符號變數 的英文怎麼說

中文拼音 [fúháobiànshǔ]
符號變數 英文
symbolic variable
  • 符 : Ⅰ名詞1 （符節） tally （with two halves made of wood bamboo jade metal issued by a ruler to gener...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 符號 : 1 （記號; 標記） character; sign; symbol; mark; code; notation; expression; denotation; sentinel ...
  1. A mark used as a superscript to indicate the first derivative of a variable

    撇號置於右上角的符號，用以標明變量的第一個導數
  2. Displays a bulleted list or similar variant bound to a data source

    顯示綁定到數據源的項目符號列表（或相似變體） 。
  3. So this part is dealt with separately. dcpm method is employed to improve the quality of image coding with making full of the relativity of the wavelet coefficients. according to the different importance degree and vision character of the high frequency wavelet coefficients, different thresholds are applied to remove small coefficients ; then mannos module are applied to remove the visual redundancy ; in order to produce more zero - tree, horizontal and vertical wavelet coefficients are transformed accordingly to improve the compression ratio

    對于小波變換后的小波系數的高頻部分，根據其分佈特性和人眼的視覺特性，採用視覺模型對零樹量化過程的閾值進行修正，有效地去除視覺冗餘；對各高頻子圖採用多級樹集合分割的零樹編碼方法，有效地利用系數編碼剩餘符號，進一步提高壓縮比。
  4. Numeric - symbolic technique is introduced in the procedure of resultant elimination, procedure of number - spobol manipulation is transformed into that of matrix manipulation. because joini variables are treated as symbols and all structure paramcters are treated as real nuxnbers, the complexity of derivation for input - output equaion is reduced. the soluton is verified with a numerical example, its rsults withoot extraneous roots agree with the original equaions

    消元過程中引入了數字-符號方法，將結構參數處理為數值量，將關節變量處理為符號量，將數字、符號推導過程轉化為了矩陣運算過程，由於結構參數以數值量的形式出現在方程推導中，降低了符號推導的難度，符號推導不需要復雜的符號處理軟體的支持。
  5. And what s even neater is that symbols themselves are objects

    的任何變數，更妙的是符號本身也是物件！
  6. Abstract : based on the distance transformation of catographic algebra, the common objecting method of line symbols is proposed, which is based on the ridge map. satisfactory result was achieved

    文摘:在地圖代數實現的距離變換基礎上，提出一種基於山脊圖的線狀符號目標化方法，為解決線狀符號自動跟蹤數字化問題提供了一種可選途徑。
  7. Based on piecewise linear model, this paper proposes an estimation method that first estimates the slope of linear variant and the channel impulse response at the middle time of the current ofdm symbol using pilot sequences, and then estimates the whole channel impulse response through the estimated parameters

    該演算法首先利用導頻序列估計出當前ofdm符號間隔內通道線性變化的斜率和中間時刻通道的沖激響應值，然後根據線性模型利用估計出的參數得到當前符號間隔內所有時刻上的通道沖激響應。
  8. The application of statistics function of excel may simplify complicated binomial distribution probability counting and normal distribution probability counting, and at the sme time, many statistics functions can be connected together with some counting signs to make statistics analysis process which can be applied to much more complicated statistics counting and analysis

    摘要利用excel的統計函數可以使復雜的二項分佈概率計算和正態分佈概率計算變得簡單，同時，可以利用計算符號把多個統計函數連接起來，製成統計分析程序，用於比較大的復雜的統計計算和分析。
  9. Study application methods of the multi - sources data in map production, including sort of sources, data collection, and data processing, in order to updating the map and spatial data in one platform. put forward the new sort of spatial data error based on production. the artificial operation error is the main affection part on spatial data quality

    在地圖內容增加和修改時，屬性信息和符號化圖形始終一同變化，保證了在地圖生產的同時又完成空間數據生產或更新，這成為一體化生產模式的第二個關鍵；對地圖生產中的多源數據利用作了較為全面的研究，包括資料分類、數據獲取方法和數據處理方法。
  10. In order to do this, a chaotic system is designed, in which, one of the unknown parameters is the measured value or parameter being estimated. between the parameter and the symbolic series corresponding to chaotic orbits of the system output, there should be a homologous relationship

    基本思想是設法構造一個混沌系統，將被測量或待估的參數作為系統中的某一未知參數，並在該參數與系統輸出的混沌軌道對應的符號序列之間建立起一一對應關系，用符號空間的距離測度來表示參數的變化。
  11. The main works and innovations of this thesis are as follows : ( 1 ) based on the oversampling of ofdm frequency response, this paper proposes a channel estimator which combines the comb - pilot - tones partitioning and the fourier transform with the same pilot symbol samples

    具體而言，主要有以下六個方面的工作和創新點： （ 1 ）利用在ofdm系統中通道的頻域響應是過采樣的特性，提出了在頻域內用均勻梳狀分佈的導頻符號和與導頻符號數相同點的傅里葉變換相結合的通道估計方法。
  12. First, we calculate out the zero point in a simple numeral method, then we get the phase according to the fact that the symbol of phase changed is opposite in the positive - slope and the negative - slope of triangle wave. this method has the following characteristics : easy to calculate, simple to realize and high precision

