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MAX264
- 采用Maxim公司的可编程滤波器MAX264设计的锁相跟踪滤波器,能够实现自动跟踪频率功能,使得滤波范围增加,免去调整滤波中心频率的麻烦,采用单片机编程。-The programmable filter Maxim MAX264 design phase-locked tracking filter, automatic tracking frequency, the increase in filter range, eliminating the need to adjust the fil
ERBSpace
- 输入信号的上下限频率,以及ERB货BARK滤波器组的个数,输出每个滤波器的中心频率-Upper and lower limits of the input signal frequency, and the ERB filter bank BARK number of goods, the output of each filter center frequency
createbandQAM
- 通信编码中,产生一个可变带宽的QAM信号源,可调节带宽和中心频率等-Communication encoding, to generate a variable bandwidth QAM signal source, the bandwidth and center frequency can be adjusted so
Satellite_orbit_design
- 现需要在高度为600~700KM范围内,回归周期为30天的太阳同步轨道上布置一颗L波段的合成孔径雷达卫星。 1. 请设计合适的轨道参数,并仿真对应轨道下一个运行周期内星下点轨迹图(纬度和经度两个图); 2. 计算多普勒中心频率,多普勒调频率与纬度的关系图(设姿态角为0°,天线视角20°~60°,推荐35°); 3. 按高斯投影方式,将星下点轨迹图投影到地图坐标上。-Now requires a height of 600 ~ 700KM range, return period
DDS12864
- msp430控制DDS扫频,同时设置扫频宽度和中心频率,并在12864上进行显示-msp430 control DDS sweep, set both the width and the center frequency of the sweep, and 12,864 on the show
Filer_Sample_Para
- 只要输入信号的中心频率和带宽,自动生成带通滤波器采样率、信号保护带、采样率误差容限-Just enter the center frequency and bandwidth of the signal, automatically generated bandpass filter sample rate, signal protection zone, the sampling error margin rate
MAX262.c
- 程控滤波器的程序,可以实现高通滤波和低通滤波,中心频率可调。-Programmable filter program, you can achieve high-pass filter and low-pass filter, the center frequency is adjustable.
CenterFrequencyLeakageTestE
- 这是射频一致性测试协议中的一个子VI,功能是中心频率泄露测试-This is a child of rf conformance testing protocol VI, function is the center frequency leak test
zhongxinpinlv
- 用于计算采集的数字信号的中心频率,多用于信号分析-The center frequency is used to calculate the digital signal acquisition, used for signal analysis
coml
- 进行绘制不同带宽和中心频率的复小波频谱图-Draw different bandwidth and center frequency of complex wavelet spectrum
圆极化矩形微带天线的设计
- 圆极化矩形微带天线的设计 设计一个右旋圆极化GPS接收天线(矩形微带天线如图一所示)。 利用HFSS软件,设计一个右旋圆极化GPS接收天线,要求: 其中心频率为1.575GHz,同时满足中心频率处圆极化波的轴比小于2.0dB,采用单点同轴线馈电的矩形微带天线设计,介质基片采用厚度为1.6mm的FR4环氧树脂板。
NSGT
- CQT指的时频表示 垃圾箱是几何间隔频率在哪里 和Q-factors(中心频率带宽的比例) 所有的箱子都是平等的。-CQT refers to a time-frequency representation where the frequency bins are geometrically spaced and the Q-factors (ratios of the center frequencies to bandwidths) of all bins are e
bpfphase
- 用matlab计算并成图形的电路设计中幅频=相位响应图 ,也可为设计计算带通滤波器的中心频率以及Q值提供参考-Using matlab calculation and circuit design graphics in amplitude frequency = phase response, are also available for reference for design and calculation of the bandpass filter with center freque
channelization
- 简单的信道化处理信号,输入不同的信号中心频率点会得到不同信号的输出从而分离出输入信号,代码较简单直观-Simple channel processing signal, the input signal different center frequency will be output different signals to separate the input signal, the code is relatively simple and intuitive
chidutu
- 采用带宽为3,中心频率为3的复morlet小波对示例信号进行了分析,并绘出时频图。-Using bandwidth of 3, center frequency is 3 complex morlet wavelet to sample signal is analyzed, and draw the time-frequency diagrams.
RF1023_475MHz_demo
- rf1023无线通信芯片的C51驱动代码,已经验证可用。中心频率为475-rf1023 wireless communications chip C51 driver code has been verified available. A center frequency of 475
MCU_code
- 430单片机程序滤波器代码,主芯片是430,可以设置中心频率大小。-430 microcontroller program filter code, the main chip is 430, you can set the size of the center frequency.
xiaobohanshu
- 介绍了各种小波函数,包括提取一维小波变换低频系数,计算完整最佳小波包树,求小波中心频率等函数的函数名-Describes the various wavelet functions, including a one-dimensional wavelet transform to extract the low-frequency coefficients to calculate the optimal wavelet packet complete tree, seeking the cen
WIMAXsource
- WIMAX_WZ_withencoding:信道估计,相位噪声补偿,频偏估计,编解码都有 WIMAX_WZ_withoutencoding:在上面的工程基础上,去掉编解码部分 WIMAX_WZ_withoutprocessing:在上面的工程基础上,再去掉相位噪声补偿,频偏估计 WIMAX_WZ_withoutprocessing2:在上面的工程基础上,改用新的前导和导频联合信道估计方案,参考文档《基于802_16d标准的OFDM信道估计技术的研究与实现.kdh》 因为白噪
Matlab.m
- 共振解调法诊断轴承损伤类故障的原理概述如下:当轴承某一元件表面出现局部损伤时,在受载运行过程中要撞击与之相互作用的其它元件表面,产生冲击脉冲力,由于冲击脉冲力的频带很宽,必然包含轴承外圈、传感器甚至附加的谐振器等的固有频率而激起这个测振系统的高频固有振动。根据实际情况可以选择某一高频固有振动作为研究对象,通过中心频率等于该固有频率的带通滤波器把该固有振动分离出来。然后进行包络解调,去除高频衰减振动的频率成分,得到只包含故障特征信息的低频包络信号,对这一包络信号进行频谱分析便可以容易地诊断出轴承的