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- In the paper, FWHM（half maximum and half width） method is used to determine the single pulse position. 但是，掃描相機掃描速度的不均勻性(或稱(chēng)非線(xiàn)性)是一個(gè)普遍存在的問(wèn)題，它直接影響到掃描時(shí)間的測量。
- The pulse position modulation(PPM) is widely used in indoor wireless infrared local network for its high power efficiency. 脈沖位置調制(PPM)具有功率利用率高的優(yōu)點(diǎn),在室內紅外無(wú)線(xiàn)局域網(wǎng)中得到廣泛的應用。
- The performance of digital impulse radio multiple-access receiver (DIRMA) with orthogonal M-ary pulse position modulation (PPM) is analyzed. 摘要本文分析了基于正交M元脈位調制的數字沖擊無(wú)線(xiàn)電多址接收機性能。
- This dissertation attempts to demodulate the Pulse Position Modulation (PPM) .It discusses the theories about this technology and makes simulation. 本文嘗試對脈沖位置調制(PPM)進(jìn)行解調，并進(jìn)行了相關(guān)的理論論證和仿真。
- Random pulse position modulation(RPPM) signal not only has good resolution of distance and velocity, but also has low probability of interception and strong properties of ECCM. 隨機脈位調制信號不僅具有良好的距離和速度分辨力，而且具有較低的被截獲概率和較高的抗干擾性能。
- To eliminate ultrasonic crosstalk,the Chaotic Pulse Position Modulation(CPPM)is used to construct the short triggering sequence for each ultrasonic transducer. 為消除串擾,采用混沌脈沖位置調制構造每個(gè)超聲換能器的短發(fā)射序列;
- Pulse position modulation(ppm. 脈沖調制
- DD, T/P ratio were positively correlated with ETx. eTx與 DD。 T/P比值之間，ET與nbH之間均存在有統計學(xué)意義的正相關(guān)關(guān)系；
- Has politeness positive correlation with tact? 此研究有兩個(gè)亟待解決的問(wèn)題：(1)禮貌與得體總呈正相關(guān)嗎?
- HSI data also show a positive correlation with GSI. 而肝臟粗脂肪含量在雌雄個(gè)體上有顯著(zhù)的差異，雌個(gè)體比雄個(gè)體高。
- PPM(Pulse Position Modulation), as one of key technologies in the atmosphere laser communication, arouses more and more attention by the virtue of high power efficiency and strong resistance to interference. 光脈沖位置調制(PPM)具有能量傳輸效率高(每光子傳輸的信息量),抗干擾能力強等優(yōu)點(diǎn),是大氣激光通信中的一項關(guān)鍵技術(shù),因此越來(lái)越受到人們的重視。
- The design method for hybrid waveforms utilizing ran-dom poly-cell code pulse position modulation (PPM) and pulse-to-pulse binary sequences phase modulation (PM) is introduced in thispaper. 該文提出了一種利用隨機多元碼脈位調制(PPM)和脈間偽隨機或隨機二元序列相位調制(PM)相結合的混合波形設計方法。
- A novel dual randomized PWM modulator with synchronous varying switching frequency and pulse position delay is proposed to reduce conducted electromagnetic interference (EMI) in power converters. 摘要提供了一種新的雙隨機脈沖調制技術(shù)，它能夠很好地減小電力電子系統中存在的傳導電磁干擾，這個(gè)調制技術(shù)是通過(guò)同時(shí)改變開(kāi)關(guān)頻率和脈沖的上升沿位置來(lái)實(shí)現的。
- The area of fibrosis was positively correlated with BUN and Scr. 腎間質(zhì)纖維化面積分別與BUN、Scr相關(guān)。
- In guomisi geogas, Zn ans Cd has notable positive correlation. 郭米寺地氣中Zn和Cd存在顯著(zhù)的正相關(guān)關(guān)系。
- BMR was positively correlated with fat free mass(FFM). 基礎代謝與去脂組織(FFM)呈顯著(zhù)正相關(guān) ,用 FFM校正以后 ,基礎代謝的能量消耗肥胖組兒童仍然高于非肥胖組兒童。
- The CRP level and CSS are positive correlated with TLR4. ACS 患者外周血單核細胞TLR4水平與CRP 及CSS 呈正相關(guān)。
- The PPM(Pulse Positioning Modulation) of the BPL signal is the key problem to expanding the BPL channel as a communication channel. 實(shí)現BPL長(cháng)波信道通信能力擴展的一個(gè)重要技術(shù)環(huán)節是對組重復間隔(GRI)脈沖的脈位調制。
- There was a positive correlation among HAMD/HAMA and GSRS. HAMD/HAMA和GSRS評分間有一定相關(guān)性，即IBS患者的情緒障礙與腹部癥狀有一定相關(guān)性。
- The ages wers not positively correlated to the hair Pb levels. 男女發(fā)鉛“超標流行率”有顯著(zhù)性差異；無(wú)論男女年齡與發(fā)鉛值均無(wú)相關(guān)。
