sample n. 1.樣品,貨樣。 2.標(biāo)本;榜樣,實例。 3.【統(tǒng)計】典型取樣,抽檢查。 4.【電訊】信號瞬時值。 5.【冶金】 〔 pl. 〕 鋅華。 That is a fair sample of his manners. 那就是他的典型態(tài)度。 a light sample 光脈沖。 up to sample 1. 和樣品一樣[相符]。 2. 可以接受的,可以同意的。 vt. 從…取樣,從…抽樣;提供;貨樣;對…進(jìn)行抽樣檢查。
At last by computer simulation the errors of sampling power measurement 最后,仿真給出了a/d參數(shù)影響采樣功率測量誤差的曲線。
The concepts of filtering and sampling power system voltage and current signals for harmonic analysis using the fast fourier transform ( fft ) algorithm by a digital signal processor are introduced 軟件算法方面,系統(tǒng)采用傳統(tǒng)的快速付立葉變換(fft),對采集的電壓和電流信號進(jìn)行頻譜分析。
Supported by heilongjiang province natural science foundation projects " research on the errors mechanism of time division a . c . power measurement " ( no . e9719 ), " research on theory of analog digital mixed sampling power energy measurement " ( no . e01-15 ) and foundation for university key teacher by the ministry of education " the research on the low audio frequency a . c . power measurement smart instrument " ( no . 1087 ), in this dissertation it is made that a systematic and deep study on power measurement model errors and instrument errors about analog sampling, digital sampling and mixed sampling measurement, and fully experiments about mixed sampling measurement 本學(xué)位論文在黑龍江省自然科學(xué)基金資助項目“時分割交流功率測量原理誤差產(chǎn)生機理的理論研究”(編號:e9719),“模擬數(shù)字混合采樣功率與電能測量的理論研究”(編號:e01-15)和教育部高等學(xué)校骨干教師資助計劃項目“中頻電功率測量智能儀器的研制”(編號:1087)的資助下,以電功率模擬采樣測量、數(shù)字采樣測量和混合采樣測量方法為對象,對電功率測量的原理誤差和儀器誤差進(jìn)行了系統(tǒng)和深入的理論研究和有關(guān)的實驗研究。