现在最常用的电子设备是手机或手机。随着通信技术的进步，对手机的需求急剧增加。手机通常在 0.9 至 3GHz 的频率范围内发送和接收信号。本文提供了一个简单的电路，通过检测这些信号来检测激活的手机是否存在。

A junction has been branded a “playground” after a council spent £5.5 million on a colourful makeover. The California Crossroads in Finchampstead, Berkshire, which contains a zebra crossing ...

Bipolar disorder is a lifelong condition. It is not yet curable, but medication, therapy, and other strategies can help manage the symptoms and reduce its effects on a person’s daily life ...

Bipolar disorder causes a person to experience intense shifts in mood. These shifts can also occur with changes in sexual desire, confidence, or function. However, it is important to note that ...

I’m on my third marriage. Due to past struggles with hypersexuality, mania, and very poor impulse control, I’ve had a lot of bad outcomes in the love department. If my story were the only example, it ...

Parenting is both rewarding and difficult, and our duties as caregivers to our children or adolescents evolve as they learn, grow, and mature. One of our more basic responsibilities as a parent or ...

Abstract: Polysilicon is extensively employed as a material for emitters in vertical bipolar junction transistors (BJTs) to achieve high current gain (beta). To enhance the electrical properties of ...

As a psychiatrist, I have two options for treating my patients: mood stabilizers, which are usually anticonvulsants, and antipsychotics. Antipsychotics are a key treatment in managing bipolar I ...

The most sophisticated background location-tracking & geofencing module with battery-conscious motion-detection intelligence for iOS and Android.

The gastro oesophageal junction is where your oesophagus joins your stomach. Cancer that starts here is called gastro oesophageal junction (GOJ) cancer. It might also be called oesophago gastric ...

Several foundries continue to develop new processes based on next-generation gate-all-around transistors, including more advanced high-mobility versions, but bringing these technologies into ...