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CORDIC_mixer
- FPGA可实现的，使用cordic算法的NCO模块混频模块。该模块基于cordic原理，算法中只需要加法和移位运算既可以完成信号的混频功能-FPGA can be achieved, the use of the NCO cordic algorithm module mixing module. Cordic module based on the principle, the algorithm only needs Adder and shift operator can complete
PCFFWM1
- 光子晶体光纤计算中相对抽运频率和四波混频效率的关系，有MATLAB程序和图形。对研究光子晶体光纤有很大的帮助。
无线信道信号的混叠
- (1) 在某些无线信道中，多普勒频移会引起无线信道输出信号的混叠。请描述产生混叠的各种原因； (2) 无线信道中的多普勒谱有一种经典谱(classic spectrum)，请解释产生这种谱形状的机理； (3) 请用Simulink工具编写代码(S-Function方式)，产生一单径瑞利信道，其多普勒谱为经典谱，其中移动速率为120km/h。并请回答：证明自己用计算机产生的经典谱是正确的可能方法。 ,(1) in certain wireless channel, the Doppler f
DDC_prj1
- 公司最近项目做的一个DDC（数字下变频）simulink建模模型 真情奉献给大家-this is a project about digital down-converter,it is bulit with Simulink.
DBF_matlab
- 对16阵源的回波信号进行数字波束合成，包括回波信号仿真、权值进行泰勒加窗、数字混频、波束合成处理的仿真-16 sensor array digital beam echo signal synthesis, including the echo signal simulation, the value of the Tai Lejia windows, digital mixing, beam forming processing simulation
Mixer2110-7-31
- 混频器建模的Matlab仿真程序！有GUI界面可供进行混频器的参数设置！-Mixer simulation program Matlab modeling! A GUI interface for setting parameters for the mixer!
Radar_Receiver
- 雷达接收机的重要部件，包含AD、混频器、高放和中放4部分。-Important parts of radar receivers, including AD, mixers, high level and intermediate level radioactive Part 4.
zhengxianbo
- 对正弦波信号进行混频，分解，采用傅立叶变换来分析其频率-Mixing of sinusoidal signals, decomposition, using Fourier transform to analyze the frequency
matalabsimulink
- 研究生课题利用simulink对运动目标进行仿真，涉及跳频信号处理调制解调混频时间控制。-Graduate program of moving targets using simulink simulation, signal processing, frequency-hopping modulation and demodulation involves mixing time control.
Pump_effcts_DFWM
- 分析了计算四波混频效率的表到式在考虑非线性相位失配因子和不考虑非线性相位失配因子两种情况下，四波混频效率计算的差别-Analysing the expression of DFWM in the optical fiber under the consideration of nonlinear phase mismatch factor, then comparing the result to the expression which includes only linear phase m
HNL_DSF_DFWM_efficiency
- 计算高非线性光纤中的简并四波混频的效率,计算范围从1547nm到1563nm。-calculate the efficiency degenerate FWM of high nonlinear fiber，and the calculation region is 1547nm~1563nm.
Untitled8
- 数字下变频技术是数字接收机的核心技术之一，它包括数字混频正交变换、抽取及高效率数字滤波等。-Digital down conversion technology is one of the core technology of digital receiver, which includes digital mixer orthogonal transformation, extraction and high-efficiency filtering.
P_out_width
- 光电导混频器中，交叉电极的光电导宽度对THz功率的影响-Photoconductive mixer, the width of cross-electrode photoconductive THz power on the impact of
P_out_S
- 带交叉电极的混频器中，电极的面积对THz输出功率的影响-Mixer with cross-electrode, the electrode area, the impact of the THz output power
as
- 基于光纤四波混频DPSK系统相位噪声提取检测和抑制.-Four-wave mixing based optical DPSK system to extract the phase noise detection and suppression.
数据加窗与混叠
- 对数据进行加窗处理（切比雪夫窗），加窗处理后然后再进行混叠处理，通过频域来看出加窗与混叠对数据的影响(Windowed data processing (Chebyshev window), windowed processing, and then aliasing processing, through the frequency domain to see the window and aliasing impact on the data)
code
- 对混频数据使用白聚山和主成分方法提取同质因子和异质因子，再使用tvpSV方法对所得的因子进行随机波动分析(Extraction of homogeneous and heterogeneous factor factor using the principal component method of Bai Jushan and mixing data, then use tvpSV method for stochastic volatility factor analysis on inco
20 wavelengths 主程序
- 四波混频FWM多波长光纤激光器 光纤长度 掺杂浓度 泵浦功率等对输出激光功率的影响(Four wave mixing FWM multiwavelength fiber laser)
《GNSS单频软件接收机应用与编程》源程序
- 程序中详尽的给出了串行捕获、并行码相位捕获 、并行频率捕获、生成指定卫星的伪随机码、热噪声功率谱、混频器示意图、滤波器演示等应用于卫星接收机的基础编程，(In the program, the basic programming of serial acquisition, parallel code phase capture, parallel frequency capture, pseudorandom code of generating designated satellite, t
cascaded FWM in fiber cavity
- 在光纤环形腔中经过级联四波混频产生光频率梳，梳齿频率间隔可调，光纤环形腔中不同模块色散，非线性系数可调。(Optical frequency comb are generated in the fiber cavity by the process of cascaded four wave mixing.)