虽然肯定要比喷气式飞机速度慢一些，但是混合型的飞艇基本上没有噪声，同时起飞和降落都不需要下面的基础设施。
Although certainly slower that hopping on a jet, the hybrid blimps are nearly silent and require very little infrastructure to take off and land.
声学相似性是水下结构噪声模型试验的基础。
Acoustic similarity is the base of scaled model tests of underwater structure noise.
这种包含系统噪声的离散状态空间模型的建立，为网络化控制系统的准确辨识和有效控制奠定了基础。
The building of discrete state-space models including system noise provides a basis for the exact identification and effective control.
再次，在对轮胎花纹噪声研究的基础上，探讨了道路噪声的发声机理、发声模型及其仿真模型，并进行了仿真实验分析。
Thirdly, the paper has discussed the generation mechanism, acoustic model and the simulation model of the road noise on the basis of the tire pattern noise, and carried out the simulation analysis.
在研究传统解微分方程距离保护采用固定窗长的基础上，提出了一种基于噪声水平控制的变窗长算法。
This paper presents a novel algorithm for solving differential equation of distance protection which adopts an adaptive window length based on noise level control.
虚拟暗室的测试理论是用于普通环境下的EMI测试的新方法，它的基础是自适应噪声抵消系统。
Virtual chamber theory describes a new method used to test equipments EMI in normal environment that is based on adaptive noise cancellation system.
在对高速冲床的噪声组成及其测试结果分析的基础上，指出了主要噪声源及噪声特性。
On the basis of analysing composition and testing results of noise generated by high speed punch press the major noise sourse and the noise characteristics are pointed out.
该文在消隐非线性输出snr分析的基础上，提出了OFDM系统脉冲噪声处理的阈值优化算法。
An optimization algorithm for impulsive noise mitigation in OFDM system is proposed based on the analysis of output SNR of blanking nonlinearity.
为进一步研究整车振动、疲劳、噪声等奠定了基础，也为车架结构的优化设计提供参考依据。
The result will lay the foundation to further study vibration, fatigue, noise of dump truck and for the frame of reference for design optimization.
在此基础上对车内噪声进行了分析与控制。
Based on this, the analysis and control of in-car noise are performed.
在动态子结构修改方法的基础上，建立了车身结构的低噪声优化设计模型。
An optimization model for low noise design of an automobile body structure is developed based on the dynamic substructure modification method.
在分析反应堆松动部件冲击信号噪声基本特征基础上，利用小波非线性阈值滤波方法对冲击信号的提取进行了研究。
On the basis of analyzing the basic features of impact signal noise from reactor loose parts, the wavelet nonlinear threshold value filtering method for the use of impact signal extraction is studied.
从算法的理论基础来看，其中基于噪声模型的噪声清除算法对其他编码算法(如dct、DPCM、JPEG、SPIHT、MPEG等等)同样具有推广意义。
According to the theory of the algorithm, the noise elimination algorithm based on noise model can also be extended to the other compression algorithms such as DCT, DPCM, JPEG, SPIHT and MPEG.
准确计算定子模态和固有频率是降低电机噪声和振动的基础。
Calculation of the stator modal frequencies of an electrical machine accurately is the base of reducing acoustic noise and vibration.
在已有限定记忆卡尔曼滤波方法的基础上，引入状态噪声，并推导了新的限定记忆卡尔曼滤波公式。
Based on the limited memory Kalman filtering equation, a new equation with dynamic noise is given in the paper.
在分析了铁路振动与噪声及其传播规律的基础上，列出了减小铁路振动与噪声影响的方法。
Based on the analyses of the vibration and noise oft he trains and its propagation law, the methods for reducing the influence of them are put forward in this paper.
图像边缘检测是图像分割、图像识别的基础，传统的边缘检测方法对噪声非常敏感。
The image edge detection is the basis of image segmentation and image recognition. But the traditional methods of image edge detection are sensitive to noise.
第二章是噪声检测基础部分。
Chapter two is about the foundational knowledge of noise detection.
在分析噪声的基础上，较全面地介绍了公共阻抗耦合的噪声及其危害，讨论分析了抑制该噪声的方法。
On the basis of analysis of noise, the noise caused by common impedance coupling and its harmfulness are introduced comprehensively. The suppression methods are discussed and analyzed.
以巴克·豪森噪声(BN)原理为基础测量曲轴热处理后残余应力。
Based on Barkhausen Noise (BN), heat treatment residual stresses of crankshafts were practically measured.
传统的信号检测和估计方法一般是建立在背景噪声是白噪声这一假设基础之上。
Traditional methods of signal detection and estimation were based on the assumption that the background noise is white.
在此基础上，对加工中的颤振和噪声做了一些讨论。
On the basis, the chatter and noise are discussed during the cutting.
本文在对相位噪声的概念、产生及其相关测量方法研究的基础上，设计出一种低噪声频率变换电路。
This paper presents a new type of low noise frequency conversion circuit based on the research of phase noise conception, generation as well as relativity measurement method.
在分析路面噪声产生机理的基础上，确定路面噪声的特性。
Based on the analysis of pavement noise's mechanism, character of pavement noise was ascertained.
在此基础上测量和分析了社会噪声、交通噪声等对人类听觉损伤较大的噪声。
Base on that, the noises which do human hearing harm, such as environmental noise, traffic noise, etc, are measured and analyzed.
本论文在对传统相位噪声测量方法研究的基础上，提出了基于等效鉴相频率的相位处理和相位噪声的测量。
On the research of traditional phase noise measurement methods, a new phase processing and phase noise measurement method based on Equivalent phase Comparison Frequency is proposed in this paper.
根据分解的结果，可以比较准确地确定产生噪声的声源，为后续重点且有针对性的治理噪声打下了良好的基础。
According to the resolved results, the noise sources can be accurately determined which could be the key and a good basis for the noise control.
伪随机噪声在数字信号处理中具有重要的实用价值，白噪声是产生具有指定概率分布的伪随机噪声的基础。
The pseudo-random data are widely applied in digital signal processing. White noise data is the basis of generating random data, which has the expected probability distribution.
在分析各种振动噪声根源的基础上，对微型直流电机的振动与噪声进行了研究，提出了解决微型电机振动噪声问题的思路和方法。
The vibration and noise root cause of PMDC motor are studied, and the solutions for the noise and vibration of micro motor are also proposed in this paper.
在分析各种振动噪声根源的基础上，对微型直流电机的振动与噪声进行了研究，提出了解决微型电机振动噪声问题的思路和方法。
The vibration and noise root cause of PMDC motor are studied, and the solutions for the noise and vibration of micro motor are also proposed in this paper.
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