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dsss-mdl

于 2011-03-25 发布文件大小:38KB

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下载积分: 1 下载次数: 3

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代码说明：

说明：实现扩频通信，包括了PN码同步，扩频调制解扩(Realize spread spectrum communication, including the PN code synchronization, spread spectrum modulation solution extender )

文件列表：

DSSS_enhanced_with_a_coarse_time_synchronization_loop.m,6542,2009-07-10
DS_SS(1).m,4907,2010-11-08
DS_SS.m,4896,2010-11-03
ds_ss_rake.mdl,87112,2011-03-25
QPSK(1).mdl,31665,2010-11-03
qpskled.m,9790,2010-11-01
QPSK_Modulation(1).m,3046,2010-12-28
QPSK_Modulation.m,3054,2010-12-28
Untitled.m,1432,2010-12-28
Untitled2.m,4852,2011-03-25

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新建 Microsoft Word 文档 (2)
说明：求经vmd分解后各分量信号的单边谱，只需改改采样频率等参数。(Finding the unilateral spectrum of each component signal after VMD decomposition)

2020-07-02 01:40:01下载

积分：1
m_map
说明：这个是m_map工具箱，是用MATLAB制作地图的一个工具箱。(This is the m_map toolbox. It is a toolbox for making maps with MATLAB)

2020-06-20 22:20:01下载

积分：1
Longley-Rice model代码
说明：经典无线链路预算模型，预测了在自由空间中由地形的非规则性造成的中值传输衰落。该模型适用于频段为20MHz至40GHz、路径长度为1km至2000km的情况。对于给定的传输路径，该计算机程序通过频率、路径长度、极化方向、天线高度、表面绕射率、地面有效半径和地面导电常数等参数可以确定传输损耗的大小。(Classic wireless link budget model, forecasts the in free space caused by terrain of regularity in the value decline.The model is suitable for the frequency of 20 MHZ to 40 GHZ, path length of 1 km to 2000 km.For a given transmission path, this a computer program can calculate the value of the transmission loss by frequency, path length, polarization direction, antenna height, surface diffraction, effective radius of the ground and ground conductivity constant parameters and so on.)

2021-04-12 13:28:57下载

积分：1
题三：超声速静压探针设计程序
超声速静压探针程序，采用有旋特征线法求解旋成体绕流流场，能给出任意马赫数下的壁面沿程压力分布情况，给出壁面静压恢复到自由来流静压的位置；(Supersonic hydrostatic probe program)

2020-06-23 11:40:02下载

积分：1
GNSS_SDR
《软件定义的GPS和伽利略接收机》配套资料，实现中频GPS信号的“捕获”、“跟踪”、“导航解算”并且有各阶段的“绘图”，便于理解。需要“中频数据”才能运行。(" Software-defined GPS and Galileo receivers," supporting information, to achieve intermediate frequency GPS signals " capture" , " track" , " navigation solution," and there are various stages of " drawing" , easy to understand. Need to " IF data" to run.)

2011-05-24 09:57:14下载

积分：1
Pressure
说明：利用Freeman链码实现圆形物体的检测(Freeman chain code to use to achieve the detection of circular objects)

2009-07-27 13:11:14下载

积分：1
灰色模型
说明：灰色模型，包括残差修正模型，matlab可直接使用，亲测有效(Grey model, including residual correction model, matlab can be used directly, effective pro test)

2019-12-12 11:14:45下载

积分：1
好例子网_人工势场结合FUZZY
说明：用人工势场算法结合模糊控制算法的路径规划(Path planning with artificial potential field algorithm and fuzzy control algorithm)

2020-03-02 14:42:03下载

积分：1
objectness1
说明：提取图像中的显著对象部分，就是人视觉感知的主要部分，运行的是demo.m(Extraction of the image part of a significant object is the main part of the human visual perception, running demo.m)

2011-04-18 10:36:19下载

积分：1
chebshev
GPS精密星历卫星轨道插值运算（采用切比雪夫拟合）matlab程序。直接运行chebshev2.mat文件即可，结果显示在doucument2.mat文件中(Precise GPS satellite orbit ephemeris interpolation operation (using Chebyshev fitting) matlab program. Can run directly chebshev2.mat file, the results are displayed in the doucument2.mat file)

2021-01-11 20:18:48下载

积分：1

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