In effect, a negative resistance is inserted in the circuit so that its total resistance is zero.
实际上，这就是把负电阻接入电路，使电路的总电阻为零。
It's pretty well known that "negative resistance" can be used to generate oscillations in electronic circuits.
众所周知，“负阻特性”可以被应用在产生震荡的电路中。
A coupled negative resistance method for building the microwave active band-pass filters is described in this paper.
研究了一种利用耦合负阻法制作微波有源带通滤波器的方法。
A negative resistance is not a component of the real circuit, but it can be realized by using other circuit components.
负电阻不是实际存在的电路器件，但它可以通过其它的电路元件来实现。
The photo-bidirectional negative resistance transistor (PBNRT) is a novel "s" type photoelectric negative resistance device.
光电双向负阻晶体管(PBNRT)是一种新型S型光电负阻器件。
Various of photo-controlled functions discovered from silicon photo-negative resistance devices are presented in this paper.
全面介绍了从硅光电负阻器件上发现的几种光电控制功能，为进一步开发应用这类器件奠定了基础。
The invention relates to a negative resistance circuit, belonging to the fields of electronic technique and earth air conditioning.
负电阻电路属于电子技术、地球空调领域。
The I-V characteristic curve of MOM presents a negative resistance feature at low atmospheric pressure., and a memory effect in air.
发现I—V特性曲线在高真空中呈现负阻特征，在大气中表现为记忆特征。
Based on this, a Two-terminal Bidirectional negative resistance Device (TBNRD) is fabricated and the theory of the negative resistance is studied.
在此实验基础上研制得到一种双向两端S型负阻器件(TBNRD器件).本文还对该器件产生负阻的原因进行了理论分析。
The negative differential resistance devices with two negative resistance regions (twin-peak NDR devices) can be built by circuit synthesis approach.
本文探讨具有两个负阻区的微分负阻器件的电路合成法实现问题。
What's not so well known is that some ordinary NPN transistors such as the 2N2222, 2N3904 and 2N4401 exhibit negative resistance when reversed biased.
但是，却很少有人知道，一些普通的NPN三极管，如2N2222、2N3904和 2N4401，在反向偏置时也表现出负阻特性。
Switching phenomena with an associated negative resistance region have been observed in the current-voltage characteristics of lead oxide film sandwiches.
在氧化铅薄膜三层结构的电流——电压特性中发现了具有负电阻区的开关现象。
Its photoelectric negative resistance characteristics were investigated both by experiment and numerical simulation and its equivalent circuit is proposed.
本文对它的光电负阻特性进行了数值模拟和实验研究，给出了器件等效电路。
In the process of SC design, an approach combining parasitic resistance pre-mutating and SC negative resistance is followed to achieve a simple filter circuit.
并采用寄生电阻预畸变与SC负电阻相结合的办法，设计的SC滤波器对寄生电容不灵敏，且电路简单。
An inner reverse barrier is simulated with the I-V curves, as shows that the negative resistance phenomenon is caused by the break down of the reverse barrier.
模拟分析表明，一种反向势垒的存在及其击穿，应是引起负阻现象的原因。
The negative resistance and the noise performances are calculated by means of small signal theory. The large-signal performances are also approximately described.
本文用小信号理论计算了其负阻和噪声性能，并进行了大信号性能的近似分析。
The structure can reduce the parasitic capacitance of the sensor, improve the negative resistance characteristics of the sensitive film, and be used in micro gyroscope.
该结构降低了器件的寄生电容，改善了敏感薄膜的负阻特性，适用于共振隧穿效应陀螺。
The experimental results of analogue circuit show that type-S negative resistance can be obtained by using two like polarity transistors with various circuit connections.
模拟电路实验证明用两个同极性的晶体管以多种电路接法都能获得具有S型负阻特性的两端器件。
In this paper, the electric circuit of linear negative resistance was designed with operational amplifier, and its characters. Special stability condition, were analysed.
本文给出用运算放大器实现负电阻的实验电路及其分析，主要讨论电路的稳定条件。
According to the distribution of potential, electron and hole in the BNRT at different stages, the mechanism inducing S-type negative resistance characteristics is explained.
根据BNRT不同工作状态下的内部电势、电子浓度和空穴浓度分布，解释了其S型负阻特性的产生机理。
A new type of photo isolator has been developed by packing light emitting devices with silicon photo negative resistance devices face to face to realize electrical isolation.
将发光器件和硅光电负阻器件面对面地封装在一起，其间实现电隔离，构成一种新型光耦合器。
The SC filter is insensitive to parasitic capacitance implemented by a simple circuit in the way of combining advance mutation of parasitic resistance and SC negative resistance.
为了获得电容最佳值，提出了一种简单的最优化方法；并采用寄生电阻预畸变与SC负电阻相结合的办法，设计的SC滤波器对寄生电容不灵敏，且电路简单。
The necessity of setting the bias current and segregation resistances in every element of bipolar silicon photo-negative resistance phototransistor array is studied and analysed.
探讨并分析具有光致负阻特性的双极型硅光电三极管阵列中各单元器件设置偏流隔离电阻的必要性。
With the bistability and self locking of the silicon photo negative resistance devices, these non linear photoisolators exhibit response maintaining function for the input signal.
由于光电负阻器件具有双稳和自锁特性，这种非线性光耦合器具有响应保持功能。
The results of negative resistance effect and transient characteristics of a SOI structure prove that the program can correctly simulate the main phenomena caused by self heating effect.
对一个SOI结构的负阻效应和瞬态特性的模拟结果表明，该程序能够正确模拟器件发热情况以及自热对器件特性的主要影响。
This paper describes a new method by which the positive, negative resistance to ground of DC bus and branch could be tested precisely by mere use of universal instruments and standard resistors.
提出一种仅用万用表和标准电阻就可以准确测量出直流母线和支路负荷正对地电阻、负对地电阻的新测量方法，这种方法能准确查找绝缘低故障支路；
The paper describes the method of fabricating flexible polyaniline electrode. Negative resistance is observed obviously in the air using the electrode in the devices and its mechanism is discussed.
描述聚苯胺柔性透明电极的制作方法，利用该电极制作负电阻器件，在大气环境下观察到明显的负电阻特性，并对其产生负电阻的内在机理进行分析。
Although positive people showed a greater resistance to colds, negative people did not necessarily get sick more often.
尽管积极的人对感冒表现出较强的抵抗力，消极的人也不一定更容易经常感冒。
Negative PCR works like wind resistance does on your car: the harder you put your foot down, the more the wind impedes any further increase in your speed (see "It pays to be negative").
负pcr的工作原理就像风对汽车的阻力一样：踩油门越困难，提速时风的阻力就越大。
However, this approach has led to the evolution of resistance to pesticides and has severely negative impact on human health and the environment.
然而，这种方法已经导致了害虫对杀虫剂的抗药性，同时也已经给人类健康和环境造成了严重的负面影响。
应用推荐