3301050-02-12-15-02-05近場(chǎng)探頭是一種傳感器，用于測(cè)量電磁場(chǎng)的強(qiáng)度、方向和頻率等參數(shù)。這種傳感器內(nèi)部包含一組線圈，當(dāng)靠近磁場(chǎng)源時(shí)，磁場(chǎng)會(huì)穿過線圈并導(dǎo)致線圈內(nèi)部的電路發(fā)生變化，從而產(chǎn)生電動(dòng)勢(shì)。這個(gè)電動(dòng)勢(shì)的大小和方向可以用來確定磁場(chǎng)的強(qiáng)度和方向。
近場(chǎng)探頭通常被應(yīng)用于無線電、通信、雷達(dá)、天線、電磁兼容性等領(lǐng)域的測(cè)試和測(cè)量，還可以用于電磁波的輻射和吸收等研究。此外，在電子器件的設(shè)計(jì)和測(cè)量中，近場(chǎng)探頭也發(fā)揮著重要作用。例如，在電路板測(cè)試中，近場(chǎng)探頭可以通過測(cè)量輻射和傳導(dǎo)信號(hào)的變化來確定故障的位置或原因。
近場(chǎng)探頭在多個(gè)領(lǐng)域中都有廣泛的應(yīng)用
故障排查和分析：近場(chǎng)探頭可以用于故障排查和分析，通過測(cè)量輻射和傳導(dǎo)信號(hào)，可以快速定位和診斷電磁故障。例如，在電路板上，可以通過探測(cè)信號(hào)的變化確定故障的位置或原因，從而進(jìn)行修復(fù)或改進(jìn)。
電磁波輻射防護(hù)：近場(chǎng)探頭可以用來評(píng)估、設(shè)計(jì)和改進(jìn)電磁波輻射防護(hù)方案。通過測(cè)量電磁輻射的強(qiáng)度和頻率，可以確定哪些部分需要加強(qiáng)屏蔽措施，從而減少人員暴露在電磁輻射環(huán)境中的風(fēng)險(xiǎn)。
醫(yī)學(xué)領(lǐng)域：近場(chǎng)探頭還可以用于醫(yī)學(xué)領(lǐng)域的生物電信號(hào)檢測(cè)和研究。通過將近場(chǎng)探頭放置在人體表面附近，可以實(shí)時(shí)監(jiān)測(cè)和記錄人體內(nèi)部的電生理信號(hào)，如心電圖、腦電圖等。這些信號(hào)的分析和研究對(duì)于疾病的診斷和治療具有重要意義。

3301050-02-12-15-02-05

3301050-02-12-15-02-05 A near-field probe is a sensor used to measure parameters such as the intensity, direction and frequency of an electromagnetic field. This sensor contains a set of coils inside, and when near a magnetic field source, the magnetic field passes through the coil and causes the circuit inside the coil to change, creating an electromotive force. The magnitude and direction of this electromotive force can be used to determine the strength and direction of the magnetic field.
The near-field probe is usually used in the test and measurement of radio, communication, radar, antenna, electromagnetic compatibility and other fields, and can also be used in the radiation and absorption of electromagnetic waves. In addition, near-field probes also play an important role in the design and measurement of electronic devices. For example, in circuit board testing, near-field probes can determine the location or cause of a fault by measuring changes in radiation and conducted signals.
Near-field probes are widely used in many fields
Troubleshooting and analysis: Near-field probes can be used for troubleshooting and analysis to quickly locate and diagnose electromagnetic faults by measuring radiation and conducted signals. For example, on a circuit board, the location or cause of the fault can be determined by detecting changes in the signal, so that repairs or improvements can be made.
Electromagnetic radiation protection: Near-field probes can be used to evaluate, design and improve electromagnetic radiation protection schemes. By measuring the intensity and frequency of electromagnetic radiation, it is possible to determine which parts need enhanced shielding measures, thereby reducing the risk of exposure to electromagnetic radiation in the environment.
Medical field: The near-field probe can also be used for bioelectrical signal detection and research in the medical field. By placing the near-field probe near the human body surface, the electrophysiological signals inside the human body can be monitored and recorded in real time, such as electrocardiogram, electroencephalogram, etc. The analysis and study of these signals are of great significance for the diagnosis and treatment of diseases.

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