这个方法使用了水土势双曲正弦变换的隐式差分格式。
The method is an implicit iterative scheme with a hyperbolic sine transform for the matric potential.
提出了低码率正弦变换编码算法(STC)的改进算法。
A modified low bit rate sinusoidal transform coding algorithm (STC) is presented.
在三角区域的广义正弦函数和广义余弦函数基础上，定义了三角区域的离散广义正弦变换和离散广义余弦变换。
Based on the generalized sine and cosine functions in the triangular domain, the discrete generalized sine and cosine transform are defined.
本文改进的偶函数和奇函数的AFT算法还分别可以用来计算离散余弦变换(DCT)和离散正弦变换(DST)。
The improved AFT algorithms for even and odd functions can also be used for computing discrete cosine transform (DCT) and discrete sine transform (DST), respectively.
提出了“利用反双曲正弦函数变换提高数据列光滑程度”的新结论，获得了递增时间序列改善的自回归预测新方法。
A new conclusion is put forward, in which the smooth degree of the data row can be enhanced by means of the arc-hyperbolic sine function transformation.
传统的快速傅里叶变换（FFT）可以有效地对正弦信号进行分析，但对于分析频率相近的正弦信号却存在很大的误差。
Traditional FFT can effectively analyze the sinusoidal signal, but the very big error exists for analyzing the similar frequency sinusoidal signal.
相量法是分析正弦稳态电路的数学工具，实质上是一种变换方法。
The phasor analysis is a mathematical method analysing sinusoidal steady state circuit. It is essentially a style of transform.
变换器1被控制为一个基波正弦电流源，变换器2被控制为一个可控电压源。
The converter 1 is controlled as a fundamental sinusoidal current source, and the converter 2 is controlled as a voltage source.
讨论了对含谐波的正弦电压(电流)采样值直接进行小波变换计算基波、谐波电压(电流)的有效值及频率的方法。
It's discussed that the method of RMS and frequency measurements directly from the wavelet transform data associated with each sampling sine voltage (current) element pair containing harmonic.
在系统理论中，付里叶分析与付里叶变换的工具使我们能够对一个线性时不变系统在正弦激励下的响应进行分析，比如一个电路对正弦输入下的响应。
In the theory of the system, the tools of Fourier analysis or Fourier transform enable us to analyze the response of a LTI system, such as a circuit, to such sinusoidal inputs.
这样，离散余弦、离散正弦、离散w变换快速算法就有了一个统一的格式。
So the fast algorithms of discrete sine transform, the discrete cosine transform and the discrete W transform are unified.
向量；统计；概率；映射；变换；正弦与余弦定理；函数。
Vector, Statistics, Probability, Mapping, Transformation, Sine and Cosine Law, Functions.
本文介绍一种基于频率变换的时间放大技术，可用于正弦周期信号的相位精确测量或延迟时间测量。
This article introduces a technology of time amplifier based on frequency converter. It can be used for phase detection of sine period signal or determination of time delay.
介绍了语音变换的相关技术，分析了利用正弦谐波模型实现语音变换的算法及流程。
The technology of voice transformation was introduced. The algorithm of voice transformation based on harmonic sinusoidal modal was analyzed.
证明了利用反双曲正弦函数变换能提高数据列的光滑程度，给出了改善的自回归预测方法，并且举例加以论证。
This paper proves that the smooth degree of a data row can be increased by transforming the counter-hyperbolic sine function.
相量法是分析正弦稳态电路的数学工具，实质上是一种变换方法。
The phasor analysis is a mathematical method analysing sinusoidal steady state circuit.
本文介绍了相量变换原理及其在正弦电路功率分析中的应用。
The phasor transformation and its applications in the AC power analysis are introduced in this paper.
目的探讨X线图像正弦灰度变换技术临床应用价值。
Objective To improve the clinical application of sine grey level transformation of X-ray medical images.
仿真和实验结果表明：所提出的变换器输入电流和输出电压为正弦，谐波小且输入功率因数可控，并可实现零电压换流。
Simulation and experimental results show that the proposed converter has sine wave input current and output voltage, low harmonic content, adjustable power factor, and zero voltage commutation.
为新一代正弦交流稳压器、电子变压器、交流调压器、同频波形变换器的实现奠定了关键技术基础。
This kind of converter lay the key technical foundation on new type regulated sinusoidal ac power supply, electronic transformer , ac regulator, and wave converter etc.
提出了一种正弦基函数神经网络模型，给出了海尔·伯特变换器与微分器优化设计实例。
A sine basis function model is introduced, bringing forward an example of Hilbert convertor and differentiator optimal design.
利用付立叶逆变换，给出了半正弦脉冲激励下桩顶速度时域响应半解析解。分析了主要参数对响应的影响。
Then, a semi-analytical solution for the velocity response of the pile subjected to a semi-sine wave exciting force was derived by using invert Fourier transform.
并利用快速傅立叶变换方法对谐波、闪变和纯正弦波等稳态现象进行分析。
As to steady state phenomena, the traditional signal analysis tool FFT is used for harmonic analysis and flicker.
DC开关变换器非线性程度很高，输入电流为非正弦形式，功率因数极低。
AC/DC switching converters are highly nonlinear. Therefore they draw a non-sinusoidal current with a very low power factor.
介绍了一种多级H桥并联变换器，通过一定的控制方式使每个H桥变压器副边产生的波形叠加成18阶梯波，经滤波后可得到比较标准的正弦波。
The paper introduces a multi-level H-bridge converter, which produces 18-step waveform according to required control method. The standard sine waveform can be gotten after passing through the filter.
对信号进行分析时通常采用传统的傅立叶变换方法，傅立叶变换是时域和频域相互转换的数学工具，从物理意义上讲其实质是将信号分解成许多不同频率的正弦波的叠加。
It is normal to use the FFT method to analyze signals. This method is one kind of mathematical method that changes the time domain signals to frequency domain signal.
对信号进行分析时通常采用传统的傅立叶变换方法，傅立叶变换是时域和频域相互转换的数学工具，从物理意义上讲其实质是将信号分解成许多不同频率的正弦波的叠加。
It is normal to use the FFT method to analyze signals. This method is one kind of mathematical method that changes the time domain signals to frequency domain signal.
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