Far from it. Devices are being built that can manipulate phonons, allowing them to flow in one direction only, for example - the thermal equivalent of a diode.
可以操作声子并只让它们向一个方向流动的设备正在被建造，这是二极管的热等价物。
2
For maximum exceed noise ratio generated, circuit structure to match the equivalent circuit diagram of the solid-state noise diode in avalanche breakdown state has been designed.
根据固态噪声二极管在雪崩击穿状态的等效电路，设计出与之匹配的电路结构，以实现超噪比的最大输出。
3
This paper analyses the physical characteristic of MOV and gives out its mathematical model by making it equivalent to inductance, resistance and diode three parts.