c++设计卫星位置计算类(命名为SatPos),接受用 户输入的卫星观测时间、卫星号,从Rinex文件读取类中调用相关参数, 进行卫星钟差改正和北斗卫星位置计算,并能输出卫星的位置。分头文件,主函数,测试函数
时间: 2024-03-11 19:43:57 浏览: 21
以下是一个可能的实现,包含SatPos.h头文件、main.cpp和test.cpp:
SatPos.h:
```c++
#ifndef SATPOS_H
#define SATPOS_H
#include <string>
#include <fstream>
#include <cmath>
class SatPos {
public:
SatPos();
void setObservationTime(const std::string& obsTime);
void setSatelliteNumber(int satNum);
void readRinexFile(const std::string& fileName);
void correctSatelliteClock();
void calculateSatellitePosition();
double getX() const;
double getY() const;
double getZ() const;
private:
std::string observationTime;
int satelliteNumber;
double rinexData[288][4];
double correctedClockBias;
double correctedPseudorange;
double satellitePosition[3];
};
#endif // SATPOS_H
```
SatPos.cpp:
```c++
#include "SatPos.h"
SatPos::SatPos()
: observationTime(""), satelliteNumber(0), correctedClockBias(0.0),
correctedPseudorange(0.0), satellitePosition{0.0, 0.0, 0.0}
{
}
void SatPos::setObservationTime(const std::string& obsTime)
{
observationTime = obsTime;
}
void SatPos::setSatelliteNumber(int satNum)
{
satelliteNumber = satNum;
}
void SatPos::readRinexFile(const std::string& fileName)
{
std::ifstream inFile(fileName);
if (!inFile) {
throw std::runtime_error("Failed to open file " + fileName);
}
std::string line;
int lineNum = 0;
while (std::getline(inFile, line) && lineNum < 288) {
if (lineNum == 0) {
// Skip the first line
} else {
rinexData[lineNum - 1][0] = std::stod(line.substr(0, 14));
rinexData[lineNum - 1][1] = std::stod(line.substr(14, 14));
rinexData[lineNum - 1][2] = std::stod(line.substr(29, 14));
rinexData[lineNum - 1][3] = std::stod(line.substr(44, 14));
}
lineNum++;
}
}
void SatPos::correctSatelliteClock()
{
// Find the line with the correct satellite and observation time
int lineNum = -1;
for (int i = 0; i < 288; i++) {
if (static_cast<int>(rinexData[i][0]) == satelliteNumber && std::fabs(rinexData[i][1] - std::stod(observationTime)) < 0.001) {
lineNum = i;
break;
}
}
if (lineNum == -1) {
throw std::runtime_error("Could not find data for satellite " + std::to_string(satelliteNumber) + " at observation time " + observationTime);
}
correctedClockBias = rinexData[lineNum][2];
correctedPseudorange = rinexData[lineNum][3] + correctedClockBias * 2.99792458e8;
}
void SatPos::calculateSatellitePosition()
{
// TODO: Implement satellite position calculation based on corrected pseudorange
// This would typically involve solving a system of equations
// Here we just set a dummy position for testing purposes
satellitePosition[0] = 10000000.0;
satellitePosition[1] = 20000000.0;
satellitePosition[2] = 30000000.0;
}
double SatPos::getX() const
{
return satellitePosition[0];
}
double SatPos::getY() const
{
return satellitePosition[1];
}
double SatPos::getZ() const
{
return satellitePosition[2];
}
```
main.cpp:
```c++
#include "SatPos.h"
#include <iostream>
#include <string>
int main()
{
SatPos satPos;
std::string obsTime;
int satNum;
std::string fileName;
std::cout << "Please enter observation time (e.g. 123456.789): ";
std::cin >> obsTime;
std::cout << "Please enter satellite number: ";
std::cin >> satNum;
std::cout << "Please enter Rinex file name: ";
std::cin >> fileName;
satPos.setObservationTime(obsTime);
satPos.setSatelliteNumber(satNum);
satPos.readRinexFile(fileName);
satPos.correctSatelliteClock();
satPos.calculateSatellitePosition();
std::cout << "Satellite position: (" << satPos.getX() << ", " << satPos.getY() << ", " << satPos.getZ() << ")" << std::endl;
return 0;
}
```
test.cpp:
```c++
#include "SatPos.h"
#include <cassert>
void testConstructor()
{
SatPos satPos;
assert(satPos.getX() == 0.0);
assert(satPos.getY() == 0.0);
assert(satPos.getZ() == 0.0);
}
void testReadRinexFile()
{
SatPos satPos;
satPos.readRinexFile("test.rnx");
assert(satPos.getX() == 10000000.0);
assert(satPos.getY() == 20000000.0);
assert(satPos.getZ() == 30000000.0);
}
int main()
{
testConstructor();
testReadRinexFile();
return 0;
}
```
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