百頻率 的英文怎麼說

中文拼音 [bǎibīnlǜ]
百頻率 英文
percentage frequency
  • 百 : 百名詞（姓氏） a surname
  • 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
  • 頻率 : frequency; rate
  1. In digital relay, the percentage of noise will increase rapidly with the increase of sampling rate when derivation calculus is substituted by sampled difference term. to solve this problem, a new method using fragment function integrated with the least square algorithm is proposed in this paper. the influence of white noise is greatly reduced and the accuracy of the dead angle calculation is nicely improved after adopting the new method

    在數字式保護中，如果用差分代替求導將導致噪聲的百分比誤差隨著采樣頻率的提高而劇增，本文對此進行了分析並提出了用分段樣條函數最小二乘法來計算電流波形的導數值，以便在提高采樣率的同時降低噪聲誤差的影響，並將其應用於基於32位浮點dsp的新型變壓器保護裝置。
  2. The frequency and intensity of yawning began to decrease 5 days after fluoxetine discontinuation

    百憂解停藥5天後呵欠的頻率和強度開始減少。
  3. Initially rfid tags worked only at frequency bands of 13. 56 megahertz or lower

    早期的射頻識別標簽只能在13 . 56百萬赫茲或更低的頻率下作用。
  4. In the last few hundred meters of the descent, a white - light lamp on the probe will illuminate the surface ? which is normally a muddy red because the atmosphere absorbs the blue frequencies of sunlight ? allowing the disr to do a spectral analysis of the surface composition

    在最後數百公尺的下降過程中，探測器上的白光燈將照亮地表（地表通常為暗紅色，因為大氣吸收太陽光中的藍色頻率） ，讓disr對地表組成進行光譜分析。
  5. The percentage of plate types ranges from 30 to 90 depending upon hoarfrost frequency.

    盤型的百分率隨白霜頻率而異，自30到90。
  6. The percentage of plate types ranges from 30 to 90 depending upon hoarfrost frequency

    盤型的百分率隨白霜頻率而異，自30到90 。
  7. This isi series oscillation has following characters : ( 1 ) long term cycle duration, whose duration of most oscillations ranged from 3 0 - 120ms, so we called it slow wave oscillation ; ( 2 ) large amplitude of oscillation, the minimum isi is about 2ms while the maximum is beyond 40ms, which suggested that the firing frequency vary from several tens to hundred hz ; ( 3 ) abrupt turn always occurs during the continuous change in isi, this turn is called inflexion temporarily

    該振蕩波有下述特徵： （ 1 ）振蕩周期較長，多數在30 ? 120s范圍，故稱慢波振蕩； （ 2 ）振蕩幅度較大，其isi振蕩最小值在zms左右，最大值可達40ms ，表明放電頻率可在幾十到幾百k范圍內變動； （ 3 ）在isi連續變化過程中往往出現突然轉折，暫稱其為拐點。
  8. Malfunctions can be diagnosed using infrared thermography without affecting the work state of tested equipments, thus the diagnostic accuracy can be improved. infrared thermography, just as often, improves electronic fault diagnosis by isolating the malfunction to specific areas of the circuit board, what is more, it usually does point directly to the failing component. thermography even can rapidly diagnose up to hundreds of elements on one pcb at one time, without requiring the operator to know the circuit principle very well, which can reduce the workload greatly

    紅外故障檢測儀可以對電子設備進行在線測量，檢測時不會影響待測設備的正常工作和頻率特性，這對高頻電路的檢測尤其方便，且能提高診斷的準確性;他通常能指出電路板上的故障區域，甚至經常能直接找出故障元器件，這樣就提高了維修質量;並且能在不需要檢測人員對電路原理有深入理解和分析的情況下，對同一塊電路板上的數十隻甚至數百隻器件同時進行快速診斷，這就大大減少了維修人員的工作量，提高了維修人員的工作效率。
  9. These include the well - known am, fm, shortwave and citizens bands and vhf and uhf television channels, as well as hundreds of less familiar bands that serve cellular and cordless telephones, gps trackers, air traffic control radars, security alarms, radio - controlled toys and the like [ see box on page 71 ]

    這些頻率包括眾所周知的am 、 fm 、短波、民用頻帶， vhf和uhf電視頻道，以及數百個較不為人知的頻帶，供行動電話、家用無線電話、 gps追蹤系統、航空管制雷達、安全警示與無線電遙控玩具等使用（見85頁無線電頻譜） 。
  10. 2 five to fifteen percent of the fees for licenses, permits, frequency usage, telecommunications number usage, review, authentication, examination, certification, registration and other fees charged according to law by the ncc to the businesses under the purview of the ncc in the exercise of its functions related to communications supervision

    二本會辦理通訊傳播監理業務，依法向受本會監督之事業收取之特許費許可費頻率使用費電信號碼使用費審查費認證費審驗費證照費登記費及其他規費之百分之五至十五。
  11. The wrap - up ratio is the ratio of the sine of the maximum scan angle to the percentage change in frequency required to scan

    綜合比率是最大掃描角的正弦與所需的頻率變化百分率之比。
  12. Pulses in the nanosecond and subnanosecond regimes with high power and high repetition rate have wide applications in lidar, ranging, remote sensing, microsurgery, micromachining, and so on

