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 .
本文以測頻理論為基礎，圍繞石英晶體量熱儀中測溫系統(tǒng)這一主題，討論了相關的高精度測頻技術，并進行了試驗研究。
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;
新動三軸裝置有幾個顯著特點：（1）實現(xiàn)了動三軸系統(tǒng)的全數(shù)字閉環(huán)控制，實現(xiàn)了系統(tǒng)圍壓、反壓、液壓源的自動控制和系統(tǒng)參數(shù)的自動測量，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.
實驗測試結果表明，所設計的數(shù)字式自適應控制器具有頻率跟蹤和擺幅控制精度高的特點。