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- The display system "looks" for the zero crossing of the sync pulse. 終端顯示系統將識別這個(gè)同步脈沖的過(guò)零跳變。
- The BEMF zero crossing comparators are disabled during open-loop sped-up until the target velocity is reached. 反電動(dòng)勢的過(guò)零檢測開(kāi)始是沒(méi)有被使能的，直到電機轉子的速度達到了一定的速度。
- LFMCW radar nonlinear residual frequency errors zero crossing detection periodogram. 標 簽 LFMCW雷達 非線(xiàn)性剩余頻差 過(guò)零檢測 周期圖.
- Wavelet transform zero crossing detection method can be used for the coding and recognition of human iris. 使用小波變換過(guò)零檢測算法可實(shí)現人眼虹膜圖像的編碼和識別。
- May include some or all of the following: SAG and Peak detections, Peak level recording, Line Period measurement and Zero Crossing Detection. 可能包括下列功能中的部分功能或者全部功能:SAG及峰值檢測,峰值記錄,周期測量及過(guò)零檢測。
- And it searches much further for the unvoiced frame according to the ZCR(zero crossing rate),which is differ from unvoiced frame to background frame. 根據背景音和靜音過(guò)零率的不同,進(jìn)一步搜索符合要求的靜音幀;
- When the target velocity is reached, the BEMF zero crossing comparators are enabled before leaving the open-loop speed-up subroutine. 到這時(shí)，反電動(dòng)勢過(guò)零比較電路才開(kāi)始工作直到電機啟動(dòng)結束。
- The conventional back-EMF zero crossing method was restricted by hardware and control method,and to improve the detecting circuit reduce the influence. 常規反電勢過(guò)零檢測電路由于受到硬件及控制方法的影響,過(guò)零點(diǎn)信息不夠準確而且有較大的滯后,通過(guò)對檢測電路的改進(jìn)來(lái)減小這種影響。
- With Brushless DC(BLDC) motor to control special MCU, and ?the technology of zero crossing of back-electromotive force (BEMF),it achieves the control of BLDC's sensorless. 采用專(zhuān)用的無(wú)刷直流電機控制單片機，應用反電動(dòng)勢過(guò)零檢測技術(shù),實(shí)現無(wú)刷直流電機無(wú)位置傳感器的控制。
- The zero crossing signal of the true phase back EMF can be directly obtained from the motor terminal voltage by properly choosing the PWM and switch control strategy. 該方法不需要引出電機中性點(diǎn),通過(guò)選擇PWM和導通控制策略,就能直接從電機端電壓獲得反電勢過(guò)零點(diǎn)信號。
- SUONAN Jia-le,GE Yao-zhong,WANG Ding-an,et al.A new frequency measurement algorithm uninfluenced by zero crossing of voltage[J].Proceedings of the EPSA,1996,8(4): 19-21. [1]索南加樂(lè );葛耀中;王定安;等.;一種不受電壓過(guò)零點(diǎn)影響的新型頻率測量方法[J]
- The performances and characteristiss of the zero crossing digital demodulation is ana lysed through the comparison of various ways of Fsk signal digital demodulation. And ideal conclusion is reached. 對各種頻移鍵控信號的數字解調方法進(jìn)行了研究和比較，并重點(diǎn)分析了零交點(diǎn)數字解調法的性能特征，最后得出了一個(gè)最佳結論.
- Abstract: The performances and characteristiss of the zero crossing digital demodulation is ana lysed through the comparison of various ways of Fsk signal digital demodulation. And ideal conclusion is reached. 文摘:對各種頻移鍵控信號的數字解調方法進(jìn)行了研究和比較，并重點(diǎn)分析了零交點(diǎn)數字解調法的性能特征，最后得出了一個(gè)最佳結論.
- Hall sensors are mounted in such a way that the zero crossing of the BEMF occurs as close as possible to the zero crossing of the Hall sensor signal associated with the corresponding coil. 對于霍爾傳感器而言，其安裝位置的出發(fā)點(diǎn)要盡量使得各繞組對應的霍爾元件產(chǎn)生的信號的過(guò)零點(diǎn)與反電動(dòng)勢的過(guò)零點(diǎn)位置接近。
- The control circuit made up of double monostable circuit IC has realized some remarkable functions, such as cycle control, zero crossing trigger, and preventing from repeated and error trigger. 所設計的控制電路,利用雙單穩電路IC,實(shí)現了點(diǎn)焊過(guò)程周波控制、過(guò)零觸發(fā),以及防重觸發(fā)和誤觸發(fā)功能,保證了焊接過(guò)程穩定、可靠。
- Discrete-Time Hilbert transformer (12) isolates the only the positive spectral peaks, thus yielding a VAC signal that affords greater control over zero crossings. 一離散時(shí)間希爾伯特變換器(12)僅分離正的頻譜峰值，由此產(chǎn)生一VAC信號，該信號對過(guò)零點(diǎn)提供良好的控制。
- The mercury dived to ten below zero. 溫度突然下降到零下10度。
- SCR zero crossing triggering pulse output SCR可控硅過(guò)零觸發(fā)脈沖輸出
- Zero crossing forecast of synthesize test circuit 合成試驗回路的電流源電流零點(diǎn)預測
- It is rash to cross the street without looking both ways. 不朝兩邊看看就穿馬路是莽撞的。
