The filter function is to effectively filter out the frequency point of a given frequency in the power line or a frequency other than that frequency point, to obtain the power signal of a given frequency or to eliminate the power signal after a given frequency. Use the selected frequency of the filter to filter noise interference or spectrum analysis。
The filter is divided into low-through-filter filters according to the frequency band of the passing signal, allowing a low-frequency or straight-flow pass of the signal, inhibiting the high-frequency fraction or interference and noise; high-through filters, allowing the high-frequency fraction of the signal to pass, inhibiting the low-frequency or straight-through fraction; and signals with a certain range are allowed to pass, inhibiting signals, interference and noise below or above the frequency band, etc。
Price Description
Price: The displayed price of Xiangpin on the Peanut Shell B2B Foreign Trade Information Platform may vary depending on Xiangpin's participation in activities, purchase quantity, or selected regulations. If the user reaches an agreement with Xiangjia offline, the settlement price of the offline agreement shall prevail. If the user completes an online purchase on the Peanut Shell B2B Foreign Trade Information Platform, the final settlement price on the order settlement page shall prevail.
Flash sale price: The promotional price of a product participating in marketing activities may also vary depending on the purchase quantity or selected specifications, and the final price will be based on the order settlement page price.
Flash sale price: The promotional price of a product participating in marketing activities may also vary depending on the purchase quantity or selected specifications, and the final price will be based on the order settlement page price.
