frequency multiplication造句
例句與造句
- The simulation results show the feasibility of this method which provides a new and simple way through hardware linear multiplication for frequency multiplication of periodic signal with unequal periods
該方法采用硬件線性細(xì)分,為解決非等周期信號的倍頻問題提供了一種簡便易行的方案。 - In order to reduce the effect of variable speed on the resolution improvement via linear frequency multiplication in double - frequency laser interferometric system of displacement measurement , this paper presents a new adaptive digital linear frequency multiplication method
摘要針對雙頻激光干涉測長系統(tǒng)中物體變速對信號線性倍頻提高測量分辨率的影響,提出一種數(shù)字自適應(yīng)線性倍頻方法。 - Finally , the article introduces the bits equipment ( clockstar ) that the author participates in tapping in wri ( fiberhome under wri ) , which applies the dds technique and different frequency multiplication technique to the equipment and analyzes the circuit diagram tapped by the author himself
論文最后介紹本人在武漢郵電科學(xué)研究院(烽火通信公司)親自參與開發(fā)的bits設(shè)備clockstar ,并將dds技術(shù)、差頻倍增技術(shù)應(yīng)用于該設(shè)備,分析本人實際制作的電路。 - Basing on the operating characteristics of the pmsm machine tool spindle drive system , a novel frequency multiplication circuits which can be switch to 2 or 4 times of base frequency is proposed in the paper . it resolves the paradox of using a same photoelectric encoder under high and low speed operating condition of motors
它能夠根據(jù)指令實時的對編碼器反饋回來的電機(jī)速度信號進(jìn)行2倍頻或4倍頻處理,解決了用同一個編碼器來檢測電機(jī)低速和高速的矛盾。 - The paper , for the harmonics detection method used in power system , presents an sampling method based on frequency multiplication phase - locked . through phase - locked loop to track the power wave , which not only reduces the affect of spectrum leakage to the harmonics analysis , but also realizes quick . accurate and , real - time measurement
本論文主要針對電力系統(tǒng)中采用的諧波測量方法而提出的一種基于鎖相倍頻采集方法,通過鎖相環(huán)對電力波形進(jìn)行實時跟蹤,既解決了頻譜泄漏對諧波測量精度的影響,又實現(xiàn)了快速的,準(zhǔn)確的,實時性的測量。 - It's difficult to find frequency multiplication in a sentence. 用frequency multiplication造句挺難的
- The paper first discusses several kinds of general analysis methods used in power system and one ' s own pluses and minuses , especially discusses the harmonics detection method and its apt shortcoming that produce ? frequency spectrum leakage , and the reason produced , in order to solve this problem , the technology of frequency multiplication phase - locked is used to make sample frequency in pace with power wave frequency , and vary with power wave
論文首先從理論上介紹了關(guān)于電力系統(tǒng)檢測的幾種常用方法及其各自的優(yōu)缺點,重要介紹其中的通過fft變換的諧波測量方法,并討論了該方法易產(chǎn)生的缺點- - -頻譜泄漏問題,及其產(chǎn)生的原因,為了解決這一問題而引入了鎖相倍頻采集技術(shù),使得采樣與電網(wǎng)同步,隨電網(wǎng)的變化而變化。 - Based on above - mentioned schemes , the power detection system based on tms320vc5410 is designed , which realizes collection , a / d , digital signal processing . keyboard . display and uart ? the ad73360 gather chip commonly used in power system is used in front of the power detection system , and the circuit of frequency multiplication phase - locked is consisted of phase - locked loop device ? d4046 and frequency division device cd4060 to produce the gather signal of ad73360 frequently , the gather wave and re sult can be displayed on lcd
基于上述方案,本人設(shè)計開發(fā)了基于tms320vc5410的電力采集檢測系統(tǒng)?;緦崿F(xiàn)了采集、 a d轉(zhuǎn)換、數(shù)字信號處理、鍵盤顯示、異步通信等系統(tǒng)軟硬件設(shè)計。該系統(tǒng)前端采用電力系統(tǒng)常用的ad73360采集芯片,鎖相倍頻電路由鎖相環(huán)cd4046與分頻器cd4060一起構(gòu)成,產(chǎn)生ad73360采集觸發(fā)信號。 - According the demands with frequency source by full - coherent mm - wave radars , this paper combined the three styles of frequency synthesis and developed a type of low - phase noise and spur 、 narrow - step 、 frequency - agile 、 coherent mm - wave frequency synthesizer . it comprises of two sections : microwave section and mm - wave section . microwave section includes dds 、 pll and x band frequency multiplication chain
本文根據(jù)全相參毫米波雷達(dá)對頻率源的要求,在理論分析的基礎(chǔ)上將dds和m / npll相結(jié)合,研制出一種窄步進(jìn)、捷變頻的kaband全相參毫米波頻率源,輸出kaband本振和發(fā)射兩路信號,頻差60mhz 。