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485通讯源码
- 485通讯
APICom
- 用API函数集写串口通信程序-API Function Set write serial communication program
LaunchDialer_src
- 用API函数自动实现拨号上网的程序-with API function automatically dial-up procedures
afdialer_src
- 功能十分强大的拨号程序，可以选择拨号连接，设置拨号参数-function very powerful dial-up procedure, we can choose to dial-up connections, dial-up parameters set
2
- 2. 关于无线信道的多普勒谱，请回答以下问题： (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。 -On the wireless c
matlab_BOC
- 关于GPS中BOC信号的产生，功率谱密度仿真，自相关函数以及与C/A码的互相关仿真程序。能够有效的对BOC信号的特性进行分析-On the GPS in the BOC signal generation, power spectral density simulation, the autocorrelation function as well as with the C/A code cross-correlation simulation program. Of the BOC can
2008_5
- 在三条径的瑞利信道中，对于直接序列扩频： (1) 请设计DS-CDMA一种具体的码分导引辅助的信道估计方法，接收机分别采用等均益合并、最大比合并。用Simulink进行仿真，测量BPSK的误码率性能，画出比特信噪比与信道估计均方误差的关系曲线，画出比特信噪比与误码率的关系曲线，请解释在误码率为0.01时，两种合并方式所表现的不同的物理意义。 (2) 设频率已经同步，请设计DS-CDMA一种具体的单停顿滑动相关时间同步方法，用Simulink进行仿真(自己编写代码S-Function
sin
- 正玄函数的功能包括它的频率和幅度以及与它相关的相位问题的-Hyun function is the function including its frequency and amplitude and phase associated with it problems
acquisition-trial
- This GPS Matlab acquisition code. Function performs cold start acquisition on the collected "data". It searches for GPS signals of all satellites, which are listed in field "acqSatelliteList" in the settings structure. Function saves code phase
OPNETModelerfunction
- 对opnet平台的基本函数做了一个总结和归类，方便初学者进行调用。-OPNET platform on the basic function to do a summing up and categorized to facilitate calls for beginners.
shiboqi
- 实现函数发生器产生的波形能够在电脑显示器上显示。函数发生器通过GPIB卡与电脑连接并传输数据，电脑上通过LABVIEW软件环境完成与GPIB卡的数据通信。在LABVIEW环境下完成了对虚拟仪器前面板以及后台程序框图的设计与编程。在LABVIEW开发环境下，实现对GPIB控制时，采用VISA模块驱动的方法进行编程。设计结果在LABVIEW环境下的虚拟示波器能够实现示波器的功能，能够显示函数发生器所产生的任意波形。- achieve the waveform can be displayed on
calculator-src
- Descr iption Scientific calculator. Allows to perform caclulation with high precicion and implements most populatr mathematical functions: sin, cos, tan, asin, acon, atan, exp, log, sqr, floor and ceil. Also it make it possible to define your ow
USB_FunctionDrv
- Simplified USB Function Driver
USBFN
- Windows CE 5.0 driver for USB function
ambfn
- radar ambiguity function simulation and signal processing .
rayleighpdf
- RAYLEIGH FADING, CALCULATING AND PLOTTING OF PROBABILITY DISTRIBUTION FUNCTION AND CUMULATIVE DISTRIBUTIVE FUNCTION OF RAYLEIGH FADING
wince_2410_UDC_driver_analysis
- 详细讲述wince usb function驱动（从驱动），在.../DRIVER/USBFN/CONTROLER（即udc）文件目录下，个文件的作用及具体的细节，是wince从驱动方面少有的好文档。-Described in detail wince usb function driver (from the drive), in .../DRIVER/USBFN/CONTROLER (ie udc) file directory, the files and specific details
velocity_triangulation
- Descr iption This function finds the velocity of a 2-dimensional planar wave from at least 2 sensors, by specifying its location (x,y) or (lon,lat) and its respective arrival time. It returns the speed and direction (or tracking if coordi
OPNET_Modeler-core-function
- 对OPNET的核心函数进行了详细的讲解，包括函数功能、格式、参数-OPNET' s core functions on a detailed explanation, including the function features, format, parameters
function
- 信道编码中turbo码译码代码，采用logmap译码算法实现-turbo decode , lopmap function