol timing offset can be seen by varying
pam_detection_simulink
- In this simulink model , baseband 8-ary PAM detection is simulated .A half-sine pulse shaped PAM signal is given as input to the detector.The received signal is matched filtered and down-sampled .The effects of symbol timing offset can be seen by
QAM16_simulink
- In this simulink model , 16-QAM modulation and demodulation is simulated .A square root raised cosine pulse shaped signal is modulated and given as input to the demodulator.The received signal is demodulated and given to the detector where it is m
GPStianxianzhongxinpianchaduiGPSgaocheng
- GPS天线相位中心偏差对GPS高程的影响及改正研究,对天线的计算很精确。-GPS antenna phase center offset the impact of elevation on the GPS and correction of, the calculation of the antenna is very accurate.
sumigps
- 时间—空间域的相移法偏移程序，使用的是su编译器，-Time- space domain phase shifting offset, using su compiler
doc0846H
- Main Features • Quad ADC with 8-bit Resolution – 1.25 Gsps Sampling Rate in Four-channel Mode – 2.5 Gsps Sampling Rate in Two-channel Mode – 5 Gsps Sampling Rate in One-channel Mode – Built-in four-by-four Crosspoint Switch • 2.
FPGA-based-function-generator
- 本论文设计的任意波形发生器所要实现的基本功能： (1)输出波形的种类：正弦波、方波、三角波、锯齿波、脉冲波、手绘任意波形、任意公式波形。 (2)输出波形每一通道的频率、幅值、偏置都可以由用户调节，并且可以设置多个通道信号之间的相位差。 (3)编辑波形的方式有：设置参数、输入公式、手工绘制通信波特率的全部功能在PC机上实现。 -In this thesis, the arbitrary waveform generator to achieve the basic function
grdx
- 本文提出了数字与模拟 相结合的自适应对消方案。通过对发射天线耦合过来的参考信号进行采样，转 换为数字信号后输入信号处理器中经调幅调相处理，再经过DAC转换并放大 后和接收机接收干扰信号相抵消，抵消残留信号再采样转换为数字信号后输入 到信号处理器中调整调幅调相的权值，重复上述过程，形成模拟和数字相结合 的自适应干扰抵消，最终使干扰噪声得到了衰减。 -This paper presents a combination of digital and analog adaptiv
signal
- 产生四种波形，调整幅值、频率、波形的选择、相位、偏移参数-Produce four waveforms, adjust the amplitude, frequency, waveform selection, phase, offset parameters