线性功率放大器有失真小、线性好等优点,但是其损耗大,效率低。
Linear power amplifier has low distortion and good linearity, but it has high loss and so low efficiencies.
优点是制作相对容易,线性好、失真小、频响宽。
Advantage is relatively easy to produce, linear, and distortion of small, wide frequency response.
一个很好的音响系统是好的,但小多媒体盒添加到很多自己的失真。
A good HiFi System is ok, but small multimedia boxes add to much of their own distortion.
分析结果表明,等效小参量法能够适用于失真度大于25%以上的系统,满足目前国际上的实际需要。
The results show that the method is suitable for systems with distortion above 25% and it meets the international requisition.
东西看上去小而且失真。
该信号发生器结构简单,信号失真小,配置灵活,可达到所见即所得的效果。
This signal generator has simple construction, minimum distortion, flexible configuration, and can approach that what you see is what you want.
输出波形精度高,失真小线性好。
High precision of output waveform, good linearity distortion.
为减少由扩展嵌入所引起的图形失真,借助差值直方图来选取可嵌入差值,优先选择绝对值小的差值。
To decrease embedding distortion from difference expansion, a difference histogram-based selection scheme was introduced, which gave priority to the differences with small magnitude.
实验证明,基于3维小波变换的3维SPIHT编码算法在对超光谱图像压缩时,表现出了优良的率失真性能。 并且算法复杂度适中,具有嵌入式特性。
The test results show that the 3D SPIHT algorithm based on 3D DWT for hyperspectral images compression is very efficient, the algorithm is embedded and has modest complexity.
拼接后的图像要求最大程度地与原始图像接近,失真尽可能小,没有明显的缝合线。
After Mosaic, image must be close to the original image. Image distortion must be as small as possible and no obvious seams.
与异步采样电路相比,同步采样电路具有周期短、失真小等优点。
Compared with asynchronous sampling mode, synchronous circuit has the advantages of short sampling period and small distortion.
功率放大器两个基本要求:一是输出信号变化能够与输入信号的变化相一致,即:系统失真小:二是整个功率放大器的损耗低,即:系统效率高。
The requirements are: the change of output signal is consistent with input signal, namely, low distortion; and the loss of the power amplifier is low, namely, high efficiency.
这种算法是采用了均值量化的方法,把数字水印嵌入图像的离散小波域,可以检测在空间域和频率域的图像失真。
The watermark was embedded in the wavelet domain using the mean quantization method. This method can be used to detect the distortion both in spatial and frequency domain.
正弦波输出,失真小,稳定性好,频率范围覆盖整个音频范围。
Sine wave output, low distortion and high stability, frequency range over with whole audio range.
调频收音机具有灵敏度高、工作稳定、选择性好及失真度小等优点。以较高的技术含量和较高的音质得到了广泛的欢迎。
FM radio has the advantages of high sensitivity, stable work, good selectivity and low degree of distortion etc... With high technology content and high quality has been widely welcomed.
本文工作旨在设计出损耗和谐波失真小的小型ADSL变压器,并对该变压器传输特性参数进行测试分析。
In this thesis, the aim is to design the ADSL transformer with low loss and harmonic distortion, and analyze the characteristic of transmission.
介绍一种由单片机控制的采用MAX0 38芯片构成的高频函数发生器,它的特点是输出精度高,频率范围宽,失真小。
The paper proposed a high frequency function generator based on chip MAX038. The function generator had the characteristics of high precision, large frequency range, and low distortion.
经该方法处理后的图像具有失真度小、细节分明等优点,优于目前现有的边缘检测方法。
The problems of parameter selection is solved. Images processed by this method have less distortion and clear details.
为便于测试系统的频率特性,要求输出幅频特性平和波形失真小。
In order to facilitate the testing of the system frequency characteristics of the output requirements of moderate amplitude waveform distortion small.
实验结果表明该算法不仅嵌入信息量大,而且失真小易重构,被广泛应用于医学、法律、军事等领域。
The result shows this algorithm has large hiding amounts, little distortion and easy reconstruction. It has been applied in many fields such as medical...
为了比较真实地恢复被扫描的物体图像,为目标识别提供失真小的图像,文中提出用形态学滤波的方法处理亚成像。
To restore the image of scanned object factually and provide target recognizing system with low distorted image, morphological filters are put forward to process sub-image in this paper.
主要优点失真小,放大倍数高以及增益大小可编程控制。
Its main advantages are low distortion and high magnification times. In addition, its gain magnitude can be controlled through programming.
如果我冒冒失失真地砍断锚缆,那十有八九我和小筏子都会被弹出水面。
Ten to one, if I were so foolhardy as to cut the Hispaniola from her anchor, I and the coracle would be knocked clean out of the water.
相位相关作为一种图像匹配技术对噪声有较高的容忍程度,检测结果与照度无关,受几何失真影响小。但该方法对旋转变化非常敏感。
Phase correlation algorithm as a kind of image matching method has many advantages such as insensitive to noise, unrelated to illumination of target, immune to geometric distortion.
该方法基于率失真曲线的精确理论模型,对小波分解后的不同子带提供最优的动态比特分配从而实现了小波系数的自适应量化编码,最后还实现了码率控制。
It provides optimal dynamic bit allocation for sub-bands of DWT and realizes adaptive quantization for wavelet coefficients. At last, it provides exact rate control for the coder.
该预失真器不仅对非线性改善效果明显,与同类预失真电路相比,还具有结构简单、体积小、成本低的优点。
Compared with other predistortion circuits of the same kind, it is simple, miniature, cost effective as well as giving the great linearity improvement.
实验结果表明,复原后图像细节明显增加且失真小,算法可快速收敛于较小误差。
Experimental results indicate that, more detail is recovered in restoration image with few distortions, and algorithm converges to a small error quickly.
本发明体积小,输出功率大,输出波形失真小,效率高,特别适合用于大型局用程控交换机。
The present invention has small volume, large output power, less distortion in output wave form and high efficiency and is esp. suitable for large program controlled exchanger.
该系统具有结构简单、质量轻、口径大、焦距长、失真小以及良好温度适应性等特点。
Through the system optimization, the analysis of aberration and differential thermal, the designed system is simple, light weight, large aperture, long focal, and good temperature adaptability.
该系统具有结构简单、质量轻、口径大、焦距长、失真小以及良好温度适应性等特点。
Through the system optimization, the analysis of aberration and differential thermal, the designed system is simple, light weight, large aperture, long focal, and good temperature adaptability.
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