    首先用簡單的數值方法較準確的計算出零點時刻;進而根據三角波掃頻時正程和逆程相位變化符號相反的特性，巧妙的完成了相位計算，該方法具有計算簡單、實現方便、準確度高等特點。
  13. Common pd in signal language learning mainly showed in the following : ca n ' t understand the objects the mathematics signals represent ; scare of extensive cognition to the mathematics objects which mathematics signals represent. do n ' t understand the meaning expressed by signal language. the same signal forms can express different meanings, and different signal forms can express the same meaning, if student separate signal language from its maths meaning contained in it, the ml they mastered is a kind of signal game without any meaning ; not mastering various forms of signal language ( signal language has many equal forms ) or only mastering one kind or several kinds forms, the cognition to signals are not enough

    符號語言學習的常見心理偏差主要表現存不能理解數學符號代表的對象，缺乏對數學符號所表示的數學對象的廣泛性的認識；不明白符號語言表達的含義，如果將符號語言與所表達的數學含義相脫離，學生所掌握的數學語言就是毫無意義的符號游戲；掌握不了符號語言的各種變化形式，符號語言有許多的等價形式，如果只是掌握其中的一種或幾種形式，對它的認識將不夠充分。
  14. Using matiab symbolic computation, this paper studies the sensibilities of cvt ' s parameters, characteristic of cvt ' s transient noise, deduces the formula of cvt ' s secondary voltage and the formula after fourier transform ; then bring forward the least square algorithm for cvt and the compensatory algorithm based on fourier transform

    本文運用matlab的符號計算，分析了cvt參數的靈敏度，其暫態噪聲的特點及對保護的影響，推導了cvt二次側電壓及傅氏變換后的形式，在此基礎上提出了針對cvt的最小二乘演算法以及基於傅氏演算法的補償演算法。
  15. A method for training a time - domain equalizer having at least one coefficient that includes estimating a channel, initializing the at least one coefficient of the time - domain equalizer, updating the at least one coefficient of the time - domain equalizer with the estimated channel, retaining the updated estimated channel, fixing the updated value of the at least one coefficient of the time - domain equalizer for at least a one - symbol duration, calculating a modulated symbol based on an output of the time - domain equalizer, calculating a second value for the estimated channel based on the modulated symbol, setting the estimated channel to the second value, and repeating the step of updating the time - domain equalizer through the step of setting the estimated channel to the second value until a predetermined condition has been met

    本發明系一種用以訓練一具有至少一系數之時域等化電路之方法，讓方法包含估計一通道；初始化該時域等化電路至少一系數；利用該估計通道來更新該時域等化電路之至少一系數；保留該更新之估計通道；維持該時域等化電路之至少一系數之更新值至少一符號周期固定；根據該時域化電路之一輸出，計算一調變符號；根據該調變符號計算一用於該估計通道之第二值；設定該估計通道等於該第二值；及重復更新該時域等化電路至設定該估計通道等於該第二值之步驟，直到符合預設條件為止。
  16. Several examples and numerical simulations are shown to illustrate and reinforce our theory. in chapter 3, we firstly give both the definition of the discrete lyapunov functional and the proof of some properties of it for the dde with local positive or negative feedback in the delay term. secondly, we introduce the definition of the global attractor

    A6s藝fae藝在本文的第三章中，首先給出了對於一類時滯微分方程的用改變符號次數來定義的離散lyapunov泛函，並給出了其有關性質的理論證明，進而說明在時滯項具有局部正反饋或者局部負反饋條件下的時滯微分方程這樣定義lyapunov泛函的合理性，這是對前人在時滯項具有全局負反饋或者正反饋條件下的lyapunov泛函的推廣。
  17. Password strength guidelines : you can see the strength of the password change by the number of key symbols that appear up to five keys. you can see five keys appear after you enter a complicated key with mixed - case alpha - numeric characters that include special characters, such as the following example : mickeymouse43 @ 0243

    Password strength準則：通過顯示的鑰匙符號的數目（最多5把鑰匙） ，您可以看到密碼的強度的變化。當您輸入了一個由包含特殊字元的大小寫混合的文字數字式字元構成的復雜密碼后，您可以看到會顯示出5把鑰匙，比如下面的例子： mickeymouse43 @ # 0243 。
  18. All variables in php start with a $ sign symbol. variables may contain strings, numbers, or arrays

    在所有php中變數開始於$這個符號.變數可以包含字串，數字以及陣列
  19. Wang qizhu, leading teacher in maths : make dull mathematical symbols changed into bright notes, and cultivate the studnets ' more logical thought

    讓枯燥的數學符號，變成歡樂的音符，培養學生更加理性的思維。
  20. Data type is a 96 - bit signed integer scaled by a variable power of 10

    數據類型是96位的有符號整數，以10的可變次冪進行縮放。
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