相关概念视频
01:23Design Example
327
The innovation of touch-tone telephony revolutionized the telecommunications industry by replacing the traditional rotary dial with a dual-tone multi-frequency (DTMF) signaling system. This system uses a matrix-style keypad with buttons arranged in four rows and three columns, creating 12 distinct signals each assigned to a pair of frequencies. Each button press results in a simultaneous generation of two sinusoidal tones – one from a low-frequency group (697 to 941 Hz) and one from a...
327
01:24Color Vision
573
Color perception begins in the retina, the light-sensitive layer at the back of the eye. Two main theories explain how colors are seen: the trichromatic theory and the opponent-process theory. The trichromatic theory, proposed by Thomas Young in 1802 and extended by Hermann von Helmholtz in 1852, suggests that color vision is based on three types of cone receptors in the retina. These cones are sensitive to different but overlapping ranges of wavelengths corresponding to red, blue, and green.
573
01:22Block Diagram Reduction
204
The process of deriving the transfer function of a control system often involves reducing its block diagram to a single block. This simplification can be achieved through a series of strategic operations, including relocating branch points and comparators. These operations preserve the overall function of the system while allowing for easier manipulation and combination of blocks.
The first step in this process is the identification and relocation of a branch point. A branch point, where a...
The first step in this process is the identification and relocation of a branch point. A branch point, where a...
204
01:20Design Example: Capacitance Multiplier Circuit
774
In integrated circuit technology, a capacitance multiplier is often utilized to produce a larger capacitance value when a small physical capacitance falls short. This is achieved by a circuit that multiplies capacitance values by a factor of up to 1000, such that a 10-pF capacitor can replicate the performance of a 100-nF capacitor.
The circuit illustrated in Figure 1 below incorporates two op-amps, with the first operating as a voltage follower and the second acting as an inverting amplifier.
The circuit illustrated in Figure 1 below incorporates two op-amps, with the first operating as a voltage follower and the second acting as an inverting amplifier.
774
01:12Bewley Lattice Diagram
639
The Bewley lattice diagram, developed by L. V. Bewley, effectively organizes the reflections occurring during transmission-line transients. It visually represents how voltage waves propagate and reflect within a transmission line, making it easier to understand the complex interactions that occur.
639
您也可能阅读
相关文章
通过共同作者、期刊和引用图与本文相关的文章。
排序
Same author
Brain over muscle: central mechanisms predominate in gait impairment among older adults with type 2 diabetes mellitus.
Frontiers in aging neuroscience·2026
相关实验视频
Updated: Jul 1, 2025
07:45
Quasi-light Storage for Optical Data Packets
Published on: February 6, 2014
10.8K
概括
本研究介绍了三元光学计算机的新硬件并行解码方案,比软件方法提高了正确性和效率. 通过实验验证,拟议的设计已被证明是实用的和可行的.
科学领域:
- 计算机工程 计算机工程
- 光学计算是指光学计算的应用.
- 数字电子数字电子数字电子
背景情况:
- 在三元光学计算机中软件解码在正确性和效率方面面临挑战.
- 现有的方法缺乏针对并行解码的优化硬件解决方案.
研究的目的:
- 为三元光学计算机提出并验证基于硬件的并行解码方案.
- 为了提高光学计算系统中解码操作的准确性和速度.
主要方法:
- 设计了一个硬件解码电压分离器电路和单像素转码.
- 使用沈定理和退化设计理论,为SJ-MSD和TW-MSD加法器开发了一个并行解码方案.
- 实现了解码方案的时间共享组合和结果访问的定位方案.
主要成果:
- 拟议的硬件并行解码方案解决了正确性和效率问题.
- 实验结果证明了开发方案的实用性和可行性.
- 时间共享组合方法被选为最佳性能.
结论:
- 硬件并行解码方案为三元光学计算机提供了可行的解决方案.
