觸發頻率 的英文怎麼說
中文拼音 [chùfābīnlǜ]
觸發頻率
英文
fipping frequency-
This paper analyzes the characteristics of rainfield and raindrops, gives - formulae to calculate falling velocity of raindrops, studies the frequency of raindrops hitting detonating area of fuzes head on ballistic trajectory based on the theory of exterior ballistics and uses statistical theory to study methods of rainfield simulation
本文分析了雨場和雨滴的各種特性,給出了雨滴降落速度的計算公式,利用外彈道學的理論研究了引信頭部觸發區在彈道上與雨滴碰撞的頻率,同時還採用統計學手段對雨場模擬的方法進行了研究。The new technology of non - contact life - parameter detection is relative to that of the normal contact one, which uses microwave beams to illuminate the human subject, whose reflected wave will be modulated by the surface movement resulting from the physical activity. by this way, some parameters of the reflected wave, such as frequency and phase will be changed. if these changes can be detected, the life parameters such as respiration rate and heartbeat rate will be extracted from those changes
非接觸生命參數檢測是相對于常規的接觸式檢測而言的一種新技術,它利用微波束照射人體,其回波信號被人體生命活動引起的體表微動所調制,使得回波信號的某些參數(如頻率、相位)發生改變,檢測到這些變化就能從中提取出人體的生命參數(如呼吸或心跳) 。When the frequency of input signal is high enough, we could n ' t capture it by real - time sampling. in this situation, the only choice is equivalent - time sampling. we reconstruct signal with several random sampling series by multi - trigger
當信號的頻率足夠高時,實時采樣技術已經不能滿足要求,唯一的選擇是採用等價采樣技術:通過多次觸發,用多個隨機采樣序列重建信號。The main circuit is consisted of 18 thyristors circuit and protection circuit. with the help of control subsystem, it can get the output of low frequency voltage ( current ) with the shape of sine wave ; the core of the control subsystem is the cpu of 87c196kc, and the synchronization circuit, the pulse - widen circuit, and the power - enlarged circuit form the accessorial subsystem of the control system. it possesses all the functions of digital triggering, digital tuning, analog / digital conversion ; the input transfer can isolate the input and output ; and the circumfluence reactor can reduce the circumfluence
主迴路採用由18個晶閘管組成的三相零式電路,並輔以晶閘管的保護電路,通過控制可以得到低頻正弦波的電壓(電流)輸出;控制迴路主要以87c196kccpu為核心,其外圍電路包括同步電路,脈沖拓寬電路,功率放大驅動電路等,完成了數字觸發、數字調節、模數轉換等功能;進線電源變壓器具有變壓和隔離作用;環流電抗器則實現了有效抑制主迴路瞬時脈動環流的功能。Therefore, pulls out delivers the frequency to be higher, with are more in the unit interval / unit time internal contact ' s opportunity, this may enable the main center in unit of time to obtain more information, is easier the excitable pleasant sensation response
因此,抽送頻率越高,與在單位時間內接觸的機會就越多,這就可以使性中樞在單位時間內得到更多的信息,就更容易激發性快感反應。In this part, the high - frequency series inverter with resonant pole capacitor is introduced mainly. the current - exchanging processes of the inverter in different working modes are analyzed, how to reduce the switching loss is discussed, and the calculating methods of snubber capacitor c, factor angle switching frequency and pulse width pw are given in optimum switching process. and results of simulation and experiment verify the validity of theoretic analysis
接著重點研究了含有諧振極無損緩沖電容的逆變器,對其換流過程中的不同工作狀態進行分析,討論了如何減小逆變器的開關損耗,給出了最佳工作狀態下緩沖電容c 、感性角、開關頻率、觸發脈沖的脈寬pw的詳細計算方法,並通過大量的模擬和實驗波形證明了理論分析的正確性。The electrical damping within the whole subsynchronous frequency range is calculated. the impacts of the unit interaction factor between hvdc and turbine generator, the dc power level, the firing delay angle and the parameter settings of hvdc controller on the have the potential danger of subsynchronous oscillation
在整個次同步頻率范圍內,計算得到了系統電氣阻尼,並詳盡地分析了同步發電機與hvdc的耦合程度、直流輸送功率水平,換流閥觸發角大小以及控制器參數等因素對系統電氣阻尼的影響。In the time - domain, based on the principle of random sampling of dso. two way ( " time amplifing in dual slope integral " and " time - voltage convert " ) are implemented to measure the time between the system triger and writing clock. thus random sampling interpolate can be done to measure repeated signal in high frequency with the a / d convert and controller which frequency are lower
在時域,根據數字示波器隨機取樣原理,用兩種方法(雙斜率積分時間放大測量方法和時間? ?電壓轉換測量方法)測量數字示波器系統觸發和采樣寫時鐘間時間間隔,用低速a / d轉換器及控制器進行模?數轉換和控制,以此進行隨機取樣內插,從而實現了對高頻率重復信號的測量。Relay - contactor control unit is employed in pulse power supply to fulfill the function of charging, discharging and fast charging which has the features of the strong ability against the violent electromagnetic interference and the high stability
