pulse n. 1.脈搏;有節(jié)奏的跳動(dòng);【動(dòng)物;動(dòng)物學(xué)】脈沖(波);脈動(dòng)。 2.意向;傾向。 3.【音樂(lè)】拍子,律動(dòng)。 His pulse was at a hundred. 他的脈搏(每分鐘)一百次。 a galloping pulse 急脈。 a high pulse 強(qiáng)脈。 a long [ slow ] pulse 緩脈。 a weak pulse 弱脈。 an action pulse (火箭)觸發(fā)脈沖。 a carry pulse 進(jìn)位脈沖。 a driving pulse 起動(dòng)脈沖。 feel sb.'s pulse =have one's fingers on the pulse of sb. 按某人的脈;探某人的意向。 stir sb.'s pulses 鼓動(dòng)某人的情緒;使人興奮。 with quickened pulses 心跳得更快地。 vi. 脈跳動(dòng);震動(dòng);脈動(dòng)。 vt. 使發(fā)生脈沖;用脈沖輸送(血等) (in out)。 n. 〔sing., pl. 〕 豆類(lèi);豆。
Study of a 10 kv igbt solid - state pulse modulator technique 固態(tài)脈沖調(diào)制器技術(shù)研究
Blank detail specification for pulse modulator tubes 脈沖調(diào)制管空白詳細(xì)規(guī)范
Study on a new solid - state high power pulsed modulator 一種新型固態(tài)大功率脈沖調(diào)制器的研究
Experimental study on mosfet pulse modulator 調(diào)制器的實(shí)驗(yàn)研究
Measurements of the electrical properties of electronic tubes . part 23 : methods of measurement of vacuum pulse modulator tubes and valves 電子管電性能的測(cè)量.第23部分:真空脈沖調(diào)制管的測(cè)量方法
The forming mechanism of crosstalks in the tdm system was analyzed theoretically , and the relationship between crosstalks and the extinction ratio of optical pulse modulator used in the tdm system was investigated . the interchannel and intrachannel crosstalks in the wdm system were discussed separately , and the contributions to crosstalks were appraised from architecture ’ s alteration , the finite isolation between channels in multiplexers or demultiplexers , and nonlinear effects in the system . noises in the large - scale multiplexing system were studied theoretically , and all kinds of factors were considered that have relation to noises , phase resolution , and dynamic range of the system , such as multiplexing channel number , the length of the transmission fiber , using in - line erbium - dropped fiber amplifiers or not , and so on 本文從理論上分析了光纖水聽(tīng)器時(shí)分復(fù)用系統(tǒng)串?dāng)_的形成機(jī)理,分析了光脈沖調(diào)制器的消光比與系統(tǒng)串?dāng)_的關(guān)系;分別對(duì)光纖水聽(tīng)器波分復(fù)用系統(tǒng)的異頻串?dāng)_和同頻串?dāng)_進(jìn)行了理論分析,研究了光纖水聽(tīng)器波分復(fù)用結(jié)構(gòu)、波分復(fù)用器與解復(fù)用器隔離度等因素以及非線性效應(yīng)對(duì)系統(tǒng)串?dāng)_的影響;對(duì)大規(guī)模光纖水聽(tīng)器復(fù)用系統(tǒng)噪聲進(jìn)行深入細(xì)致的理論分析,研究了系統(tǒng)噪聲、相位分辨率、動(dòng)態(tài)范圍與復(fù)用數(shù)目、傳輸光纖長(zhǎng)度、中繼光纖放大器等諸多因素的關(guān)系。