寬量程頻率計 的英文怎麼說
中文拼音 [kuānliángchéngbīnlǜjì]
寬量程頻率計
英文
wide range frequency meter- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 程 : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
- 頻 : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
- 率 : 率名詞(比值) rate; ratio; proportion
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 頻率 : frequency; rate
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To avoid the serious electromagnetic interferer, the analog signals are transformed to frequency pulses which are transferred to the kernel of the system. in the measure of the groove voltage, the method of float - ground is adopted to avoid the high common signal and the range switch circuit is designed to solve the conflict of the wide dynamic range and the high precision. least square curvefit is adopted to reduce the system error
鋁電解生產現場電磁干擾非常嚴重,為此我們將需要測量的模擬信號就近轉換為頻率脈沖后再傳送到控制核心;採用浮地接入方式消除槽電壓信號中的共模成分;設計了量程自動切換電路以解決槽電壓的動態范圍寬和測量精度高的矛盾;用最小二乘法進行曲線擬和以降低測量的系統誤差。The project uses for reference the algorithm thought of sbc ( subband coding ) to measure off the audio to the corresponding frequency width and encode it by the different sensitivity of human hearing, which results in the lower coding rate and bearable voice quality. the algorithm processing low bit - rate audio is designed to be self - adaptive by the situation of network. the component developped by that algorithm and project has already been used in the realtime interactive educational system
該方案借鑒sbc ( subbandcoding )子帶編碼演算法思想,將音頻按對人聽覺敏感程度不同劃分為相應的頻帶並進行相應的編碼,從而得到較低的編碼率和較好的語音質量,設計了可根據網路狀況進行自適應的低帶寬音頻處理演算法。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。In succession, the theory of chirped - pulse amplifier system is given in detail, firstly, studying from designing experimental light road and optical components to theoretical analysis, we par ' tly finished the system by ourselves. about ultr a - shoft pulse with a pulse - width of 9. 8f s and output power of 650mw and band - width of about l 20nm is output from oscillator source, secondiy, the stretching capacity of single grating four - pass stretcher is measured using abcd matrix combining collins function, and the effect of relativ e parameters to the streching ratio is also simulated. thirdly, a new type of disjunctional frequency moduiating function is provided according to the gain - narrowing and gain - saturation which are appeared in the co urse of amplification, under modulating the two effects are both controlled on some e xtent, fourthiy, the effect of ase that is often ignored by people is analyzed and the resolving methods are also given
從光路、光學元件的自行設計到理論分析計算,初步建立了一臺實驗系統;採用abcd矩陣法結合collins公式計算了四通式單光柵展寬器的展寬量,並模擬了相關參數對展寬比的影響,對實驗具有指導意義;評價了再生放大器和多通放大器的優缺點,對放大過程中通常忽略的放大自發輻射現象( ase )進行了分析,並提出了相應的解決方法;針對放大過程中出現的增益窄化和增益飽和現象,對輸入種子脈沖提出了一種新的分段頻率調制函數,實現了對增益窄化效應和增益飽和效應的共同抑制;提出了系統的材料(包括放大介質和光路中的普通介質)正是融合高階色散的來源。Because vortex flowmeter has no movable mechanical parts, the output signal of it is a frequency signal that is proportional to flow signal, and it has less pressure loss, wider measurement range, it is used widely
由於渦街流量計具有無機械可動部件,可得到與流量成正比的頻率輸出信號,壓力損失較小和量程比較寬等優點,因而應用相當廣泛。分享友人