trigger n. (槍上的)扳機;【機械工程】扳柄;閘柄;制輪(機),制滑器;【物理學(xué)】觸發(fā)器,引爆器;【化學(xué)】(連鎖反應(yīng))引起物;〔轉(zhuǎn)〕觸發(fā)物;【電學(xué)】起動線路;起動裝置。 pull [press] the trigger 扳扳機,射擊。 quick on the trigger 打得快的;〔口語〕動不動就開槍的;敏速的;〔美俚〕性急的;三心兩意的。 vt. 扳動扳機射擊;觸發(fā),激起 (off)。 vi. 松開扳柄。
mode n. 1.法,樣,方法,方式。 2.模,型;樣式,體裁,款式;習(xí)慣。 3.風(fēng)尚;〔the mode〕流行,時髦。 4.【語法】= mood. 5.【音樂】(古希臘的)旋法調(diào),(近代的)調(diào)式。 6.【邏輯學(xué)】程式,樣式,論式;【統(tǒng)計】眾數(shù)。 all the mode 非常流行。 become the mode 流行起來。 in mode 正流行,新式。 out of mode 不流行,老式。
These triggering modes make it easy to synchronize can , and usb frames 這些觸發(fā)模式能容易實現(xiàn)與can和usb幀的同步
New trigger mode 支座可調(diào)
Forcetrigger : it can let hardware auto generate a proper trigger when you can ' t get trigger in auto trigger mode 使硬件自動產(chǎn)生一個適當(dāng)?shù)挠|發(fā),當(dāng)你在自動方式時不能得到觸發(fā)。
According to the reserved scanning address sequence , channel range and trigger mode , it can sample data . the module can change sample time and sample length . the sample data can be disposed by the cpu on board and then be stored in 64k ram 本模塊可根據(jù)預(yù)先設(shè)置的掃描地址序列、通道量程和觸發(fā)方式進行數(shù)據(jù)采集,采樣時鐘和采樣長度可以改變,測得數(shù)據(jù)經(jīng)過板上cpu的實時處理后在64k的存儲器中緩存。
It contains two a / d channels , every channel has a 4kx 16bit buffer . it has three flexible trigger modes : inner trig , outer trig and software trig . vvp platform can support up to 4 plug - in boards ( 8 channel a / d ) to work together 該模塊作為一塊vvp儀器平臺上的插板,采用20msps的16位a d轉(zhuǎn)換器,一塊插板上設(shè)計了2個高速a d轉(zhuǎn)換通道,每個通道有4k 16位的緩沖存儲器,可以內(nèi)部觸發(fā)、外部觸發(fā)和軟件觸發(fā)。
Either of them can meet the system . multiple ranges and multiple trigger modes choosing , calibration of card , data display , data saving and reading are all accomplished in software . we also talked about the difference between two methods 用圖形化編程語言labview和c + +語言兩種方式編寫的采集程序都滿足了系統(tǒng)要求,實現(xiàn)了多種量程、多種觸發(fā)方式以及多觸發(fā)邊沿的選擇,采集卡自校,數(shù)據(jù)顯示與存取等功能。
According to the test conditions , the double polarity inputting mode is adopted in the circuit of voltage - frequency converting part ; storage batteries are used in the optical emission part of optical fibre isolating and transmitting device , that can guarantee isolation between the main circuit and the testing system ; the 89c51 singlechip is used in the singlechip testing - controlling unit , the peripheral circuits are extended , data are transmitted through the serial port in this part ; the p opular software delphi5 . 0 is used in the pc part , the communication between singlechip and pc by serial port , plotting of current wave , regulation of data ; the optical - electrical isolating and triggering are used in the controlling part , this can guarantee the veracity and reliability of breakers triggered , this triggering mode is also used in the triggering of the main closing breaker , the tested breaker and the assistant breaker , the triggering signals are sent out by a singlechip 壓頻轉(zhuǎn)換部分電路中根據(jù)實際情況采用了雙極性輸入方式;光纖隔離傳輸裝置的光發(fā)射部分電源采用了蓄電池供電,確保了主回路與測試回路的完全隔離;單片機測控部分采用了89c51單片機,擴充了外圍電路,通過串口向pc機傳送數(shù)據(jù); pc機與單片機之間的串口通訊、波形繪制、數(shù)據(jù)管理等都采用了軟件delphi5 . 0編寫。該測試系統(tǒng)中預(yù)留了輸出口,可以對合成回路中的主合閘開關(guān)、被試開關(guān)、輔助開關(guān)進行觸發(fā),信號由單片機發(fā)出,控制部分采用了光電耦合隔離觸發(fā)的方法。軟件設(shè)計主要集中在對電流信號的數(shù)據(jù)采集、數(shù)據(jù)處理、數(shù)據(jù)傳送、人機界面、波形繪制和數(shù)據(jù)管理,軟件部分又可分為單片機和pc機程序設(shè)計兩大部分。
As far as the choice of the 1c is concerned , the pfc and pwm controller combo that is popular at the present time is chosen , because it can simplify designs and being synchronized trigger mode adopted , it can make peak to peak ripple voltage much small even on the condition of small capacitance 在功率因數(shù)校正芯片的選擇上,選用了國際上比較流行的pfc pwm復(fù)合芯片,這種芯片不僅可以簡化設(shè)計,而且由于采用上升沿下降沿觸發(fā)方式,在輸出濾波電容很小的情況下依然可以得到很小的電壓紋波。
The results show that the switch operates more steadily at trigger mode than at self - breakdown mode and its operating voltage range is related to such factors as the position of the trigger pin and gas pressure . it ' s also revealed that the switch has excellent operating characteristics , expecially low jitter and low misfire rate , when it operates at about eighty percent of self - breakdown voltage 研究結(jié)果表明:開關(guān)在自擊穿工作下的工作穩(wěn)定性遠(yuǎn)小于觸發(fā)工作時,開關(guān)工作范圍與觸發(fā)針位置和氣壓等因素有關(guān);開關(guān)電壓選擇在自擊穿電壓的大約80 %時,開關(guān)抖動小、誤觸發(fā)率低,具有較好的工作特性。
A data acquisition system with the following features is realized : ? transmission rate up to 100kbyte / s over usb ; ? system ' s dynamic range as high as 120 db ; ? multi - kind of trigger mode control ; ? sampling rate as high as 100 ksps ; ? 12 - bit a / d conversion accuracy ; ? 32k bytes on - board data memory ; ? the system , which was made up of large - scale electronic chips , is small , light and portable , and suitable for field use 本設(shè)計最終實現(xiàn)了一個瞬態(tài)信號數(shù)據(jù)采集系統(tǒng),它具有以下特點: ?采用usb接口進行高速數(shù)據(jù)傳輸,傳輸速度達100kbyte / s ; ?采用浮點a / d轉(zhuǎn)換技術(shù),動態(tài)范圍達120db ; ?多種采樣觸發(fā)控制方式; ?最高采樣率100ksps ; ? 12位采樣精度: ? 32kb數(shù)據(jù)緩存; ?使用新型大規(guī)模電子器件,系統(tǒng)結(jié)構(gòu)緊湊,重量輕,適合野外作業(yè)。