PROBLEM TO BE SOLVED: To provide a high-efficiency and low-cost transmission circuit by eliminating the need for a coupling capacitor between a transmitter and a transducer.SOLUTION: A method includes: configuring a transmitter to provide at least three transmission output pulses used to form a transmission output signal; and adjusting a duration of at least one transmission output pulse of the transmission output pulses to control an average value of the transmission output signal independently of the amplitude of a first harmonic of the transmission output signal.SELECTED DRAWING: Figure 2
【課題】送信器とトランスジューサ間の結合コンデンサを不要とすることにより、高効率で低コストの送信回路を提供する。【解決手段】送信出力信号を形成するために使用される少なくとも3つの送信出力パルスを提供するように送信部を設定し、送信出力パルスのうち少なくとも1つの送信出力パルスの持続時間を調整して、送信出力信号の第1高調波の振幅から独立して送信出力信号の平均値を制御する工程を含むように構成した。【選択図】図2
CONTROLLING OUTPUT SIGNAL INDEPENDENTLY OF FIRST HARMONIC
第1高調波から独立した出力信号の制御
2017-06-29
Patent
Electronic Resource
Japanese
IPC: | G01S RADIO DIRECTION-FINDING , Funkpeilung / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion |
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