介绍了自主开发的燃气负荷预测数据库系统的结构与功能。
The structure and functions of self-developed database system for forecasting gas load are introduced.
结合工程实例，论述了系统的燃气负荷预测和指标统计功能。
The functions for gas load forecast and index statistics of the system are discussed in combination with engineering example.
城市燃气负荷预测对于保证燃气企业的供气安全、优化调度等具有重要意义。
The urban gas load prediction has great significance for safe gas supply and optimized dispatching for gas enterprises.
燃气负荷预测包括长期负荷预测、中期负荷预测、短期负荷预测及超短期负荷预测。
Gas load forecasting include: long-term, middle-term, short-term, very short-term load forecasting.
在燃气负荷预测上虽然取得了一定的进展，仍然值得进一步的研究，去探索更加准确的预测模型。
Despite the progress made in gas load forecast, further research needs to be done to discover a more precise forecast modal.
负荷预测在燃气系统规划和运行调度方面发挥的重要作用，具有明显的经济效益。
Gas load forecast has great influence on the planning, operation and control of gas system and has obvious economic benefit.
城市燃气负荷是一个多工况、复杂的工程系统，本文采用时间序列方法对深圳的燃气负荷进行了分析和预测。
City gas load is a multi-mode and complicated engineering system. This paper analyzes and estimates the gas load of Shenzhen by using method of time series analysis.
城市燃气小时负荷的预测对于保证管网用气量，进行管网的优化调度，设备维修具有极其重要的意义。
The forecasting of city network hourly gas load plays an important role in ensuring the consumption of the gas network, in optimizing the modulation of network, and in the equipments maintenance.
燃气负荷受天气、温度、节假日及一些随机因素等影响，很难建立准确的预测模型。
As affected by weather, temperature, holidays as well as some other random factors, it is very difficult to establish prediction models for gas load.
提出了基于气温变化的燃气日负荷预测方法——温差系数法，取得了较好的预测效果。
A method for forecasting daily gas load based on air temperature variation, namely temperature difference coefficient method is put forward, and the satisfactory forecasting result is acquired.
实例表明，一次累加法预测模型精度高，预测结果可靠，可用于城市燃气年负荷预测。
The practical example shows that the forecast model based on once accumulation method has high precision and reliable result, it can be used to forecast the annual city gas load.
考虑近期我国燃气市场的需求，开发了城市燃气调峰负荷预测软件系统。
With view to the recent demand in gas market in China, a kind of software is designed for forecasting the peak-load gas regulation.
该模型根据示范点各大楼的冷、电负荷预测延时变化曲线，按照经济最优原则制定微型燃气轮机的发电计划。
The results show that the generation curves of micro turbine made by this optimal model can satisfy the operation economy and primary energy ratio index requirements of this project.
实例验证表明，燃气短期负荷预测小波分析综合模型有效地提高了负荷预测精度。
The example results indicated that the synthesis method based on the wavelet analysis on shortterm gas load prediction has effectively improved the prediction precision.
结合鞍山市燃气日负荷预测，论述了历史燃气负荷数据的处理方法。
Based on the forecast of daily gas load in Anshan City, the method for processing history data of gas load is discussed.
结合鞍山市燃气日负荷预测，论述了历史燃气负荷数据的处理方法。
Based on the forecast of daily gas load in Anshan City, the method for processing history data of gas load is discussed.
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