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QPSK.rar
- QPSK是一种二维调制技术，其中水平轴称为同相轴，垂直轴称为正交轴，分别对应于星座图上的1和Q坐标。同相载波指载波本身，正交载波指相位旋转90度的载波1周。QPSK调制在实现时是采用正交调幅的方式，某星座点在1坐标上的投影去调制同相载波的幅度，在Q坐标上的投影去调制正交载波的幅度，然后将两个调幅信号相加就是所需的调相信号,QPSK is one kind of two-dimensional modulating technology, the horizontal axis is called
isag_sms_axis
- 电信短信接入的Axis实现，非常适合在电信接入短信的同志们。-Axis Telecom SMS to achieve access, is ideal for text messaging in the telecommunications access comrades.
ClientSender
- this the source code for streaming video content from axis camera to android, it s the clent sender file-this is the source code for streaming video content from axis camera to android, it s the clent sender file
Server
- this the source code for streaming video content from axis camera to android, it s the server file-this is the source code for streaming video content from axis camera to android, it s the server file
ServerSender
- this the source code for streaming video content from axis camera to android, it s the server sender file-this is the source code for streaming video content from axis camera to android, it s the server sender file
Video
- this the source code for streaming video content from axis camera to android, it s the actual video streaming file-this is the source code for streaming video content from axis camera to android, it s the actual video streaming file
china_county_makers
- 坐标系统的介绍 1.1 WGS—84坐标系统 WGS—84坐标系是目前GPS所采用的坐标系统，是由美国国防部制图局建立，于1987年取代了当时GPS所采用的坐标系统(WGS—72坐标系统)而成为GPS目前所使用的坐标系统。 WGS—84坐标系的坐标原点位于地球的质心，Z轴指向BIHl984.0定义的协议地球极方向，X轴指向BIHl984.0的起始子午面和赤道的交点，Y轴与X轴和Z轴构成右手系。WGS—84系所采用椭球参数为：a=6378138m；f=1／298.257223563。
e_14_3-HelloMapView
- 手機偵測訊號收集，可以收集手機的GPS、三軸旋轉等資訊-The phone detects the signal collection, can collect the information of the phone' s GPS, three-axis rotation