noise switching 中文意思是什麼

noise switching 解釋
噪聲倒換
  • noise : n 1 聲音，聲響。2 叫喊；嘈雜聲，噪音；喧鬧聲；吵鬧，騷動，騷擾。3 〈古語〉謠言，風聲。4 〈美國〉...
  • switching : 變換
  1. Many new technologies, including soft switching technology, al substrate, smt, planar transformer and noise suppressors are applied

    樣機運用了軟開關技術、鋁基板、表面貼裝技術、平面變壓器和尖峰抑制器等新技術。
  2. A novel bi - directional dc / dc converter was introduced in the dissertation, which based on refer much converter data. the soft switching, phase - shifted pwm and bi - directional dc / dc converter hang together, depress circuit switch ullage and noise effectively, which provide condition to increase switch frequency, efficiency and reduce size and weight for the converter ; at the same, the converter have the virtue of structure compact, voltage and current stress small etc such as ordinary hard switch converter

    本文作者在查閱國內外大量雙向dc dc變換器資料的基礎上，採用一種新型雙向dc dc變換器的拓撲結構，把軟開關技術和移相控制pwm技術以及雙向dc dc變換器技術有機結合在一起，有效地降低了電路的開關損耗和開關噪聲，為變換器裝置提高開關頻率、效率以及降低尺寸及重量提供了良好的條件。
  3. Schottly barrier diode can be used as rectifying and continuous - flow unit in high frequency rectifying, switching and holding circuit, yet reducing the power consumption and circuit noise, enhancing the circuit efficiency and operation frequency

    肖特基二極體在高頻整流、開關電路和保護電路中作為整流和續流元件，可以大幅度降低功耗，提高電路效率和使用頻率，減少電路噪聲。
  4. It is shown that, similar to the low frequency approximation, the more ideal the switching pair commutates currents, the less the switching pair contributes to the overall output noise

    我們證明了，與低頻近似模型相似，混頻器中的開關對的開關性能越好，則輸出噪聲越小。
  5. The soft switching, phase - shifted pwm and bi - directional dc - dc converter hang together, depress circuit switching loss and noise effectively, which provide condition to increase switch frequency, efficiency and reduce size and weight for the converter ; at the same time, it is proved the converter can achieve zvs in larger load variation, and the converter has the virtue of structure compact, voltage and current stress small such as ordinary hard switch converter

    該變換器把軟開關技術和相移控制pwm技術以及雙向dc - dc變換器技術有機結合在一起，有效地降低了電路的開關損耗和開關噪聲，為變換器裝置提高開關頻率、效率以及降低尺寸及重量提供了良好的條件;同時，能拓寬零電壓開關的范圍，使變換器在較寬的負載變化范圍內都能實現軟開關。
  6. Chaotic switching modulations introduce low - frequency harmonic spectrum of output voltage as random switching modulation. in some case, low - frequency noise ripple offset the effect chaotic switching modulations reduce the level of emi. it indicates that the ccfmfd integrates the advantages of spreading harmonic power at the multiples of the switching frequency and not introducing significant noise ripple at low - frequency range. among all chaotic switching modulations, the ccfmfd is considered as the best choice in applying to dc / dc converter

    與隨機調制模式相同，混沌開關調制模式也引入輸出低頻噪聲紋波，有些情況下低頻噪聲紋波可能抵消混沌開關調制降低emi水平的效果。分析表明： ccfmfd模式具有較好的降低emi水平和引入較小低頻紋波的優點，可以作為混沌調制模式較佳的選擇。
  7. The precise clock source is crystal oscillator made of 74hc04 ; the mute circuit can conceal the error and solve the problem of noise ; the antenna switching circuit in the receiver is to select one antenna from two which receives signal better. it can improve the quality of the receiving audio signal, restrain the noise effectively and promote the system performance

    高精度的時鐘源是由74hc04構成的晶體振蕩器;靜音電路將出錯的音頻信號進行差錯掩蓋，很好地解決了噪聲問題;接收機採用兩副天線切換工作，提高了音頻信號接收質量，有效地抑制干擾，提升了系統的性能。
  8. It ' s high - frequence noise absorption, absorption of noise caused by rapid rise of front and self - reset function have widespread application in imput of supply, for absorption of inductive load switching surge voltage and for protection of two - way thyristor switching device, bypass capacitors, micro - machines and the others

    它所具有的吸收高頻噪聲、前沿快脈沖上升噪聲及自復位功能，使其在電源輸入端、吸收電感性負載開關浪涌電壓、保護雙向可控開關器件、旁路電容器、微型電機等方面有著廣泛的用途。
  9. Because of the using of interpolation, noise shaping and switching amplification in the digital audio amplifier technology, the power supply modulator is not only much efficient but also behaving good in envelope amplification, this advantage is hard to implemented with conventional technology

    數字音頻功放技術是近年發展起來的高效率音頻放大技術，該放大技術採用了過取樣、噪聲整形等數字音頻處理演算法和開關功率放大。採用該技術實現的電源調制器不但具備很高的效率，而且能高指標地放大包絡信號，是常規的電源調制技術無法實現的。
  10. The relays may lack the high speed switching characteristic of the solid - state state switches used by other preamplifiers, but they also have none semiconductor distortions and noise which accompany analog gates and voltage controlled amplifiers

