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- pulse position keying demodulator 脈位鍵控解調器
- 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。
- 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。
- 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。
- 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。
- Adjust parameters to determine reguired stitch lengths from 10-99 by conversion modes1.2 Or3, i. E., By pressing speed key, needle stitch Key or needle position key. 用于修正針跡參數,對倒順縫針跡誤差進(jìn)行補償。調整為1、2、3三種模式,切換通過(guò)針跡設定鍵和針位設定鍵以及縫速設定鍵調整。調整范圍為10-99。
- 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
- 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。
- An unwanted false electronic pulse. 一種不希望有的假電子脈沖。
- Chaos Control in Chaotic Pulse Position Modulation 混沌脈沖位置調制中的混沌控制
- QPPM Quantized Pulse Position Modulation 量化脈沖調位
- The wood is held in position by a clamp. 木頭用鉗夾固定住了。
- The girl is quite suited for the position [work]. 這姑娘很適合擔任這個(gè)職務(wù)[這個(gè)工作]。
- I can live in clover when I get that position. 我得到那個(gè)職位便可過(guò)上優(yōu)裕的生活。
- He bribes his leader to consolidate his position. 他賄賂他的領(lǐng)導來(lái)鞏固他的地位。
