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- A form of frequency modulation in which the carrier frequency is shifted between a mark frequency and a space frequency in response to the impressed intelligence signal ( frequency-shift keying ). 频率调制的一种方式,其中载波频率在标志频率和场频率之间移动,以响应外加的情报(数据)信号。
- space frequency modulation 空间频率调制
- According to optical transfer function, degree of modulation and apperceive degree of space frequency vision vs object image, TIFF grayscale scenograph is made. 根据光学传递函数、调制度和空间频率视觉及对物象的感知程度,制作TIFF格式透视灰度图。
- Frequency modulation does not allow static to creep in. 频率调制不允许静电干扰混入。
- Frequency modulation is not possible with polychromatic light. 多色光不可能调制频率。
- The figure below illustrates a simple frequency modulation architecture. 下面的图表列举了一个简单的调频结构体系。
- A method of representing data in magnetizable surface storage; for example,"modified frequency modulation". 在磁表面存储技术中一种表示数据的方法,例如改进型调频制。
- The MTF of the same lens in the different space frequency is measured, the results agree well with the practical results. 对同一双胶合透镜在不同空间频率下的MTF值进行了测量,所得结果与实际值基本吻合。
- A large proton synchrotron,uses frequency modulation of an electric field to accelerate protons. 一种大的质子同步加速器,用电域的调频加速质子。
- Objective To explore the curative effects of picture visual evoked potential(PVEP) space frequency stimulation therapy on amblyopia. 目的观察图像视觉诱发电位(PVEP)自率空间频率眼、脑联合训练疗法治疗儿童弱视的疗效。
- A method of representing data in magnetizable surface storage;for example, " modified frequency modulation" . 在磁表面存储技术中一种表示数据的方法,例如改进型调频制。
- American engineer and inventor whose improvements to radio communication included the development of frequency modulation(1933). 阿姆斯壮,奈尔·奥尔登生于1930美国宇航员,他森身为阿波罗11号指挥官,成为第一个登上月球的人(1969年7月20日)
- In this paper, two fractionally-spaced space frequency equalization schemes for the downlink of broadband single-carrier multi-user MIMO-CDMA system are proposed. 该文提出了两种适用于宽带单载波多用户MIMO-CDMA系统下行链路的分数间隔空频均衡接收方案,并进行了理论推导。
- It is also required that the power station shall be capable of moderating with load peak, frequency modulation. 要求该电厂有调峰、调频的能力。
- G. can be attained, and that in order to enhance S.S.G. for a given saturation efficiency, the changing rate of grating space frequency should be chosen properly. 在保证一定的饱和抽取效率情况下,为了提高小信号增益,应适当地选取光栅的空间频率变化率。
- A method of representing data in magnetizable surface storage;for example"modified frequency modulation. 在磁表面存储技术中一种表示数据的方法,例如改进型调频制。
- A method of representing data in magnetizable surface storage; for example, "modified frequency modulation". 在磁表面存储技术中一种表示数据的方法,例如改进型调频制。
- Frequency modulation offers an effective parameter for spectral evolution: the modulation index (i). 能够控制声音的时变频谱要素对声音合成来说是至关重要的。
- A Pseudorandom Code Phase Modulation and Sinewave Frequency Modulation Combined Fuse. 伪随机码调相与正弦调频复合引信
- The range of frequency modulation has now been shifted, and energies from the outside are working to alter the planet. 频率调整范围现在已经改变,并且从外界而来的能量正运转来改变行星。