    與其他前級放大器所用的半導體開關相比，這些繼電器缺少高速轉換的特性，但它們沒有隨著模擬開關和電壓控制放大器所帶來的半導體失真和噪聲。
  11. This dissertation only considers the signal ’ s distortion by interconnect, such as delay, reflection, discontinuity of microstrip, crosstalk and simultaneous switching noise, and so on. nowadays, there are some simulation software in pcb level, but they are lack of the well ability of modeling. in order to simulate the interconnect accurately, we have to make use of three - dimension full wave analysis method, whose disadvantage is low speed in computing, but is competent for developing rules in high - speed designs

    目前也有一些針對這些噪聲的高速pcb板級模擬軟體，但它們都缺乏詳盡的建模能力，特別是當頻率逐漸提高和電路板日益復雜后，更是顯得無能為力，要精確地對互連結構進行分析，三維全波模擬器似乎不可缺少，其缺點就是速度慢，對整板模擬很難實現，但非常適用於規則開發，而這正好是本文除了建模與模擬方法研究外另一個重點。
  12. With the software cadence, model establishment and parasitic parameter extraction are made on the main pcb lines of the proposed circuits. equivalent circuit models of common mode combined with differential mode current and noise simulation models are also established on full bridge switching - mode converters. study on the simulation of conducted interference noise is made with the software saber and the effects on the circuits " noise by the main parasitic parameters are also analyzed

    在對全橋開關型變換器電路工作原理分析的基礎上，建立了全橋開關型變換器主要元器件的電磁干擾參數模型，利用cadence軟體對其pcb主要印製導線進行了建模分析和寄生參數的提取，得到了全橋開關型變換器傳導干擾的共模、差模噪聲電流等效電路模型以及噪聲模擬模型，並運用saber軟體進行了傳導性干擾噪聲的模擬研究，分析了主要寄生參數對電路噪聲的影響。
  13. A kind way of current sharing composed of the droop method and the master - slaver method based on thermal stress and the random of the master is given, in this system an extra controller is attached ; all the software and hardware on can fieldbus communication part have accomplished, which guaranteed the communication of the charger high reliability and high real - time. the source and types of the noise from switching power are analyzed and some methods are introduced to restrain noise and strengthen the system performance of interference rejection

    提出了一種外加控制器基於熱應力均流的主從可轉換均流方法；對系統中can總線通信部分的軟硬體進行了設計，保證了系統通信的實時性和可靠性；對開關電源噪聲來源與種類進行了分析，介紹了一些抑制噪聲和增強系統抗干擾性能的措施。
  14. Chaotic switching modulations generated from different chaos sequences introduce low - frequency output noise ripple : in the cpwm, cppm and ccfmvd, the output noise ripple introduced by henon map chaos sequences is smaller than chua ' s circuit chaos sequences ; in the ccfmfd, chua ' s circuit chaos sequences introduced smaller noise ripple. this clue to us that it is important to choose chaos sequences in applying chaotic modulation to dc / dc converters

    不同混沌調制信號對輸出紋波影響的分析結果表明： cppm 、 cpwm和ccfmvd模式下， henon映射混沌序列引入低頻噪聲紋波比蔡氏電路摘要混沌序列要小; ccfmfd模式下，蔡氏電路混沌序列引入的低頻紋波要小。這提示我們:在開關模式電源使用混沌調制控制時混沌序列的選擇也具有重要性。
  15. Saturating logic draws large fast current spikes from its supply during switching and, having noise immunity of hundreds of millivolts or more, has little need of high levels of supply decoupling

    晶體管在開關過程中會流過短暫的大電流（帶來噪聲） ，但是數字電路的噪聲容限可達數百毫伏，所以對電源去耦的要求不高。
  16. The direct digital frequency synthesizer is a kind of fully digitized frequency synthesizer, which consists of the phase accumulator, the sine look - up table, the digital to analog converter and the low band filter. it is of high frequency resolution, fast frequency switching speed, low phase noise, the ability to switch frequencies while maintaining constant phase, and the ability to producing arbitrary waveforms

    直接數字頻率合成器是一種全數字化的頻率合成器，由相位累加器、波形rom 、 d a轉換器和低通濾波器構成， dds技術具有頻率解析度高、頻率切換速度快、頻率切換時相位連續、輸出相位噪聲低和可以產生任意波形等優點。
  17. For increasing the switching frequency and reducing switching losses and emi noise of the pfc circuits, soft - switching technologies are adopted

    在功率因數校正變換器中採用軟開關變換技術可以使開關頻率提高、降低開關損耗、並有效抑制emi 。
  18. Unwanted electrical energy in a circuit that is unrelated to the desired signal, s - ources of noise are most often generated by some type of switching circuit, common sources include switching voltage regulators and clocked sighals such as digitol crcuits

    指在一電路中與所要訊號無關的多餘電能，雜訊的來源通常為某些形式的切換電路，常見的雜訊為切換式電壓，調整器及時脈訊號，如一些數位電路。
  19. Ir drop on power grid may decrease switching speed and noise immunity of the circuits. it may even cause the circuit to fail

    電源網格上的irdrop會降低器件的開關速度和噪聲容限，甚至導致邏輯錯誤。
  20. In particular, a switching criterion is developed, with which the hybrid scheme can switch from css to dcss automatically at the time when noise is suppressed

    特別地，通過一個能夠衡量圖象噪音強度的指標函數，混合演算法能夠在噪音被消除后自動由css演化轉換為dcss演化。
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