脈沖電源的充電、泄放電和快速充電等單元的控制採用抗干擾能力很強的繼電器?接觸器控制單元來完成。運行頻率的設定以及快速晶閘管觸發脈沖的產生由計算機控制單元完成。With the conduction property of the triggered thyristor and the intellective numerical controlled frequency reduction of the triggering pulse by mpu, we can divide alternating current into several complete sinusoidal waves to supply some loads. it can be made as a controller or a pcb ware, which is suitable for the air conditioning, machine tool and various instruments that require electric power or rotate speed adjustment
利用晶閘管的觸發導通特性,用單片機對觸發信號進行智能數字降頻,可在交流電中切分出部分完整的正弦波形供負載使用,可以單獨做成一臺控制儀器或者作為一個控制電路板用於需要電功率和轉速調節的空調、機床以及各類儀器設備中。The input voltage of the piezoresistive transducer, gain, sampling frequency and negative delay can respectively be graded through programming. the stored system is specially designed to have two modes of trigger ( namely, external trigger through wire breakage and inner trigger through overpressure signal ), reading software and interface circuit that are of
該測試系統可通過編程選擇傳感器供電電壓(兩檔) 、放大倍數(四種) 、采樣頻率(四種) 、負延遲(四種) ;同時具有斷線外觸發和超壓信號內觸發兩種觸發方式;讀數的軟體和介面電路都具有串併兼容特性;系統還具有狀態自檢和定時上電等功能。Dj3032 supply a positive trigger pin. build - in delay time is about 3 sec. el frequency select by op1 and op2. please refer el frequency select table
Dj3032提供1正觸發輸入腳,內建延遲時間約3秒鐘, dj3032以op1 、 op2來選擇el頻率,請參考el頻率選擇表。This cpld based on - site monitoring data acquisition card can flexibly realize 3 triggering ways, including software triggering, hardware triggering and external triggering. in addition, this card can also realize optional 128 or 256 signal multiple frequency sampling. the fifo module in cpld ' s inner eabs ( embed array blocks ) further lead to the convenience of data saving and loading
由於引入了cpld的控制技術,使數據採集卡的工作方式更靈活,可實現3種觸發方式的任意選擇,包括軟體觸發,硬體觸發和外部觸發;采樣率可控制,可選擇128或256信號倍頻;由於cpld內部有eab模塊,可實現內部fif0 ,使數據的存取更為方便。As an innovation, the precise control of exeimer laser external trigging was achieved, including external trigging pulse and frequency, which makes possible the linked motion of xyz worktable, laser external trigging, and rotatable table
在硬體設計上的創新點是我們實現了對準分子激光外觸發的精確控制,包括激光脈沖個數和脈沖頻率。從而實現了工作臺位移運動與激光外觸發、轉臺轉動的聯動。In this paper, low power flip - flops designs by the reduction of the load of clock or the data path ; by the reduction of clock swing ; by the reduction of clock frequency and by the reduction of those idle transitions in cmos circuits with clock gating are discussed
與此相對應的,在本論文中,分別對將少時鐘負載或數據通路的負載的觸發器設計;減小時鐘信號幅度的觸發器設計;降低時鐘頻率的雙邊沿觸發器設計以及應用門控技術來減少觸發器無效跳變設計的觸發器結構進行了討論。After having analyzed the theory of the calculator circuit thoroughly, the author made use of the characteristic of the calendar circuit and put forward a new design method, namely replacing the static circuit with the dynamic circuit to reduce the area of whole chip. now the author has finished the design of the calendar circuit and accomplished the layout design with the full - custom method
本文作者在透徹分析計算器原理的基礎上,利用萬年歷電路的工作頻率的特點,提出了以cmos動態門代替靜態觸發器的設計方法,獨立設計出萬年歷部分電路,將其與計算器部分電路緊密融合,構成一塊完整的數字大規模集成電路,並以全定製的方法實現了整個晶元的版圖設計。Dynamic power is dominant component of the average power dissipation in cmos circuits. and the value of dynamic power is determined by node capacitance, supply voltage, clock frequency and switching activity of cmos circuits. so most low power designs are achieved by reducing one or more those above parameters
由於cmos電路的功耗與cmos電路的負載電容,電壓,時鐘頻率及開關活動性有關,因此在低功耗cmos觸發器設計過程中,許多低功耗設計技術都可以歸結到通過減小上面的參數來達到低功耗的目的。Different vibration characteristics between the two models are discussed. geometry mismatch in a turbine blade root, which arose in manufacturing process or caused by wearing out during service, leads to contact conditions changed in fir - tree attachments
汽輪機葉根製造尺寸誤差或運行磨損造成的尺寸改變會導致葉根與輪盤接觸狀態變化,進而引起葉片固有頻率發生漂移,並有可能接近共振頻率而導致葉片事故。The module is composed of the vxibus interface, data acquisition and storage circuit, analog conditioning circuit and trigger control circuit. measurements such as period, frequency, voltage, pulse width are supported by the acquisition and storage of the input signals
該模塊主要由vxi介面電路,數據採集及存儲電路,信號調理電路和觸發控制電路等各部分組成,可以完成信號的採集、存儲,支持信號的周期,頻率,幅度,脈寬等參數的測量。In the realization of the inverter control circuit, the signal from the pll is input to ir2110 via adjusting phase and forming dead time. sg3525 is selected as the core device of the chopper. meanwhile. two pulse that will input to the chopper can be obtained by simple design. besides. the circuit of which core chip is dsp is described
在逆變控制電路的具體實現中,用鎖相環作為頻率跟蹤的核心器件,經相位調整、死區形成等環節得到兩路觸發信號,輸入到ir2110中即可作為逆變器的驅動信號。分享友人