Title
UKV kol'tsevaya antenna dlya mobil'noy svyazi: Eksperimental'noe i teoreticheskoe issledovanie nizkoprofil'noy kol'tsevoy antenn,Used
Delivery time: 8-12 business days (International)
Privedennye v knige materialy soderzhat rezul'taty teoreticheskogo i empiricheskogo issledovaniya svoystv malovystupayushchikh antenn kol'tsevogo tipa dlya mobil'noy (podvizhnoy) svyazi na UKV. Issledovanie osnovnykh parametrov zamknutoy kol'tsevoy antenny pozvolilo sdelat' vyvod o vozmozhnosti razrabotki na ee osnove malovystupayushchey antenny dlya mobil'nykh ob"ektov. V khode issledovaniya i proektirovaniya kol'tsevykh antenn byli razrabotany konstruktsii, imeyushchie kharakteristiki sopostavimye s kharakteristikami ispol'zuemogo v podvizhnoy svyazi na UKV shtyrya dlinoy 4 metra. Predlozhennye kol'tsevye antenny imeyut maluyu vysotu podvesa, sokhranyayut krugovuyu diagrammu napravlennosti i mogut byt' primeneny v shirokom diapazone chastot. Takim obrazom, eksperimental'no pokazano, chto kol'tsevye antenny mogut byt' ispol'zovany v kachestve zameshcheniya ustarevshey, i ne obespechivayushchey stabil'nykh parametrov v dvizhenii shtyrevoy antenny.
By changing our most important processes and
products, we have already made a big leap forward. This ranges from the
increased use of more sustainable fibers to the use of more
environmentally friendly printing processes to the development of
efficient waste management in our value chain.
Shipping & Returns
Shipping
We ship your order within 2–3 business days for USA deliveries and 5–8 business days for international shipments. Once your package has been dispatched from our warehouse, you'll receive an email confirmation with a tracking number, allowing you to track the status of your delivery.
Returns
To facilitate a smooth return process, a Return Authorization (RA) Number is required for all returns. Returns without a valid RA number will be declined and may incur additional fees. You can request an RA number within 15 days of the original delivery date. For more details, please refer to our Return & Refund Policy page.
Shipping & Returns
Shipping
We ship your order within 2–3 business days for USA deliveries and 5–8 business days for international shipments. Once your package has been dispatched from our warehouse, you'll receive an email confirmation with a tracking number, allowing you to track the status of your delivery.
Returns
To facilitate a smooth return process, a Return Authorization (RA) Number is required for all returns. Returns without a valid RA number will be declined and may incur additional fees. You can request an RA number within 15 days of the original delivery date. For more details, please refer to our Return & Refund Policy page.
Warranty
We provide a 2-year limited warranty, from the date of purchase for all our products.
If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
Warranty
We provide a 2-year limited warranty, from the date of purchase for all our products.
If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
Secure Payment
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
We accept payments with :
Visa, MasterCard, American Express, Paypal, Shopify Payments, Shop Pay and more.
Secure Payment
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
We accept payments with :
Visa, MasterCard, American Express, Paypal, Shopify Payments, Shop Pay and more.