正余弦的英文

• sine cosine

• "正"英文翻译    the first month of the lunar ...
• "余弦"英文翻译    cosine
• "正余弦编码盘" 英文翻译 :    sine-cosine encording disk
• "正余弦变压器" 英文翻译 :    sine-cosine transformer
• "正余弦电位器" 英文翻译 :    sine-cosine potentlometer
• "正余弦函数误差" 英文翻译 :    sine-cosine function error
• "正余弦旋转变压器" 英文翻译 :    sine cosine revolver
• "角增量正余弦函数运算器" 英文翻译 :    angular increment sine-cosine arithmetic unit
• "正余弦函数固定存贮器" 英文翻译 :    sine-cosine rom
• "余弦" 英文翻译 :    [数学] cosine◇余弦定律 cosine law; law of cosines
• "正余面" 英文翻译 :    positive lap
• "正余像" 英文翻译 :    positive after image
• "正余象" 英文翻译 :    positiveafterimage
• "矫正余量" 英文翻译 :    richtzugabe additional height for correction
• "正余面阀" 英文翻译 :    overlapped valve
• "正余象, 正残象" 英文翻译 :    positive after image
• "反余弦" 英文翻译 :    arc cosine; arcuscosinus inverse cosine; arcuskosinus inverse cosine; inverse trigonometric function; math.acos
• "逆余弦" 英文翻译 :    arc cosine; inverse cosine
• "升余弦" 英文翻译 :    raised cosine
• "余弦波" 英文翻译 :    cw cosine wave
• "余弦槽" 英文翻译 :    cosine groove
• "余弦层" 英文翻译 :    cos-type layer
• "余弦的" 英文翻译 :    cosinoidal
• "余弦环" 英文翻译 :    cosine ring
• "余弦角" 英文翻译 :    cosine angle

• This requires two sine-cosine resolvers .
  这就需要两个正余弦分解器。
• Sin - cosine theorem and its application
  正余弦定理及应用
• A high precision direct integration method to solve sine and cosine matrix functions
  正余弦矩阵函数的精细积分算法
• Sine - cosine revolver
  正余弦旋转变压器
• Design of the sine and cosine precision reference of high precision excitation power supply with closed loop control
  高精度闭环激磁电源正余弦精密基准的设计
• Thirdly , similarity matrix , dissimilarity matrix or similarity table are established based on the n - strong peaks , the overlap rate of common peaks and the cosine / sine of vectors " angle which are derived from the fingerprint chromatograms of samples . and based on these data model , clustering research has been done by k - means algorithm , biggest tree in fuzzy clustering and improved cobweb algorithm , where different results have been gained . by comparing , cobweb algorithm is the best
  本次研究利用n强峰、共有峰的重叠率和向量夹角正余弦值对样品色谱指纹图谱分别建立了相似度矩阵、相异性矩阵或相似度表，以这些数据模型为基础，分别用了k -平均、模糊聚类的最大树法和改进的cobweb法进行了聚类研究，得到了不同的效果。
• The main module of sensorless pmsm vector control such as voltage sensing , current sensing , smo rotor position estimation , speed calculation , generation of sine and cosine , vector coordinate transformation , pi regulators , svpwm vector modulation are all accomplished in the pwm interrupt service routines
  永磁同步电机无位置传感器矢量控制的主要模块如电压采样、电流采样、滑模转子位置估算、速度计算、正余弦值生成、矢量坐标变换、比例积分调节器、空间电压矢量脉宽调制等都是在pwm中断服务子程序中完成。
• It builds a relative coordinates based on the jumping - off point of circular interpolation as its origin , caculates the sine and cosine of the angle formed by x axis and the line which connects the origin and the centre of the circle , then gets the coordinates of the centre in the relative coordinates , and enduces a uniform fomula , which is easy to program in computer
  摘要用圆弧插补起点作为相对坐标系原点，连接圆弧起点和圆心，求出该连接线和相对坐标x轴的夹角的正余弦值，由此解出圆心在相对坐标系的坐标，并得到一个统一的计算公式，易于计算机编程实现。
• Resolving - transformers is a kind of component that converts the rotor corners to electrical signals , one has sine functional relationship with the rotor - comers , while the other has cosine ones , and this component has been widely used in many fields such as automatic controls , aviation and firepower fields to implement the information transmission of shaft - angle between systems
  正余弦旋转变压器是一种将转子转角变换成与之成正余弦函数关系的电信号的元件，被广泛应用于自动控制、航空、火力控制等领域，以实现系统之间轴角信息的传输功能。
• This paper include the following parts . firstly the sine exciting - voltage is guaranteed by direct digital synthesize technology ; secondly the digital output of cos ( 9 ) and sin ( 9 ) are generated by microcontroller ; thirdly the two voltage signals which are the product of the two former signals gained by the multiplying d / a converter , being filtered and amplified , have constant frequency , and one amplitude has sine function relationship of with the input angle , and the other amplitude has cosine function relationship of with the input angle ; finally the two signals are acquired and analyzed by relative instrument and software
  主要由以下几部分组成：用数字频率合成技术( dds )产生正弦激励电压信号u _ msin ( t ) ；用单片机产生幅度的数字量输出sin ( )和cos ( ) ；用乘法型d a转换器实现激励电压和幅度的乘积，并通过滤波器和功放后即得到频率固定，幅值随输入角成正余弦变化的电压信号；最后用数据采集卡采集输出信号，显示波形并进行频谱分析。