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RINEX 2.10 view measurement reading program
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Application background from the satellite navigation RINEX view measurement file, the automatic identification of the concept of the name of the measurement, and extract all view measurement, including a pseudo range, carrier phase, carrier to noise ratio and Doppler. In accordance with the satellite number and view measurement categories to form an array, and in accordance with the GPS and compass two major categories of output. Key Technology & nbsp; & nbsp; key technologies include: (1) measurements name automatic recognition, converted to a string variable name; (2) text data read and organize; (3) according to the number of time and satellite distribution measured data.
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CORDIC, ask sine and cosine algorithm
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Cordic begged the sine and cosine functions, consists of three files, a top-level, module a cordic iteration, a frequency input module, and finally rendering style of the waveform is sine and cosine.
Cordic algorithm uses the pipeline structure, common iteration 7 times, a simple implementation of the next, is for informational purposes only, without timing constraints.
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PLL LMX2531 Verilog Configurator
4.0
Source Verilog programming, registers are used for configuring the PLL LMX2531, the output frequency is 1 GHz, has proven the value of the register, the clock output frequencies without problems, written with three-state machines, incidentally, one AD device configured, refer the reader to key references.
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