precision n. 精密,精確性;嚴格;精密度;【修辭學】精確。 arms of precision 裝有瞄準儀的槍炮。 adj. 精確的,精密的。 precision apparatus 精密儀器。 a precision balance 精密天平。 a precision fire 準確射擊。
sampling n. 1.取樣(品),取標(本)〔指行動或程序〕。 2.樣品,標本。 3. 剽竊拼湊歌曲。
For satisfying the requirement of sampling rate and sampling precision about rf receiver , in this dissertation , we design and constructed a high - speed and high - precision data acquisition system working at 90 mhz sampling frequency 為了滿足射頻接收機對前端數(shù)據(jù)采集的速率和精度要求,本文設計并研制了一種基于ad6645的高速數(shù)據(jù)采集模塊,經測試證明模塊的性能完全滿足接收機的要求。
It suits in 220 500kv voltage rank ’ s electrical power system breakdown recording . uses 32 - bit embedded microprocessor arm and the high speed dsp multi - tasking ; designs the fpga hardware data sampling controller to produce the control signals , and guarantee sampling precision ; may record 36 groups analog signals and 80 groups switches signals ; uses distributed and modular design distributionally , may dispersely install in the screen cabinet , also may be linked to a management computer or transfer data to the far control center through the 10m / 100m ethernet 它適合于220 500kv電壓等級的電力系統(tǒng)故障錄波。采用32位嵌入式微處理器arm與高速dsp并行工作;設計了fpga硬件數(shù)據(jù)采樣控制器產生控制信號,保證采樣精度;可以記錄36路模擬量和80路開關量;采用分布式、模塊化設計,可以分散安裝在屏柜中,也可以通過10m / 100m以太網級連到一臺所級計算機或遠傳到調度中心。