A r c i r) , evaluated just before the injection pulse unless otherwise specified. Full-pixel value of u. The value of u during (immediately after) the injection pulse. The value of u at first (second) sample. Uniform-in-space, constant-in-time irra-Voltage to which column-gate is reset, re-Injection voltage (ordinarily 0.5 V). Analogous to VQa, but with Nbc and Nbr. Row-gate voltage, referred to flat-band diation. ferred to flat-band voltage.