frequency count 中文意思是什麼
frequency count
解釋
頻度-
The maximum 50500 photo counts per second with 76mhz pump pulse frequency is detected. the probability to be single - photon state of every count is better than 99 % 5
在抽運光脈沖重復頻率為76mhz的情況下，得到了每秒50500次的下轉換光子記數，其中單光子概率大幹99 。 -
The ? 1 word count error exists in nearly all kinds of digital time and frequency measuring instrument and it affects the instrument ' s measuring precision tremendously
在所有的數字式時間及頻率測量設備中，幾乎都存在著1個字的計數誤差。它的存在，極大地影響儀器的測量精度。 -
But, the measured - data is a very great quantity and every data contain all data of 1 - 25 harmonic, measured time can have hours to days. the count by hand is very heavy and over - elaborate, sometimes the statistics results is error. it won " t reach the analysis purpose and don " t obtain the curve of harmonic oscillation characteristic in a row frequency range
可是，測試數據經常是大量的，每一組數據又包含從基波到25次諧波的所有數據，測試時間可能是幾個小時，有的甚至是幾天時間，這樣的工作量由人工完成是非常繁重的，又是非常繁瑣的，有時還統計不出正確的數值，起不到應有的測試分析目的，更無法獲得連續頻域內的諧波諧振特性曲線。 -
A counter with timing fiducial oscillator acts as a frequency multiplier, and the count value in the prior period is taken as the reference for the current period to give the decimal part of a signal period
該方法利用帶基準時基的數字計數器實現周期內線性細分，當前周期信號將前一整周期的倍頻數作為參考構成信號周期的小數部分。 -
Intelligent counter digital frequency rotating speed line velocity display control transmit instruments are all adopt used advanced microprocessor for smart control. input is pulsed quantity or contect switch quantity signal, after cpu operation processing, count, rotating speed or line velocity will be clearly intuitional indicated by high brightness led numeral tube, at the same time, these signals can be changed into standard voltage current signal to transmit output. and have the functions of super - limited alarm, standard serial communication function
簡易后備操作器接收從dcs系統或pid調節器給定的模擬量信號，正常控制時，操作器輸入輸出相當于直通的，以實現dcs系統或pid調節器對執行機構的自動控制，當前級dcs系統或pid調節器發生故障時，操作器接收到故障狀態信號，即轉為手動控制狀態，由按鍵控制操作信號的輸出，當故障解除，儀表自動恢復自動狀態。 -
Logarithmic sweeps can be performed with a programmable frequency marker signal. programmable burst count and gating allow you to further customize your signal
帶有可編程頻率標記的線性和對數掃頻信號，可編程的脈沖列計數和選通能使您進一步自定義信號 -
In its digital processing circuit, clock chip with high precision and temperature compensation is uesd as reference clock. high frequency reversible counter is used to count trimmed impulse signal forward or backward and two pathes saw signals are selected timely by multichannel selector
數字信號處理電路採用高精度、具有溫度補償的時鐘晶元作為基準時鐘，採用高頻可逆計數器對整形后的脈沖信號進行正向或逆向計數，採用高性能的多路選擇器控制兩路saw信號的定時選擇。 -
And it has been integrated in a prototype chip which is fabricated with tsmc 0. 18 - um cmos technology, and the experimental results show that this architecture can achieve the real time avs - p2 decoding for the hdtv 1080i 1920 1088 4 : 2 : 0 60field s video. the efficient design can work at the frequency of 148. 5mhz and the total gate count is about 225k
為支持直接模式預測，該模塊通過一個fifo來實現p圖像下mv緩存和b圖像下mv預取的功能，以突發方式來進行訪存操作，從而避免了頻繁而瑣碎的訪存請求，使外存控制器能夠更好地為其他訪存模塊服務。 -
This paper discusses the existent typical ranking technologies of term frequency count and hyperlink analysis, in virtue of vector space model, the author proposes a new ranking technique, document similarity ranking, with a basis on similarity of concept - semantic query term
對現存典型的詞頻統計排序技術和超鏈分析排序技術進行了分析，並藉助向量空間模型，提出了一種基於概念語義的查詢詞-文檔相似度排序方法。 -
This article is to develop autoregressive ( ar ) model spectrum estimation based on the theory of digital signal processing to analyze, process flow signal, to get the frequency of flow signal and then convert it to flow value. at last, the flow value is compared with the result that is gained by using count method
本文的主要目的是以數字信號處理的理論為基礎，採用自回歸（ autoregressive ，縮寫為ar ）模型譜估計的方法對渦街流量計的輸出信號進行分析和處理，得出流量信號的頻率，再換算成流量值，並將其與計數測量方法得出的結果進行了對比。
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