field statistics meaning in Chinese

现场统计

The system is compatible with the various different types a / d converters , carry out the functions of the vibration signal sampling , the saving of data file , the timely wave showing , the configuration table edit , the former data return and data analysis etc . the functions of signal analysis include the time field statistics analysis , the time field mutual analyzing , the frequency spectrum analyzing , the relevant analysis , the transmission function analysis , the demodulating analysis , and the short fourier transformation of the time and frequency field etc . experiments verify that the system carry out stably and credibility , various functions is achieved , has precise analyzing results , high calculating speed and high precision , the expected targets have been reached
该系统可以兼容多种不同型号的数据采集设备,实现了振动信号的采集、数据文件的存储、波形的实时显示、组态表编辑、历史数据回放与数据分析等功能。系统的信号分析功能包括时域统计分析、时域相关分析、频谱分析、相干分析、传递函数分析、解调分析以及时频分析中的短时傅立叶变换等。经试验验证表明,系统运行稳定可靠,各项功能工作正常,数据分析结果准确、运算速度快、精度高,达到了预期设计目的。