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levinson
图1为均衡带限信号所引起失真的横向或格型自适应均衡器(其中横向FIR系统长M=11), 系统输入是取值为±1的随机序列，其均值为零；参考信号；信道具有脉冲响应：
式中用来控制信道的幅度失真(W = 2～4, 如取W = 2.9,3.1,3.3,3.5等)，且信道受到均值为零、方差(相当于信噪比为30dB)的高斯白噪声的干扰。试比较基于下列几种算法的自适应均衡器在不同信道失真、不同噪声干扰下的收敛情况(对应于每一种情况,在同一坐标下画出其学习曲线):
1）横向/格-梯型结构LMS算法
2）横向/格-梯型结构RLS算法
并分析其结果。(Figure 1 is a band-limited signal caused balanced horizontal or lattice distortion adaptive equalizer (FIR system in which the lateral length M = 11), the system input is the value of a random sequence of ± 1, mean zero reference signal channel has impulse response:
Wherein the amplitude of the distortion for the control channel (W = 2 ~ 4, and so as to take W = 2.9,3.1,3.3,3.5), and subjected to a channel with zero mean and variance (equivalent SNR is 30dB) Gaussian white noise. Compare the following types of algorithm-based adaptive equalizer in a different channel distortion, the convergence of different noise interference (corresponding to each situation, draw their learning curve in the same coordinate):
1) landscape/grid- LMS algorithm ladder structure
2) landscape/grid- RLS algorithm ladder structure
And analyze the results.)
- 2020-07-02 22:40:01下载
- 积分：1
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STM32f1频率计
通过pwm输入模式采集输入信号的频率与占空比，使用串口发送频率与占空比的信息。具体的测试频率要更改程序中分频系数
- 2022-01-26 18:38:54下载
- 积分：1
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学生在线考试系统
学生信息管理系统是针对学校人事处的大量业务处理工作而开发的管理软件，主要用于学校学生信息管理，总体任务是实现学生信息关系的系统化、科学化、规范化和自动化，其主要任务是用计算机对学生各种信息进行日常管理，如查询、修改、增加、删除，另外还考虑到学生选课，针对这些要求设计了学生信息管理系统。
- 2023-09-06 23:45:03下载
- 积分：1
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SVPWM_VSI
说明： SVPWM是近年发展的一种比较新颖的控制方法，是由三相功率逆变器的六个功率开关元件组成的特定开关模式产生的脉宽调制波，能够使输出电流波形尽可能接近于理想的正弦波形。空间电压矢量PWM与传统的正弦PWM不同，它是从三相输出电压的整体效果出发，着眼于如何使电机获得理想圆形磁链轨迹。SVPWM技术与SPWM相比较，绕组电流波形的谐波成分小，使得电机转矩脉动降低，旋转磁场更逼近圆形，而且使直流母线电压的利用率有了很大提高，且更易于实现数字化。(SVPWM is a novel control method developed in recent years. It is a pulse width modulation wave generated by a specific switching mode consisting of six power switching elements of three-phase power inverters, which can make the output current waveform as close as possible to the ideal sinusoidal waveform. Space voltage vector PWM is different from traditional sinusoidal PWM. It is based on the overall effect of three-phase output voltage, focusing on how to obtain the ideal circular flux trajectory of the motor. Compared with SPWM, the harmonic component of winding current waveform is smaller, which reduces the torque ripple of motor, makes the rotating magnetic field more close to the circle, and improves the utilization ratio of DC bus voltage greatly, and makes it easier to realize digitization.)
- 2019-01-30 10:57:56下载
- 积分：1
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Source
俄罗斯方块源码
直接运行可以看到结果。好东西大家分享嘛 (Tetris source code can be run directly see the result. Good things to share with you why)
- 2009-01-01 10:22:22下载
- 积分：1
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APQP
产品质量先期策划控制程序的相关文件，适用APQP流程的TS16949体系(Advanced Product Quality Planning control procedures of the relevant documents, for APQP process TS16949 system)
- 2010-01-23 18:45:40下载
- 积分：1
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ATKNCR数字字母手写识别库
功能:支持数字/小写字母/大写字母/混合四种识别模式.
本识别程序使用起来相当简单.
第一步:调用alientek_ncr_init函数,初始化识别程序
第二步:获取输入的点阵数据(必须有2个及以上的不同点阵数据输入)
第三步:调用alientek_ncr函数,得到识别结果.
第四步:如果不需要再识别,则调用alientek_ncr_stop函数,终止识别.如果还需要继续,则重复2,3步即可.
- 2022-03-07 05:32:00下载
- 积分：1
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Animator
C# winform下实现显示控件和内容的动画效果。(C# winform animation display controls and content.)
- 2020-12-24 13:59:05下载
- 积分：1
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Validacion de fechas
这是一个用于在其他代码中验证其应用程序的日期的代码。
- 2022-01-22 10:59:32下载
- 积分：1
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scheduling
The examples in this projects have illustrated how and when FreeRTOS selects which task should be
in the Running state, the microcontroller its MCF51JM128 the compiler its codewarrior
- 2009-08-12 13:43:28下载
- 积分：1
