frequency accuracy造句
例句與造句
- Frequency accuracy check at 6 different frequency settings at one voltage level ( normally at 1 v )
一個(gè)電壓電平(一般為1v )六個(gè)不同頻率的頻率準(zhǔn)確度檢查。 - The 33250a tcxo timebase gives you frequency accuracy of 1 ppm for your most demanding applications
33250a tcxo時(shí)基可達(dá)到1ppm頻率準(zhǔn)確度,從而適應(yīng)有最嚴(yán)格要求的應(yīng)用 - In every signal you produce , from the sine wave frequency accuracy to the fast rise fall times of square waves , to
其好處是您能修飾所產(chǎn)生的每一個(gè)信號(hào),從正弦波的頻率精度方波 - Additional voltage measurement at other frequency settings as well as frequency accuracy check may be offered at extra charge
本所亦可提供在其他頻率的電壓測(cè)量服務(wù)及頻率準(zhǔn)確度檢查,但須另行收費(fèi)。 - The basic calibration of a rf signal generator normally includes tests on output level accuracy , level flatness , and frequency accuracy
射頻信號(hào)發(fā)生器的基本校正工作一般包括測(cè)試輸出電平準(zhǔn)確度、電平不平坦度及頻率準(zhǔn)確度。 - It's difficult to find frequency accuracy in a sentence. 用frequency accuracy造句挺難的
- The laboratory offers calibration service for watchesstop watches with internal crystal and step motor . the calibration of watchesstop watches includes the measurement of its relative frequency accuracy
計(jì)時(shí)表本所為石英及機(jī)械表提供校正服務(wù),包括測(cè)量計(jì)時(shí)表內(nèi)部頻率的準(zhǔn)確度。 - The calibration of a spectrum analyser normally includes checks on frequency accuracy , level flatness , level linearity , input attenuation and calibration reference output
頻譜分析器的校正工作一般包括檢查頻率準(zhǔn)確度、功率電平不平坦度、標(biāo)度線性、輸入衰減及參考輸出值的校正。 - The merits of dds such as super fine frequency resdutlon 、 high frequency accuracy 、 easy programmed can be in combination with the excellent character of narrow - band tracing filter merits of pll
它可以將dds的超高頻率分辨率、高頻率精確度、容易實(shí)現(xiàn)程控等優(yōu)點(diǎn)與鎖相環(huán)良好的窄帶跟蹤濾波特性相結(jié)合。 - By making full use of favourable narrow - band tracing filter character of pll and by combining the merits of dds such as super fine frequency resolution 、 high frequency accuracy 、 very fast frequency hoping with it , the pll / pll + dds frequency synthesizer presents wide band high quality source and super small frequency hoping step . while the electronically tuned filter abates the image interference and notably improves the selectivity . the theorem of frequency synthesizer and center - frequency - fixed filter is simply but adequately introduced first in this paper
課題中所采用的pll或dds pll鎖相頻率合成方法充分發(fā)揮鎖相環(huán)良好的窄帶跟蹤濾波特性,并結(jié)合dds的高頻率分辨率、高頻率精確度和高速頻率捷變等優(yōu)點(diǎn),分別實(shí)現(xiàn)了系統(tǒng)所要求的高質(zhì)量寬帶本振源和小步長(zhǎng)頻率捷變;采用電調(diào)諧選頻技術(shù),則大大改善了接收機(jī)的選擇性和抗干擾能力。 - In this system two oscillator are used for mixing . pll for high local oscillator and dds + pll for low local oscillator . by making full use of favourable narrow - band tracing filter character of pll and by combining the merits of dds such as super fine frequency resolution , high frequency accuracy , very fast frequency hoping with it , the pll / pll + dds frequency synthesizer presents wide band high quality source and super small frequency hoping step
系統(tǒng)采用兩次混頻,其中高本振的設(shè)計(jì)采用pll鎖相環(huán)頻率合成來(lái)實(shí)現(xiàn),充分發(fā)揮了鎖相環(huán)頻率合成器的優(yōu)良特性,實(shí)現(xiàn)了系統(tǒng)所要求的高質(zhì)量寬頻帶本振源;低本振采用pll + dds頻率合成來(lái)實(shí)現(xiàn),結(jié)合pll優(yōu)良的鎖相特性與dds的高頻率分辨率、高頻率精確度等優(yōu)點(diǎn),實(shí)現(xiàn)了頻率的小步進(jìn)高精度合成。