high accuracy frequency testing

基本解釋

Based on the theory of frequency testing , a system of the quartz calorimeter and the high accuracy frequency testing method are described .
本文以測(cè)頻理論為基礎(chǔ)，圍繞石英晶體量熱儀中測(cè)溫系統(tǒng)這一主題，討論了相關(guān)的高精度測(cè)頻技術(shù)，并進(jìn)行了試驗(yàn)研究。
The testing results indicate that the new apparatus has some notable characters as follows: (1) Fully digital closed circuit control system with high accuracy and wide frequency range of 0 20Hz;
新動(dòng)三軸裝置有幾個(gè)顯著特點(diǎn)：（1）實(shí)現(xiàn)了動(dòng)三軸系統(tǒng)的全數(shù)字閉環(huán)控制，實(shí)現(xiàn)了系統(tǒng)圍壓、反壓、液壓源的自動(dòng)控制和系統(tǒng)參數(shù)的自動(dòng)測(cè)量，有效地提高了系統(tǒng)的頻寬并改善了系統(tǒng)精度；
The testing data from simulated aerospace environment show that the adaptive controller has a characteristic of high accuracy of frequency-tracking as well as high accuracy of swing scan control.
實(shí)驗(yàn)測(cè)試結(jié)果表明，所設(shè)計(jì)的數(shù)字式自適應(yīng)控制器具有頻率跟蹤和擺幅控制精度高的特點(diǎn)。