我有一架DX - 11软音源调频合成器至今为止我的声音都是由它调和的。
I've got a DX-11 which is an FM synth, which has defined my sound up to now.
本文则提出了一种新的不同于以往的线性调频信号合成方案。
This paper introduces a kind of new scheme for synthesis of linear FM signal.
运动补偿问题是制约机载调频连续波合成孔径雷达（FMCWSAR）实现超高分辨率成像的瓶颈。
The combination of frequency modulated continuous wave(FMCW)technology and synthetic aperture radar(SAR)techniques is often used to obtain ultra-high resolution.
本文首先介绍了DDS的基本原理。然后提出用双dds结构实现调频信号数字合成的方法。
This paper first presents the fundamentals of DDS, and then gives a method of accomplishing digital synthesis of FM signals by means of dual DDS structures.
调频连续波合成孔径雷达(SAR)是一种新体制的高分辨率成像雷达，具有体积小，重量轻，耗电少，造价低，分辨率高等优点，非常适合小型化sar的应用。
Frequency modulated continuous wave (FMCW) synthetic aperture radar (SAR) is a light-weight, cost-effective, high-resolution imaging radar, which is suitable for operation on a small flight platform.
根据信号类型的定义，给出了正弦信号、线性调频信号、V型调频信号、白噪声、混响和回波信号的合成公式。
The arithmetic formulas for sine wave, linear frequency modulation signal, V-style frequency modulation signal, white noise signal, reverberation signal and echo signal are given by their definition.
理想情况下，SAR回波多普勒信号是线性调频信号，采用合成孔径原理提高方位向成像分辨率。
In ideal circumstances, the back scattered echo signal of SAR is chirp signal. With synthetic aperture theory, high azimuth resolution imaging to distant targets can be attained.
调频连续波(FM -CW)合成孔径雷达因其体积小、重量轻、成本低及分辨率高等特点越来越受到关注。
There is a growing interest in the frequency modulated continuous wave (FM-CW) SAR for its advantages such as small cubage, light weight, cost-effective and high resolution.
调频和电视多频道共塔技术中的关键设备是多频道合成器。
The most important equipment is multi-channel synthesizer, it impacts capacity of whole system.
本文介绍了一种应用CORDIC算法的线性调频直接数字合成(DDS)的实现方法。
A new method LFM in direct digital frequency synthesizing (DDS) based on CORDIC algorithm is introduced in this paper.
本文介绍了一种应用CORDIC算法的线性调频直接数字合成(DDS)的实现方法。
A new method LFM in direct digital frequency synthesizing (DDS) based on CORDIC algorithm is introduced in this paper.
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