本发明公开了一种下采样的方法及装置、信号均衡方法及系统。
The invention discloses a method and apparatus for lower sampling, a method and system for equalizing signals.
该函数执行高斯金字塔结构下采样的步骤。首先，它与内核的源图像进行卷积。
The function performs the downsampling step of the Gaussian pyramid construction. First, it convolves the source image with the kernel.
本文中首次尝试了在频率域算法中加入金字塔模型，对原本低分辨率图像进行若干次下采样后层层配准提高精度。
In this paper, it is the first time for us to add the pyramid model to the algorithm by Vandewalle et al. to increase the accuracy by coarse-to-fine registering layered down-sampled images.
试验结果表明：该算法在获得与级联解码器-下采样-编码器几乎一致的视频质量情况下，大大地降低了计算复杂度。
Experimental results show that the complexity of our proposed algorithm is much less than that of the cascaded decode-encoder scheme, while the quality of video almost keeps the same.
针对基本轮廓波变换纹理检索系统检索率较低的问题，提出了一种无下采样轮廓波变换（NSCT）纹理图像检索系统。
Referring to the low retrieval rate of basic contourlet transform, a Non-subsampled Contourlet Transform (NSCT) texture image retrieval system is proposed.
数码钢琴艺术的现状是基于采样技术，录制下每个音符在一段时间内的发声，丝毫没有考虑到乐器本身的复杂性。
The state of the art of digital pianos is based on sampling technology. Each note is a recording of how it sounded at a specific moment, without taking into account the complexity of the instrument.
接下来让我们了解一下如何为项目制定采样计划，您需要在其中确定SOA应用程序能够处理的最大事务量。
Let's examine how to construct a sampling plan for a project where you need to determine the maximum number of transactions an SOA application is capable of processing.
论文的主要结果有(1)对双速率采样系统，分别给出了基于状态空间模型和输入输出模型下的预测控制器的设计方法。
The main results are: (1) For a dual-rate sampled system, the design methods of predictive controller based on state-space model and input-output model are given respectively.
现在，我要来描述下如何去采样和在哪去采样，来构造一张图片。
Now I am going to describe how and where we taKe samples to build an image.
一般采样脉冲都是在装置内部时钟的控制下产生的。
Generally sampling pulse is produced by the control of clock inner device.
简单的线性模型可以用来分析过采样和噪声整形的特性，也可以在大量仿真做支持的情况下，用来作为设计的近似模型。
Simple linear quantizer model can be used to analysis over sampling and noise shaping, and can be used to design modulator based on large amount of simulation, too.
为了在任意采样率下都可以高效、准确地进行基音周期提取，提出基于归一化幅度差平方和函数的基音周期提取算法。
A pitch tracking algorithm was developed based on the normalized sum of the magnitude difference square function (SMDSF) for accurately estimating speech pitch at any sample rate in real time.
在考虑系统噪声和网络诱导延时大于一个采样周期的情况下，给出了多包传输的网络控制系统模型。
The model of NCS with multiple-packet transmission is presented considering system noise and network-induced delay longer than one sampling period.
在数字正交调制原理的基础上，宽带信号的产生问题实际上转换为如何得到高采样率下的时域基带信号。
Based on the principle of digital orthogonal modulation, the generation question of wide-band signal is factually identical with how to generate base-band signal with high sampling in time domain.
在低采样率的模式下可以减少30%的动态功耗。
It can save more than 30% dynamic power consumption in low sample rate.
然后，结合数据再同步的需求分析了频率自适应采样方法在高密度的相量同步情况下的局限性；
Then, the limitations of the adaptive sampling interval technique are analyzed by taking into account the requirement for high frequency resynchronization.
为满足振荡情况下电气量计算的要求，利用基于瞬时采样值的微机算法进行计算并对该算法进行了验证。
A new microprocessor algorithm, which based on instantaneous sampling values, is developed and tested to meet the calculation requirement when system oscillation occurs.
其次，在考虑系统噪声和延时可以大于一个采样周期的情况下，提出了单包传输和多包传输的网络控制系统的模型。
Secondly, the model of NCS with single-packet and multiple-packet transmission under considering system noise and network-induced delay longer than one sampling are proposed.
视频序列的时域亚采样对于低比特率信道上的视频传输和存储空间受限条件下的视频存储具有十分重要的意义。
The temporal sub-sampling technique of the video sequence is very important for the video transmission in the low-bit-rate channel and the video storage in the limited storage space.
在理想同步采样的条件下，提出了一种基于简谐信号复幅度的频率偏差求取算法。
Based on the complex magnitude of harmonic signals and under the condition of ideal synchronous samplings, an algorithm for computing the frequency deviation is proposed.
还对各工况下的速度采样时间及误差进行了计算和比对。
Moreover calculation and comparison of speed sampling time and error under various working mode are made.
针对废水连续不稳定的排放状态，讨论不同采样方法下核算污染物排放总量的误差。
Considering the successive and unsteady emitting status of waste water, the errors of calculating pollutant discharge gross quantity for each of various kind of sampling methods were discussed.
相同频率调制比和幅度调制比的情况下，对调制波信号的不同采样点分布可以得到不同的SVM波形。
Under the same amplitude modulation index and same frequency modulation index, different SVM waveforms can be derived from different sampling point distributions.
论文主要研究时间（频率）、空间欠采样条件下的参数估计与阵列校正方法。
The problem of parameter estimation and array calibration with sub-Nyquist sampling is studied in this doctoral dissertation.
在高数据采样率，特别是大时宽带宽积条件下，时域的数字正交采样和脉冲压缩包含大量的乘加运算。
The computation burden of the quadrature sampling and pulse compression is huge when the data rate is high and the time bandwidth product is not small.
与传统的数据长度补零逆傅里叶变换方法相比，在相同的采样分辨率条件下，该方法能有效减小计算量。
Compared with traditional inverse Fourier transform method, which used zeros padding method, at the same condition of sampling resolution, the method proposed could decrease the calculation load.
在此基础上讨论了在不同时间相关性杂波背景下时域采样的增加对检测性能的影响。
Further, the paper discusses the influence of increasing the time samples on the detection performance under different coherent clutter background.
在此基础上讨论了在不同时间相关性杂波背景下时域采样的增加对检测性能的影响。
Further, the paper discusses the influence of increasing the time samples on the detection performance under different coherent clutter background.
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