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  high speed
The ADSP-TS101 is a high performance digital signal processor (DSP) with good properties that include parallel processing and a high speed.
      
The research about hysteresis characteristic of finger seal (FS), which was carried out based on the model with static loads, could not reflect the dynamics behavior of FS system when the rotor runs at high speed.
      
The developed actuator is characterized by high frequency (30 Hz), high speed (380 μrad/s), large travel (>amp;gt;270°), high resolution (1 μrad/step), and work stability.
      
Shaking table test of composite foundation reinforcement of saturated silty soil for high speed railway
      
Information on the pressure at the edge of a turbulent stream is necessary for many dynamic calculations of waterworks and for the design of structures which move at high speed in water or air.
      
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This apparatus is specially designed for studying the vibration of high speed spindles. In order not to affect the vibration, direct contact with the spindie is avoided by using a condenser as transducer in a heterodyne frequency modulation circuit.

本仪器为了研究锭子在高速运转的振动而制造,为了不影响锭子振动,采用了电容为变换器的外差式调频电路以避免与锭子直接接触。

Many novel nanosecond pulse circuits with nanosecond rise time and high-repetition rate using step recovery diodes are discussed and recommended in this paper. The physical mechanisms of these circuits are described qualitatively by using the charge storage concepts and theory.The circuits discussed in this paper are divided into three groups: the pulse forming circuits which transform high frequency sinusoidal waves into nanosecond pulses; the pulse shaping circuits which transform pulses with slower...

Many novel nanosecond pulse circuits with nanosecond rise time and high-repetition rate using step recovery diodes are discussed and recommended in this paper. The physical mechanisms of these circuits are described qualitatively by using the charge storage concepts and theory.The circuits discussed in this paper are divided into three groups: the pulse forming circuits which transform high frequency sinusoidal waves into nanosecond pulses; the pulse shaping circuits which transform pulses with slower transient response into pulses with faster transient response, and the pulse generator circuits which make use of the step recovery diodes combined with other high-speed semiconductor devices.The inherent capability and importance of the step recovery diodes in the nanosecond pulse circuits are well illustrated by the discussion of various circuits developed in this paper. Other types of new pulse circuits using step recovery diodes with more detailed analysis and practical circuits will be reported in the near future.

本文討論了利用二极管由正向至反向恢复的阶跃特性所构成的多种新穎毫微秒脉冲电路;指出了阶跃恢复二极管在高重复頻率毫微秒脉冲电路中应用的多种可能性;并根据电荷存儲概念对各电路的物理机构提出了定性描述。 本文所研究的电路分成三类:将高重复頻率正弦波变換成毫微秒脉冲的形成电路;将响应慢的脉冲变換成响应快的脉冲的整形电路;与晶体管配合的毫微秒脉冲发生器电路。 通过这些电路的討論,提出阶跃恢复二极管在脉冲电路中应用的重要性及潛在能力。在以后的論文中将探討其它新型电路,并对某些电路作較詳尽的分析,提供实际应用举例。

A new high speed integrated logic has been described. Instead of a single type of cell gate which is used in most logic IC's, the new logic here described is based on several types of basic cells to synthesize a logic system. Therefore, the threshold characteristic will not be the common requirement for each type of cell gates. The main logic unit in DYL is a very high-speed linear AND-OR gate made with simple technology (without threshold). A four-bit full adder carry chain specimen has been...

A new high speed integrated logic has been described. Instead of a single type of cell gate which is used in most logic IC's, the new logic here described is based on several types of basic cells to synthesize a logic system. Therefore, the threshold characteristic will not be the common requirement for each type of cell gates. The main logic unit in DYL is a very high-speed linear AND-OR gate made with simple technology (without threshold). A four-bit full adder carry chain specimen has been developed with wide-line photolithography. It's time-delay measured for each carry stage is about 1 ns for the front edge of the signal and even much smaller for the trailing edge. The maximum power dissipation per gate is about 12.5mW. This new logic has been analysed and compared with several conventional integrated logic circuits.

介绍了一种新的高速集成逻辑电路。它不同于常用集成逻辑电路那样基于一种基本单元门电路,而是由几种基本单元组合而成所需的逻辑系统,因而并不要求每种基本单元都有阈值特性。其主要基本单元就是一种高速线性“与或”门,工艺很简单。用较粗尺寸工艺试作的四位全加器进位链样品,实测速度为每级进位上升边延迟1ns,下降边延迟更小。每门最大功耗12.5mw。文中还与几种原有的集成辑逻电路进行了分析比较。

 
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