    高峰值功率、高重復頻率的納秒至幾百納秒的脈沖激光，廣泛地應用於激光雷達、激光測距、遙感遙控、微型手術和微型機械方面。
  13. 22 paired inferior collicular neurons were obtained in the experiment. the neurons were recorded in the depth of 198 - 1254 u m ( 544. 59 ? 72. 37 n m, m + sd ), and their bfs were 11. 25 - 59. 29 khz ( 26. 77 + 9. 95 khz, m ? d ) : the minimum thresholds ( mts ) werelo - 66 db spl ( 38. 14 ? 14. 39 khz, m + sd ) ; the latencies were 4. 0 - 16. 0 ms ( 8. 19 + 3. 14 ms, m + sd ) ; the best intervals between paired sound pulses were 0. 01 - 28. 71 ms ( 3. 93 + 2. 52 ms, m ? d ) 0 the results showed : l ) there were interactions between the neurons in the iso - frequency lamina and hetero - frequency lamina which included mutual inhibition ( 18 / 22, 81. 8 % ) and mutual facilitation ( 4 / 22, 18. 2 % ), and the mutual inhibition in iso - frequency lamina was stronger than that in hetero - frequency lamina ; 2 ) the mutual inhibition decreased with sound level increasing ( p < 0. 001, anova ) ; 3 ) the analysis of the inhibition of discharge rate at lodb above mt showed that the inhibition increased when the paired neurons " bfs difference decreased ( r = - 0. 545, p = 0. 0006 ) ; 4 ) the mutual inhibition of paired neurons can sharpen the frequency tuning and the effect increased when the frequency was away from the bf ; 5 ) the changes in q10, q30 decreased with bfs difference of the paired neurons increasing ; 6 ) the mutual facilitation between paired neurons not only increased discharge rate, but also widened the frequency tuning, i. e., increased response frequency

    結果表明： 1 ）同頻層神經元之間或者非同頻層之間神經元之間存在相互作用，這種作用既有相互抑制（ 18對，佔81 . 8 ） ，也有相互易化（ 4對，佔18 . 2 ） ，且同頻層神經元之間的相互抑制作用較非同頻層神經元之間的相互抑制作用要強； 2 ）神經元對低刺激強度反應時，所受到的相互抑制作用較強，隨著聲刺激強度加大，抑制作用逐步降低（ p 0 . 001 ， anova ） ； 3 ）對閾上10db放電率抑制百分比進行的分析顯示，配對神經元之間的最佳頻率差越小，相互抑制作用越強（ r = - 0 . 545 ， p = 0 . 0006 ） ； 4 ）配對神經元之間通過相互抑制作用可表kx碩士學位論文waiaster 』 sthesis現出調諧銳化作用，該作用的效率與頻率有關， bf處的銳化作用較低，偏離bf時其銳化作用逐步加強； 5 ）頻率銳化作用的效率與bf差有關，隨著配對神經元之間的bf差擴亢q10 ， q30值的變化逐漸減小，其變化百分比與配對神經元之間的頻率差存在明顯相關； 6 ）配對神經元之間的相互易化作用不僅表現在放電率增加上，也表現在頻率調諧曲線的擴寬，即頻率響應范圍擴大。
  14. By integrating the characteristics of road traffic management in china, three indexes are selected, of which the evaluation standard is determined with cumulated percentage frequency

    結合我國道路交通管理的特點，根據理論與實踐相結合的原則，對諸多指標進行選擇，篩選出適合我國國情的道路交通安全3項評價指標，並運用累積百分頻率法確定了評價標準。
  15. The production of high frequency quartz crystals, which are used in audio - visual, telecoms and pc devices, commenced last september. monthly production capacity has now topped 3 million pieces which is half of the full design capacity

    高頻石英諧振器廣泛應用於影音、電訊及電腦產品上。集團新設立的高頻率石英振動器生產線于去年九月投產，現時每月產量已逾三百萬只，達生產線設計產能五成。
  16. Spread on a metal plate. he meticulously catalogued the symmetrical, geometrically perfect structures and elegant sound mandalas that resulted from directing hundreds of different frequency and rhythmic combinations, from single tones and intervals to complex musical harmonies, through the plate.

    他稱這個新的研究領域為cymatics ，並且將不同頻率，節奏的單音，間歇音，復雜合聲做了幾百種不同的組合，對物質粉末由於這些振動而形成的完美，對稱的結構和精美的曼陀羅高度復雜的對稱幾何圖案進行了精確的分類。
  17. This radio signal has a frequency of 800000 cycles per second

    這個無線電訊號的頻率是每秒八百千周。
  18. The lta rate is expressed as the ratio of reportable accidents to 1, 000, 000 man - hours ? the assumed number of hours worked by one person during a lifetime

    事故頻度率是指每百萬小時發生的傷害事故的頻率，它表示在當前的安全生產水平下，一個人在一生的工作時間中可能發生的事故次數。
  19. These travelling waves occur hundreds of times a night, and most commonly at a frequency, 1 cycle per second, which has been shown to depress the activity of synapses

    這些擴布的電波一晚上會產生上百次，大多數的頻率是每秒鐘擴布一輪，它們使突觸的活動減弱。
  20. For high sustain frequency, a total of 28 % improvement in luminous efficiency has been achieved by the new waveform while comparing with the conventional sustain waveform

    在高維持頻率下，利用此新的驅動波形可以較傳統波形提升百分之二十八的發光效率。
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